urlscan.io logo urlscan.io
SecurityTrails logo

www.nctm.org Open in urlscan Pro
2606:4700:3108::ac42:2b47  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://mathforum.org/kb/message.jspa?messageID=6837697
Effective URL: https://www.nctm.org/classroomresources/?messageID=6837697
Submission: On May 22 via manual from UA — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 33 IPs in 4 countries across 22 domains to perform 132 HTTP transactions. The main IP is 2606:4700:3108::ac42:2b47, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.nctm.org. The Cisco Umbrella rank of the primary domain is 267434.
TLS certificate: Issued by GTS CA 1P5 on March 26th 2023. Valid for: 3 months.
This is the only time www.nctm.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 96.45.82.41 16552 (TIGGEE)
2 64 2606:4700:310... 13335 (CLOUDFLAR...)
2 2400:52e0:1e0... 200325 (BUNNYCDN)
2 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2a00:1450:400... 15169 (GOOGLE)
3 2a06:98c1:312... 13335 (CLOUDFLAR...)
4 2a00:1450:400... 15169 (GOOGLE)
2 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2606:4700:20:... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
4 2a03:2880:f08... 32934 (FACEBOOK)
2 2001:4860:480... 15169 (GOOGLE)
1 2606:4700:303... 13335 (CLOUDFLAR...)
1 7 2600:9000:26d... 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a02:26f0:780... 20940 (AKAMAI-ASN1)
1 2a00:1450:400... 15169 (GOOGLE)
1 18.244.102.81 16509 (AMAZON-02)
5 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
4 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
5 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a05:d018:cc3... 16509 (AMAZON-02)
6 2a00:1450:400... 15169 (GOOGLE)
4 2a03:2880:f17... 32934 (FACEBOOK)
1 2600:9000:243... 16509 (AMAZON-02)
4 4 2620:1ec:21::14 8068 (MICROSOFT...)
1 13.107.42.14 8068 (MICROSOFT...)
132 33
1    96.45.82.41 (United States)

ASN16552 (TIGGEE, US)
PTR: redirection.dnsmadeeasy.com
mathforum.org
64    2606:4700:3108::ac42:2b47 (United States)

ASN13335 (CLOUDFLARENET, US)
www.nctm.org
2    2400:52e0:1e00::1080:1 (Germany)

ASN200325 (BUNNYCDN, SI)
fonts.bunny.net
2    2606:4700::6811:190e (United States)

ASN13335 (CLOUDFLARENET, US)
cdnjs.cloudflare.com
1    2606:4700::6810:3865 (United States)

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
1    2606:4700:20::ac43:4adc (United States)

ASN13335 (CLOUDFLARENET, US)
loader.wisepops.com
1    2a00:1450:4001:80e::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
ajax.googleapis.com
3    2a06:98c1:3120::3 (United States)

ASN13335 (CLOUDFLARENET, US)
webstats.nctm.app
4    2a00:1450:4001:80e::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
2    2606:4700:20::681a:a13 (United States)

ASN13335 (CLOUDFLARENET, US)
activity.wisepops.com
1    2606:4700:20::681a:b13 (United States)

ASN13335 (CLOUDFLARENET, US)
popup.wisepops.com
2    2a00:1450:4001:813::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagservices.com
4    2a03:2880:f083:100:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
connect.facebook.net
2    2001:4860:4802:32::178 (United States)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2606:4700:3037::6815:52a3 (United States)

ASN13335 (CLOUDFLARENET, US)
cdn.feathr.co
7    2600:9000:26df:6000:6:9280:1080:93a1 (United States)

ASN16509 (AMAZON-02, US)
s.adroll.com
1    2a00:1450:4001:808::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
googleads.g.doubleclick.net
1    2a02:26f0:780::5f65:3669 (Frankfurt am Main, Germany)

ASN20940 (AKAMAI-ASN1, NL)
snap.licdn.com
1    2a00:1450:400c:c00::9c (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    18.244.102.81 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-244-102-81.waw51.r.cloudfront.net
marco.feathr.co
5    2a00:1450:4001:82f::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
securepubads.g.doubleclick.net
1    2001:4860:4802:34::36 (United States)

ASN15169 (GOOGLE, US)
region1.google-analytics.com
4    2a00:1450:4001:831::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
2    2a00:1450:4001:829::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
1    2a00:1450:4001:806::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
adservice.google.de
1    2a00:1450:4001:82b::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
adservice.google.com
5    2a00:1450:4001:809::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
pagead2.googlesyndication.com
1    2a00:1450:4001:831::2001 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
beb6638c454dd5728a46cd36aa946d87.safeframe.googlesyndication.com
1    2a05:d018:cc3:fe04:6c4f:e54d:3d48:b256 (Dublin, Ireland)

ASN16509 (AMAZON-02, US)
d.adroll.com
6    2a00:1450:4001:82b::2001 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
tpc.googlesyndication.com
4    2a03:2880:f176:181:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
www.facebook.com
1    2600:9000:2436:800:2:53b2:240:93a1 (United States)

ASN16509 (AMAZON-02, US)
cdn.linkedin.oribi.io
4    2620:1ec:21::14 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
px.ads.linkedin.com
www.linkedin.com
1    13.107.42.14 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
px4.ads.linkedin.com
Apex Domain
Subdomains		 Transfer
64 nctm.org
www.nctm.org — Cisco Umbrella Rank: 267434
433 KB
12 googlesyndication.com
pagead2.googlesyndication.com — Cisco Umbrella Rank: 93
beb6638c454dd5728a46cd36aa946d87.safeframe.googlesyndication.com
tpc.googlesyndication.com — Cisco Umbrella Rank: 132
80 KB
8 adroll.com
s.adroll.com — Cisco Umbrella Rank: 2404
d.adroll.com — Cisco Umbrella Rank: 1170
84 KB
7 doubleclick.net
googleads.g.doubleclick.net — Cisco Umbrella Rank: 34
stats.g.doubleclick.net — Cisco Umbrella Rank: 76
securepubads.g.doubleclick.net — Cisco Umbrella Rank: 184
159 KB
5 linkedin.com
px.ads.linkedin.com — Cisco Umbrella Rank: 339
www.linkedin.com — Cisco Umbrella Rank: 603
px4.ads.linkedin.com — Cisco Umbrella Rank: 6328
4 KB
5 google.com
www.google.com — Cisco Umbrella Rank: 2
adservice.google.com — Cisco Umbrella Rank: 68
2 KB
4 facebook.com
www.facebook.com — Cisco Umbrella Rank: 102
249 B
4 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 157
270 KB
4 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 40
271 KB
4 wisepops.com
loader.wisepops.com — Cisco Umbrella Rank: 12334
activity.wisepops.com — Cisco Umbrella Rank: 14215
popup.wisepops.com — Cisco Umbrella Rank: 14201
25 KB
3 google.de
www.google.de — Cisco Umbrella Rank: 6080
adservice.google.de — Cisco Umbrella Rank: 9037
1 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 30
region1.google-analytics.com — Cisco Umbrella Rank: 2230
21 KB
3 nctm.app
webstats.nctm.app — Cisco Umbrella Rank: 351866
3 KB
2 feathr.co
cdn.feathr.co — Cisco Umbrella Rank: 17707
polo.feathr.co Failed
marco.feathr.co — Cisco Umbrella Rank: 14100
54 KB
2 googletagservices.com
www.googletagservices.com — Cisco Umbrella Rank: 181
78 KB
2 cloudflare.com
cdnjs.cloudflare.com — Cisco Umbrella Rank: 199
8 KB
2 bunny.net
fonts.bunny.net — Cisco Umbrella Rank: 12514
18 KB
1 oribi.io
cdn.linkedin.oribi.io — Cisco Umbrella Rank: 825
379 B
1 licdn.com
snap.licdn.com — Cisco Umbrella Rank: 725
5 KB
1 googleapis.com
ajax.googleapis.com — Cisco Umbrella Rank: 320
33 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 875
7 KB
1 mathforum.org
mathforum.org
211 B
132 22
Domain Requested by
64 www.nctm.org 2 redirects www.nctm.org
static.cloudflareinsights.com
7 s.adroll.com 1 redirects www.googletagmanager.com
s.adroll.com
6 tpc.googlesyndication.com securepubads.g.doubleclick.net
tpc.googlesyndication.com
5 pagead2.googlesyndication.com securepubads.g.doubleclick.net
tpc.googlesyndication.com
www.googletagservices.com
5 securepubads.g.doubleclick.net www.googletagservices.com
securepubads.g.doubleclick.net
www.nctm.org
4 www.facebook.com
4 www.google.com securepubads.g.doubleclick.net
tpc.googlesyndication.com
4 connect.facebook.net www.nctm.org
connect.facebook.net
www.googletagmanager.com
4 www.googletagmanager.com www.nctm.org
www.googletagmanager.com
3 px.ads.linkedin.com 3 redirects
3 webstats.nctm.app www.nctm.org
webstats.nctm.app
2 www.google.de
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 www.googletagservices.com www.nctm.org
securepubads.g.doubleclick.net
2 activity.wisepops.com loader.wisepops.com
2 cdnjs.cloudflare.com www.nctm.org
2 fonts.bunny.net www.nctm.org
fonts.bunny.net
1 px4.ads.linkedin.com
1 www.linkedin.com 1 redirects
1 cdn.linkedin.oribi.io snap.licdn.com
1 d.adroll.com s.adroll.com
1 beb6638c454dd5728a46cd36aa946d87.safeframe.googlesyndication.com securepubads.g.doubleclick.net
1 adservice.google.com securepubads.g.doubleclick.net
1 adservice.google.de securepubads.g.doubleclick.net
1 region1.google-analytics.com www.googletagmanager.com
1 marco.feathr.co
1 stats.g.doubleclick.net www.google-analytics.com
1 snap.licdn.com www.googletagmanager.com
1 googleads.g.doubleclick.net www.googletagmanager.com
1 cdn.feathr.co www.nctm.org
1 popup.wisepops.com loader.wisepops.com
1 ajax.googleapis.com www.nctm.org
1 loader.wisepops.com www.nctm.org
1 static.cloudflareinsights.com www.nctm.org
1 mathforum.org 1 redirects
0 polo.feathr.co Failed cdn.feathr.co
132 36
Subject Issuer Validity Valid
*.nctm.org
GTS CA 1P5		 2023-03-26 -
2023-06-24		 3 months crt.sh
fonts.bunny.net
R3		 2023-04-23 -
2023-07-22		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2022-08-03 -
2023-08-02		 a year crt.sh
upload.video.google.com
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
*.nctm.app
GTS CA 1P5		 2023-03-25 -
2023-06-23		 3 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2023-03-01 -
2023-05-30		 3 months crt.sh
feathr.co
GTS CA 1P5		 2023-04-18 -
2023-07-17		 3 months crt.sh
s.adroll.com
Amazon RSA 2048 M02		 2023-02-24 -
2023-08-01		 5 months crt.sh
snap.licdn.com
DigiCert SHA2 Secure Server CA		 2023-02-01 -
2024-01-31		 a year crt.sh
marco.feathr.co
Amazon RSA 2048 M02		 2023-02-28 -
2023-09-20		 7 months crt.sh
www.google.com
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
www.google.de
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
*.google.de
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
*.google.com
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
d.adroll.com
Amazon RSA 2048 M01		 2022-11-08 -
2023-12-07		 a year crt.sh
tpc.googlesyndication.com
GTS CA 1C3		 2023-04-24 -
2023-07-17		 3 months crt.sh
linkedin.oribi.io
Amazon RSA 2048 M01		 2023-02-24 -
2023-08-06		 5 months crt.sh

This page contains 6 frames:

Primary Page: https://www.nctm.org/classroomresources/?messageID=6837697
Frame ID: 37ECB017D9D87C0E9C71D6E686F1280E
Requests: 110 HTTP requests in this frame

Frame: https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
Frame ID: 59A9E700AE55DDFD0D1788676580C2DD
Requests: 6 HTTP requests in this frame

Frame: https://beb6638c454dd5728a46cd36aa946d87.safeframe.googlesyndication.com/safeframe/1-0-40/html/container.html
Frame ID: ACFA8BDE89CE5ADCE54164D48DE54DB2
Requests: 1 HTTP requests in this frame

Frame: https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjstXpx5KMlngaPqKQ-SiENDnWLIvRucDCAYXirqXnicgoTnNhl-XEkqWSnCg0pRCgroCKIqCrMflTffLO3aXzmP9CT5DjEBstEfw3OmnKN4WtZU4yh-FLQVsG90vJmMeO9BWdB2j58Lb_KzjbKwhFfDBIcwUMRuGt52rETv5AuzYtY33fvBiwTInxKa3GyqgJkpVOs_n-vLH8N0AP-k0UPxYaPkN9QHEoLRtnaIxbKRe_JjcvEZu98jzzsQW-VvjNfadstKPTPkpGoHQriT3DDefmJVV8l-Vn_aoOvvgLappSz1BwuD5KTyaTwUPZ4OgOxwz3HTS5cAprg&sai=AMfl-YQLjCM_8GQlJhcYMmJVdklO6JBW2aMYzO9Kvj0pVlfSZtFCIFP21vxwUqZzQTFeSyV6W45UnSMsjBul7bgvc-UJAO2KM7zZy2VlVauVufjFb6Z5hI_5ciX-VvcScO0&sig=Cg0ArKJSzO5t2zMpSEGDEAE&uach_m=[UACH]&adurl=
Frame ID: 349D61ABD866D4A1042C397B79E235EB
Requests: 9 HTTP requests in this frame

Frame: https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
Frame ID: D914E59B01822499AE5FBDACD34E5604
Requests: 3 HTTP requests in this frame

Frame: https://www.google.com/recaptcha/api2/aframe
Frame ID: 5418DCBA255F3BCFC24CA1F7D6D867D6
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Classroom Resources - National Council of Teachers of Mathematics

Page URL History Show full URLs

  1. http://mathforum.org/kb/message.jspa?messageID=6837697 HTTP 301
    https://www.nctm.org/classroomresources/?messageID=6837697 Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • (?:a|s)\.adroll\.com
Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • googletagservices\.com/tag/js/gpt(?:_mobile)?\.js
Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js
Overall confidence: 100%
Detected patterns
  • googlesyndication\.com/
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/ns\.html[^>]+></iframe>
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • snap\.licdn\.com/li\.lms-analytics/insight\.min\.js
Overall confidence: 100%
Detected patterns
  • cookieconsent\.min\.js
Overall confidence: 100%
Detected patterns
  • /([\d.]+)/jquery(?:\.min)?\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

132
Requests

96 %
HTTPS

91 %
IPv6

22
Domains

36
Subdomains

33
IPs

4
Countries

1552 kB
Transfer

4915 kB
Size

26
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. http://mathforum.org/kb/message.jspa?messageID=6837697 HTTP 301
    https://www.nctm.org/classroomresources/?messageID=6837697 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 63
  • https://www.nctm.org/cdn-cgi/challenge-platform/scripts/invisible.js HTTP 302
  • https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
Request Chain 75
  • https://www.nctm.org/cdn-cgi/challenge-platform/scripts/invisible.js HTTP 302
  • https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
Request Chain 96
  • https://s.adroll.com/j/pre/GCAHXHQCXJGTBADA6MJJUN/H5DOFPERJJEF5HGJEIEKV7/fpconsent.js HTTP 302
  • https://s.adroll.com/j/pre/index.js
Request Chain 125
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2 HTTP 302
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true HTTP 302
  • https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D4710762%26time%3D1684771386776%26url%3Dhttps%253A%252F%252Fwww.nctm.org%252Fclassroomresources%252F%253FmessageID%253D6837697%26tm%3Dgtmv2%26cookiesTest%3Dtrue%26liSync%3Dtrue HTTP 302
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true&liSync=true HTTP 302
  • https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true&liSync=true&e_ipv6=AQIbTaDm9VFRCgAAAYhEMzcm7m3ZbuaSDiYrKUQ5RZ8GBgwvZDtTHm3gdJmS0GWBiTjSJo4

132 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
www.nctm.org/classroomresources/
Redirect Chain
  • http://mathforum.org/kb/message.jspa?messageID=6837697
  • https://www.nctm.org/classroomresources/?messageID=6837697
139 KB
30 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6eead05b14e87058e273c8eed1a7e3ca2c5604361f4f5de9f43b1d04ea674672
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cache-control
private
cf-cache-status
DYNAMIC
cf-ray
7cb64985e8db91f3-FRA
content-encoding
br
content-type
text/html; charset=utf-8
date
Mon, 22 May 2023 16:03:05 GMT
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
strict-transport-security
max-age=15552000; includeSubDomains; preload
vary
Accept-Encoding
x-content-type-options
nosniff

Redirect headers

Connection
close
Content-Length
0
Date
Mon, 22 May 2023 16:03:05 GMT
Location
https://www.nctm.org/classroomresources/?messageID=6837697
Server
DNSME HTTP Redirection
ektron.stylesheet.ashx
www.nctm.org/WorkArea/FrameworkUI/css/ 		64 KB
10 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/WorkArea/FrameworkUI/css/ektron.stylesheet.ashx?id=-1759591071+-300771134+1985268503
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
02fed633e721ea35b06dfec22926438e21492836a028d743987531999f05fc22
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
br
age
25278
cf-polished
origSize=65835
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cf-bgj
minify
last-modified
Fri, 19 May 2023 23:54:05 GMT
server
cloudflare
vary
Accept-Encoding
content-type
text/css; charset=utf-8
cache-control
public, max-age=31536000
cf-ray
7cb649885b0591f3-FRA
expires
Tue, 21 May 2024 09:01:46 GMT
css
fonts.bunny.net/ 		6 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.bunny.net/css?family=Open+Sans+Condensed:300,700
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2400:52e0:1e00::1080:1 , Germany, ASN200325 (BUNNYCDN, SI),
Reverse DNS
Software
BunnyCDN-DE1-1080 /
Resource Hash
c1cb537e2d188e49f92600c7593c4860ec5d4d2830f6a4c3e0ecaf50f92601f7

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
content-encoding
br
cdn-edgestorageid
1075
x-do-app-origin
1fb91846-e6b7-11ec-b1dc-0c42a19a82a7
x-do-orig-status
200
cdn-cachedat
05/09/2023 20:58:09
cdn-pullzone
781720
last-modified
Tue, 09 May 2023 20:58:09 GMT
server
BunnyCDN-DE1-1080
cdn-proxyver
1.03
cdn-requestpullcode
200
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
3a60ca70-b89d-4cd5-a4b5-34a3468d7e0f
access-control-expose-headers
Server, x-goog-meta-frames, Content-Length, Content-Type, Range, X-Requested-With, If-Modified-Since, If-None-Match
cache-control
public, max-age=2592000
cdn-requestid
edf5c21296f95684e153f8cd28af101b
cdn-requestcountrycode
DE
access-control-allow-headers
Server, x-goog-meta-frames, Content-Length, Content-Type, Range, X-Requested-With, If-Modified-Since, If-None-Match
cdn-status
200
cdn-requestpullsuccess
True
bootstrap.min.css
www.nctm.org/assets/css/ 		98 KB
17 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/css/bootstrap.min.css
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1670e17130846f1201beb64d6f657dc68b8a59094b59a9f2b96b34666ed89ed2
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
age
86266
vary
Accept-Encoding
content-type
text/css
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649885b0691f3-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
jquery.fancybox.css
www.nctm.org/assets/css/ 		4 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/css/jquery.fancybox.css
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a3b322c814e989775c30326b3aa037bb578a95cdb8ca6bc5d6fbbdaabf7c14f4
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
age
86266
cf-polished
origSize=4973
vary
Accept-Encoding
content-type
text/css
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649885b0791f3-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
nctm-main.css
www.nctm.org/assets/css/ 		70 KB
13 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/css/nctm-main.css
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5c9d36e679dbeabe565329ad02f7f2cdfec75bab45f260b1c80a4d441ed59e61
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Thu, 11 May 2023 21:36:34 GMT
server
cloudflare
age
86266
cf-polished
origSize=95826
vary
Accept-Encoding
content-type
text/css
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649885b0991f3-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
sidemenu2.css
www.nctm.org/assets/css/ 		5 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/css/sidemenu2.css
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c7673501de478e7a7cd22aabfb7c3c0927d5774b8c2e0842bdbcefea16106834
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Tue, 23 Jun 2020 10:31:33 GMT
server
cloudflare
age
21150
cf-polished
origSize=7875
vary
Accept-Encoding
content-type
text/css
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649885b0a91f3-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cookieconsent.min.css
cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.1/ 		5 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.1/cookieconsent.min.css
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:190e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cd0d0b6e50ff01ff2f3a9a70d7cfb66a7c6cb9acf7a566325568be6d3bd31fc4
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
5166709
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
1055
last-modified
Mon, 04 May 2020 16:09:17 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03e2d-135e"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ErEwvawNlocn37C5s5oR9vsptQtpzNgzEBhRpP5kgaSNsh7BQYEAt2cXBdsekWg4gQpM8i9kefhaaBZnF9e5WBb2Cs03PsqxELX%2FRGcm4z3WRfQhcnKt%2FDGamc5I4Olrgu%2BTvNWbh7X0OUpAXZBuHzof"}],"group":"cf-nel","max_age":604800}
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
7cb649887a41bbd1-FRA
expires
Sat, 11 May 2024 16:03:05 GMT
nctm-print.css
www.nctm.org/assets/css/ 		587 B
400 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/css/nctm-print.css
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7378b428e9c660bb8a7181acaacb392a8d8526af3e05ef50f9cc4b9e946cc553
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
content-encoding
br
cf-polished
origSize=725
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=2678400
cf-ray
7cb649885b0b91f3-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
NCTM_Initials_and_Name_4C_export.svg
www.nctm.org/assets/images/ui/ 		8 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/assets/images/ui/NCTM_Initials_and_Name_4C_export.svg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
07f3796f66b41c4bd2461f0242bd7234681d7daf4faf3ea7530bbb198f9ebd53
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
last-modified
Mon, 21 Dec 2020 17:44:33 GMT
server
cloudflare
age
86266
vary
Accept-Encoding
content-type
image/svg+xml
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649885b0e91f3-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
memberships.jpg
www.nctm.org/uploadedImages/Content/Ads/ 		11 KB
11 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Content/Ads/memberships.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
43a2c332fc5f3da9e130d1d339aed688c1f824e853320710dfbd2e8850b313d7
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
86266
cf-polished
origSize=11616, status=webp_bigger
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
11449
cf-bgj
imgq:100,h2pri
last-modified
Mon, 09 Feb 2015 19:12:49 GMT
server
cloudflare
vary
Accept-Encoding
content-type
image/jpeg
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649885b1291f3-FRA
classroom%20resources%20cr11.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr11.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
423e6171f6ac95c3601a8750181e98456d671dea78ac3cc2348eafaa59c8f24b
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
4967
cf-polished
origFmt=jpeg, origSize=21885
content-disposition
inline; filename="classroom%20resources%20cr11.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2378
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:16 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b1491f3-FRA
Illuminations_logo_52.png
www.nctm.org/uploadedImages/Classroom_Resources/Landing_Page/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/Landing_Page/Illuminations_logo_52.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
288dd6980e4662d7c2c5a68901e01273b42ef18042e4981d6dc25de313922625
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
4967
cf-polished
origFmt=png, origSize=7779
content-disposition
inline; filename="Illuminations_logo_52.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2824
cf-bgj
imgq:100,h2pri
last-modified
Tue, 10 Aug 2021 20:06:05 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b1791f3-FRA
classroom%20resources%20cr1.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr1.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
83b3ecf726be95bbc6e36538fdbfcd09c0e7ba22572405990d997506da25681c
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
4967
cf-polished
origFmt=jpeg, origSize=20641
content-disposition
inline; filename="classroom%20resources%20cr1.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2288
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:16 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b1991f3-FRA
Math_Sightings.png
www.nctm.org/uploadedImages/Classroom_Resources/Landing_Page/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/Landing_Page/Math_Sightings.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5f8045c7a09e7287217428ea45d0030dee3bec0aa6d2e3234a465b43388b5b84
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
4966
cf-polished
origFmt=png, origSize=8679
content-disposition
inline; filename="Math_Sightings.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
3220
cf-bgj
imgq:100,h2pri
last-modified
Wed, 11 Aug 2021 15:45:27 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b1a91f3-FRA
classroom%20resources%20cr3.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr3.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a4db4e3c44192ed145a68a6e6e712024d729e1aa7d7b88cc33b1f15fa821a213
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
4966
cf-polished
origFmt=jpeg, origSize=22327
content-disposition
inline; filename="classroom%20resources%20cr3.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2368
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:17 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b1b91f3-FRA
NW_fresh_sticker_s.png
www.nctm.org/uploadedImages/Classroom_Resources/Features/Notice_and_Wonder/ 		10 KB
11 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/Features/Notice_and_Wonder/NW_fresh_sticker_s.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fea79098ae76e06cf064a310607545b24a7496fc062e3f6b80c05df30ff916ba
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
4966
cf-polished
origFmt=png, origSize=13647
content-disposition
inline; filename="NW_fresh_sticker_s.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
10600
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:02:21 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b1d91f3-FRA
classroom%20resources%20cr5.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr5.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0d587d6bd842a25e258aeaab79812ac1504224624a5d8e71b0bd8771e663b9e6
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8691
cf-polished
origFmt=jpeg, origSize=21539
content-disposition
inline; filename="classroom%20resources%20cr5.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2206
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:17 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b1f91f3-FRA
classroom%20resources%20cr6.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr6.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
18015163f6b7a4965e7d9725a6751056c02df83aba9928df1b7a4a41bd780223
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8689
cf-polished
origFmt=jpeg, origSize=21295
content-disposition
inline; filename="classroom%20resources%20cr6.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2300
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:17 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2091f3-FRA
studentExplorations.png
www.nctm.org/uploadedImages/Site_Examples/ 		9 KB
9 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Site_Examples/studentExplorations.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7f89ac39aa864dbdd677b07e8c4edda80ecd2e0f2ef6e2ea5b476818946ff0b3
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8689
cf-polished
origFmt=png, origSize=22424
content-disposition
inline; filename="studentExplorations.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
9132
cf-bgj
imgq:100,h2pri
last-modified
Mon, 31 Jul 2017 15:21:59 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2191f3-FRA
classroom%20resources%20cr7.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr7.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
89c945bb4b61b7b09534dfe9d730d3b418c9e8f045aea3f54c742b1fb65de522
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8689
cf-polished
origFmt=jpeg, origSize=21688
content-disposition
inline; filename="classroom%20resources%20cr7.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2330
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:17 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2391f3-FRA
figure_this_tag.gif
www.nctm.org/uploadedImages/Classroom_Resources/ 		1 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/figure_this_tag.gif
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8b450798969dfc94a8b3933230f4d83a742a3982a0f68f2165464ed9e3401a70
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8685
cf-polished
origFmt=gif, origSize=2005
content-disposition
inline; filename="figure_this_tag.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
1514
cf-bgj
imgq:100,h2pri
last-modified
Fri, 17 Feb 2017 20:25:32 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2491f3-FRA
classroom%20resources%20cr9.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr9.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
558525361aee0ea03a5a0a9b2d9532655d66742d61eff9b1e73a2ad37e30cc0b
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8685
cf-polished
origFmt=jpeg, origSize=21150
content-disposition
inline; filename="classroom%20resources%20cr9.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2256
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:16 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2591f3-FRA
classroom%20resources%20cr8.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		4 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr8.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8940a14f386343ba2c9920749fe9aa5e495a24205e1b148f8ebebb72df5ba83d
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8684
cf-polished
origFmt=jpeg, origSize=21421
content-disposition
inline; filename="classroom%20resources%20cr8.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
4436
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:16 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2891f3-FRA
classroomresourcesarc.png
www.nctm.org/uploadedImages/Classroom_Resources/Landing_Page/ 		9 KB
9 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/Landing_Page/classroomresourcesarc.png?n=1008
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b54be6210d4a1ca55e1f6b0b63b8a8c8a56ae1f8d1aa061e708f5fe4342aded7
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8684
cf-polished
origFmt=png, origSize=10759
content-disposition
inline; filename="classroomresourcesarc.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
9074
cf-bgj
imgq:100,h2pri
last-modified
Tue, 10 Aug 2021 17:36:15 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2b91f3-FRA
am23_NCTM_Ad_300x150.jpg
www.nctm.org/uploadedImages/Content/Ads/ 		19 KB
19 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Content/Ads/am23_NCTM_Ad_300x150.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
669eef977a4378333fb8dcfde1828ffc672714f0fe7acd6751758c227dc83325
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
24497
cf-polished
origSize=24030, status=webp_bigger
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
19094
cf-bgj
imgq:100,h2pri
last-modified
Mon, 17 Apr 2023 18:46:47 GMT
server
cloudflare
vary
Accept-Encoding
content-type
image/jpeg
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2d91f3-FRA
classroom%20resources%20cr14.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr14.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6c09850d82025d0c90735f8bda6c94b645ff315bc82ddd07d4370aea067e897f
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8690
cf-polished
origFmt=jpeg, origSize=21453
content-disposition
inline; filename="classroom%20resources%20cr14.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2354
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:16 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2e91f3-FRA
classroom%20resources%20cr2.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr2.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
05b419710e4f97462c805efdac0eb1b563a6dba0c331f464d8d76924443d526a
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
8680
cf-polished
origFmt=jpeg, origSize=22296
content-disposition
inline; filename="classroom%20resources%20cr2.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2348
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:17 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b2f91f3-FRA
classroom%20resources%20cr12.jpg
www.nctm.org/uploadedImages/Classroom_Resources/ 		2 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/uploadedImages/Classroom_Resources/classroom%20resources%20cr12.jpg
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
29783bc6463c6eacb6840fdc4283cf081c52abe9988fc3232448a0afbecb1362
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
4966
cf-polished
origFmt=jpeg, origSize=20834
content-security-policy-report-only
script-src 'none'; connect-src 'none'; report-uri https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=TfzElI85YasNTeNjSk_EBNatsuMe13mWzpGAfI_U2.E-1684771385-0-AUXcrv0JnXGKns-RiFWvyMZok-QgJS_nAc6orUlkKK1VKajKMwg7ixJv_JHpdvxg8ImTMJP-RYiHWsEQmQDfXyvqWc5aNpL5_QnhUltaonlflRTAT5v2OYh1R6zVk5bKD5L_IsbSsRaiHA7tcNxLh5g; report-to cf-csp-endpoint
content-disposition
inline; filename="classroom%20resources%20cr12.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2276
cf-bgj
imgq:100,h2pri
last-modified
Wed, 04 Aug 2021 20:38:16 GMT
server
cloudflare
vary
Accept
report-to
{"endpoints":[{"url":"https:\/\/csp-reporting.cloudflare.com\/cdn-cgi\/script_monitor\/report?m=TfzElI85YasNTeNjSk_EBNatsuMe13mWzpGAfI_U2.E-1684771385-0-AUXcrv0JnXGKns-RiFWvyMZok-QgJS_nAc6orUlkKK1VKajKMwg7ixJv_JHpdvxg8ImTMJP-RYiHWsEQmQDfXyvqWc5aNpL5_QnhUltaonlflRTAT5v2OYh1R6zVk5bKD5L_IsbSsRaiHA7tcNxLh5g"}],"group":"cf-csp-endpoint","max_age":86400}
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb649886b3191f3-FRA
email-decode.min.js
www.nctm.org/cdn-cgi/scripts/5c5dd728/cloudflare-static/ 		1 KB
829 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2595496fe48df6fcf9b1bc57c29a744c121eb4dd11566466bc13d2e52e6bbcc8
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Thu, 18 May 2023 12:47:19 GMT
server
cloudflare
content-encoding
gzip
etag
W/"64661e57-4d7"
vary
Accept-Encoding
x-frame-options
DENY
content-type
application/javascript
cache-control
max-age=172800, public
cf-ray
7cb649886b1691f3-FRA
expires
Wed, 24 May 2023 16:03:05 GMT
rocket-loader.min.js
www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/ 		12 KB
4 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ccf00d1923b0131a10e0c6d26f95e5dee6ebf8621a27e83c5a2f68a2e0093142
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
last-modified
Thu, 18 May 2023 12:47:19 GMT
server
cloudflare
content-encoding
gzip
etag
W/"64661e57-302c"
vary
Accept-Encoding
x-frame-options
DENY
content-type
application/javascript
cache-control
max-age=172800, public
cf-ray
7cb649886b3291f3-FRA
expires
Wed, 24 May 2023 16:03:05 GMT
v52afc6f149f6479b8c77fa569edb01181681764108816
static.cloudflareinsights.com/beacon.min.js/ 		19 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://static.cloudflareinsights.com/beacon.min.js/v52afc6f149f6479b8c77fa569edb01181681764108816
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:3865 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
13a548e040a1ec08f77911fed1d559b95e5daae0ee227e632140e003c7268e7b

Request headers

Referer
https://www.nctm.org/
Origin
https://www.nctm.org
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
content-encoding
gzip
last-modified
Mon, 17 Apr 2023 20:41:48 GMT
server
cloudflare
etag
W/2023.4.2
vary
Accept-Encoding
content-type
text/javascript;charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=86400
cross-origin-resource-policy
cross-origin
cf-ray
7cb649888f1492c5-FRA
mainWebColorStyles.css
www.nctm.org/assets/css/ 		3 KB
826 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/css/mainWebColorStyles.css
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/assets/css/nctm-main.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
697e65784b2616ad84220ec70ba8631f236186c71107251eda0e04a8903ad6ba
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/assets/css/nctm-main.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Tue, 27 Feb 2018 15:34:28 GMT
server
cloudflare
age
37312
cf-polished
origSize=3694
vary
Accept-Encoding
content-type
text/css
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649888802698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
icn-cart-empty.png
www.nctm.org/assets/images/ui/ 		148 B
459 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/assets/images/ui/icn-cart-empty.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/assets/css/nctm-main.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
abd42437f46dc75e52de7f61689a027a31f5bb4b791c5d4bf32074d77d4b6cdf
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/assets/css/nctm-main.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
cf-polished
origFmt=png, origSize=326
content-disposition
inline; filename="icn-cart-empty.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
148
cf-bgj
imgq:100,h2pri
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb6498908c0698f-FRA
nctm-logo.png
www.nctm.org/assets/images/ui/ 		2 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/assets/images/ui/nctm-logo.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/assets/css/nctm-main.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f956d8992a464f8257b722cc5756a122f6408d523e50a35109d291480399f3b9
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/assets/css/nctm-main.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
2606
cf-polished
origFmt=png, origSize=5154
content-disposition
inline; filename="nctm-logo.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
2522
cf-bgj
imgq:100,h2pri
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb6498908c2698f-FRA
613d2024-4c6d-4279-9385-85359cef6d26.jpg
www.nctm.org/assets/0/110/150887/ 		11 KB
12 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/assets/0/110/150887/613d2024-4c6d-4279-9385-85359cef6d26.jpg?n=7028
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3b3c031595d6ced955b0576aeab3dcb76008fd346752a1a62b4050567531dda6
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
cf-polished
origFmt=jpeg, origSize=44953
content-disposition
inline; filename="613d2024-4c6d-4279-9385-85359cef6d26.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
11578
cf-bgj
imgq:100,h2pri
last-modified
Tue, 10 Aug 2021 13:50:55 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb6498908c5698f-FRA
social-sprite.png
www.nctm.org/assets/images/ui/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/assets/images/ui/social-sprite.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/assets/css/nctm-main.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e4ed7aa69bf11de873edf94311bfa86e57523b81d5a7d4011e8506b50362df38
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/assets/css/nctm-main.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
cf-polished
origFmt=png, origSize=58035
content-disposition
inline; filename="social-sprite.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
1840
cf-bgj
imgq:100,h2pri
last-modified
Thu, 25 Jun 2015 16:03:31 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb6498908ca698f-FRA
bg-twitter.png
www.nctm.org/assets/images/ui/ 		591 B
871 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/assets/images/ui/bg-twitter.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/assets/css/nctm-main.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
350e470ba06464551b9e6fab0ab92e2dc5aa4fb7ab04ecfe96a0199146fd0233
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/assets/css/nctm-main.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
age
5161
cf-polished
origSize=1074, status=webp_bigger
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
591
cf-bgj
imgq:100,h2pri
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
vary
Accept-Encoding
content-type
image/png
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb6498908cb698f-FRA
nctm-logo-footer.png
www.nctm.org/assets/images/ui/ 		880 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.nctm.org/assets/images/ui/nctm-logo-footer.png
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/assets/css/nctm-main.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1afd32908587e7dce7259b9f73d9eb05dea3564052f85f3b8ebdb04331686d9d
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/assets/css/nctm-main.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
REVALIDATED
cf-polished
origFmt=png, origSize=1474
content-disposition
inline; filename="nctm-logo-footer.webp"
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
880
cf-bgj
imgq:100,h2pri
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
vary
Accept
content-type
image/webp
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb6498908cc698f-FRA
open-sans-condensed-latin-700-normal.woff2
fonts.bunny.net/open-sans-condensed/files/ 		16 KB
17 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.bunny.net/open-sans-condensed/files/open-sans-condensed-latin-700-normal.woff2
Requested by
Host: fonts.bunny.net
URL: https://fonts.bunny.net/css?family=Open+Sans+Condensed:300,700
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2400:52e0:1e00::1080:1 , Germany, ASN200325 (BUNNYCDN, SI),
Reverse DNS
Software
BunnyCDN-DE1-1080 /
Resource Hash
68116287d6b99feff98ad41fa01cdc251f12b52e253bab507ed2eaa7a363e2b5

Request headers

Referer
https://fonts.bunny.net/css?family=Open+Sans+Condensed:300,700
Origin
https://www.nctm.org
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
cdn-edgestorageid
1075
cdn-storageserver
DE-165
cdn-cachedat
03/10/2023 18:49:57
cdn-pullzone
781720
content-length
16256
last-modified
Fri, 10 Mar 2023 05:43:42 GMT
server
BunnyCDN-DE1-1080
cdn-fileserver
350
cdn-requestpullcode
200
cdn-proxyver
1.03
etag
"640ac38e-3f80"
content-type
font/woff2
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
3a60ca70-b89d-4cd5-a4b5-34a3468d7e0f
access-control-expose-headers
Server, x-goog-meta-frames, Content-Length, Content-Type, Range, X-Requested-With, If-Modified-Since, If-None-Match
cache-control
public, max-age=2592000
cdn-requestid
0af20739212ff0ec874d3580dfca7b51
accept-ranges
bytes
cdn-requestcountrycode
DE
access-control-allow-headers
Server, x-goog-meta-frames, Content-Length, Content-Type, Range, X-Requested-With, If-Modified-Since, If-None-Match
cdn-status
200
cdn-requestpullsuccess
True
glyphicons-halflings-regular.woff
www.nctm.org/assets/fonts/ 		23 KB
23 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/fonts/glyphicons-halflings-regular.woff
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/assets/css/bootstrap.min.css
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fc969dc1c6ff531abcf368089dcbaf5775133b0626ff56b52301a059fc0f9e1e
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.nctm.org/assets/css/bootstrap.min.css
Origin
https://www.nctm.org
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
age
81165
vary
Accept-Encoding
content-type
application/octet-stream
cache-control
public, max-age=2678400
accept-ranges
bytes
cf-ray
7cb6498918cf698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
23320
get-loader.js
loader.wisepops.com/ 		78 KB
24 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://loader.wisepops.com/get-loader.js?v=1&site=DPtNuFf39i
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::ac43:4adc , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
68bda788766cdaefb3d70e347dc052a14f5deca479a278c8ee7f77da56ef4bb9

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Mon, 22 May 2023 15:19:39 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
age
2606
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=rKQn7w9gZg0A27j6IsAMf6yHyW0Jebu2ITXHQd9UeSO51IuPO7ZQI3nQZmHsr6mY9mKolBIypyJ4z3Y%2B2t%2BcXGIga3oGIBtCNwYo3y6sXxkS31AfDxMckwI2HY%2BQGwa%2F2CQj6yeNzVT8lan73nX1Q2w%3D"}],"group":"cf-nel","max_age":604800}
content-type
text/javascript
x-cloud-trace-context
6c2ad5a6b2c09878713405c407072560
cache-control
private, max-age=1800
cf-ray
7cb649898b5c361f-FRA
nctm.checkout.js
www.nctm.org/assets/js/ 		525 B
447 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/nctm.checkout.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0aac4a7259e598f316cac25d7b16c0ce98a0363b3282f62a27cf7d453221f150
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
37479
cf-polished
origSize=679
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb6498938ff698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
nctm.twitter.js
www.nctm.org/assets/js/ 		727 B
534 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/nctm.twitter.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5287623466bd3114790a0bd12ed6ccde23a12e2505ae796f5e2477040b37bed1
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
78133
cf-polished
origSize=1139
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649894928698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
nctm.cart.js
www.nctm.org/assets/js/ 		116 B
362 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/nctm.cart.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9f56af3866053c613473b93e95f39407c07eaa5d633d23b1b5499181429c1e7c
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
81165
cf-polished
origSize=162
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb64989492a698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
nctm.search.js
www.nctm.org/assets/js/ 		1 KB
822 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/nctm.search.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e2238b7e5563b9907886495cc57ad1685f75359295fb45b019e54c3198ee3b40
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
19239
cf-polished
origSize=2111
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb64989492b698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
nctm.login.js
www.nctm.org/assets/js/ 		245 B
411 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/nctm.login.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
17ff13efeabad2fa654917aa43834f2999689933a7aa9e16b1fffd31d0aa57bc
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
81165
cf-polished
origSize=344
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb64989492c698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
nctm.bookmark.js
www.nctm.org/assets/js/ 		7 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/nctm.bookmark.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
dc9867fffd6d9f33b6489ab51f85377b04d5e2aec0b9848eeaf1103e4d9dae20
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
81165
cf-polished
origSize=13027
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb64989492d698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
browse-taxonomies.js
www.nctm.org/assets/js/ 		8 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/browse-taxonomies.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
df38557770739452f6cd8c2d21bb646b8723b185111a5bc0c8ca6b173c46c6f0
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Thu, 20 Jun 2019 15:12:35 GMT
server
cloudflare
age
37479
cf-polished
origSize=20252
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb64989492f698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
jquery.mobile.custom.min.js
www.nctm.org/assets/js/ 		6 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/jquery.mobile.custom.min.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fac2f089f306f6b8ee59b1b5d215047639148d4bc6da10610f62e2992ad44874
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
62910
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649894930698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
jquery.bootpag.js
www.nctm.org/assets/js/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/jquery.bootpag.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fb851ca8e2f7921addd2b9a9da80ada7ec24b4d2abe77c7e72611a13bacff8f5
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 01 Dec 2014 19:19:38 GMT
server
cloudflare
age
81580
cf-polished
origSize=4667
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649894931698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
custom-content-block.js
www.nctm.org/assets/js/ 		3 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/custom-content-block.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
55139daf5c76fec444b91323177556ee14a0ba8e3a906d766608496785a92e2c
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Wed, 07 Jan 2015 15:08:00 GMT
server
cloudflare
age
48820
cf-polished
origSize=4309
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649894932698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
jquery.stickem.js
www.nctm.org/assets/js/ 		3 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/jquery.stickem.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
043a1c2ba334773371ce68959ce69451a2aacb403eeff8634085764987bfaddb
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
age
35066
cf-polished
origSize=4558
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649894933698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
jquery.fancybox.pack.js
www.nctm.org/assets/js/ 		23 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/jquery.fancybox.pack.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cfac49bec33974b027f5e08c4a7e40a76dca5d3d855b5d260c6eb2e9bdd67e9e
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
age
37479
cf-polished
origSize=23135
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649894934698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
bootstrap.min.js
www.nctm.org/assets/js/ 		28 KB
8 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/bootstrap.min.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
898d05a17f2cfc5120ddcdba47a885c378c0b466f30f0700e502757e24b403a1
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
age
46175
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb649894935698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
jquery.min.js
ajax.googleapis.com/ajax/libs/jquery/1.11.0/ 		94 KB
33 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
b294e973896f8f874e90a8eb1a8908ac790980d034c4c4bdf0fc3d37b8abf682
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 14:32:40 GMT
content-encoding
gzip
x-content-type-options
nosniff
age
5425
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
33576
x-xss-protection
0
last-modified
Tue, 03 Mar 2020 19:15:00 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="hosted-libraries-pushers"
vary
Accept-Encoding
report-to
{"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=31536000, stale-while-revalidate=2592000
accept-ranges
bytes
timing-allow-origin
*
expires
Tue, 21 May 2024 14:32:40 GMT
ScriptResource.axd
www.nctm.org/ 		39 KB
11 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/ScriptResource.axd?d=cOjaZB5QNxrlhs21tNJMzsWWG9QSxukYuDMS1DuBw3c7uV-nggBGPqAqoNEmnTud8j2JBCaSS1Hh5u8dJFCh81iz2MbeGeTQHX5WoHuTjPYZbuExmzxLCQZPAPu12UtSsL-5QYs_9dP7b-kfR4DDP6GIx8YX6Ga-J4Bs_gaG3xuMk_YjmfZVz9HieLa9VOSZ0&t=ffffffffaa493ab8
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
398cdf1b27ef247e5bc77805f266bb441e60355463fc3d1776f41aae58b08cf1
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
referrer-policy
strict-origin-when-cross-origin
cf-cache-status
DYNAMIC
last-modified
Mon, 22 May 2023 16:03:05 GMT
x-content-type-options
nosniff
server
cloudflare
content-encoding
br
content-type
application/x-javascript
cache-control
public
cf-ray
7cb649894936698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
expires
Tue, 21 May 2024 16:03:05 GMT
ScriptResource.axd
www.nctm.org/ 		100 KB
27 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/ScriptResource.axd?d=n2U7jM3heNX1yngjTOpDyzrB9rcRmzBQDtgAevmDR-df5Hjs2mATNTQK1huWqLcoUv8nFbmH-nSISD_9Zz5AxrDeKedInGpIRFxkuHjWxclKyAGNN6A_vPTevMjJZJcXDfiHbz6K-yYUdZEcbWdorlMQvPXilRa76BnkDkWrVkI1&t=ffffffffaa493ab8
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
66b804e7a96a87c11e1dd74ea04ac2285df5ad9043f48046c3e5000114d39b1c
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
referrer-policy
strict-origin-when-cross-origin
cf-cache-status
DYNAMIC
last-modified
Mon, 22 May 2023 16:03:05 GMT
x-content-type-options
nosniff
server
cloudflare
content-encoding
br
content-type
application/x-javascript
cache-control
public
cf-ray
7cb649894938698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
expires
Tue, 21 May 2024 16:03:05 GMT
WebResource.axd
www.nctm.org/ 		23 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/WebResource.axd?d=ddTNLU3quL1ewUq6zvAwUGg_aDaHrV33nZMSCTMrgymmxNVwVxZvhOsGKhquwJxUhqHtlKlF_Qont2NJZ_QdG7k8rMdHRgABOXgTMI4wMjI1&t=637823185705833095
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
40732e9dcfa704cf615e4691bb07aecfd1cc5e063220a46e4a7ff6560c77f5db
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
referrer-policy
strict-origin-when-cross-origin
cf-cache-status
DYNAMIC
last-modified
Tue, 08 Mar 2022 11:42:50 GMT
x-content-type-options
nosniff
server
cloudflare
content-encoding
br
vary
Accept-Encoding
content-type
application/x-javascript
cache-control
public
cf-ray
7cb649894939698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
expires
Tue, 21 May 2024 16:03:05 GMT
script.js
webstats.nctm.app/ 		3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://webstats.nctm.app/script.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a06:98c1:3120::3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6f0c4d19b70f0f030832e26c03005b82c5d5148dfae83fe2dcef69170272d2ef
Security Headers
Name Value
Content-Security-Policy default-src 'self'; img-src *; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; connect-src 'self' api.umami.is; frame-ancestors 'self';
X-Frame-Options SAMEORIGIN

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-security-policy
default-src 'self'; img-src *; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; connect-src 'self' api.umami.is; frame-ancestors 'self';
content-encoding
br
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-dns-prefetch-control
on
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
last-modified
Wed, 26 Apr 2023 05:19:12 GMT
server
cloudflare
etag
W/"a5d-187bc005880"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=UTF-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=DTgKyra%2BdaXryXsMERMrSj%2F1pQYLM%2BAeGbMo11xKQdWInYy%2FTQRxCnpXL9dPPSTrvP3Q8plb8jMPw8avqNpPW9z88F82CQe1M4cUnoOQXrpEhZ9pdXuhfaUvooZW71ZvoQ00i1RYxGawfu9MoJkVcQ%3D%3D"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=0
cf-ray
7cb64989ad88925c-FRA
js
www.googletagmanager.com/gtag/ 		117 KB
46 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=UA-30056-1
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
9bdcd6f3742c339f9f82fa84c2ff413c5149bc79dc4714eaa3ec0b219cdfa8b4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
46558
x-xss-protection
0
last-modified
Mon, 22 May 2023 15:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Mon, 22 May 2023 16:03:05 GMT
cookieconsent.min.js
cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.1/ 		20 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.1/cookieconsent.min.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:190e , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e55842a856a6d829feca3c3ad736c136b6c7549e9247274f78aa296259e06e24
Security Headers
Name Value
Strict-Transport-Security max-age=15780000
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
content-encoding
br
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=15780000
age
1800758
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length
5908
last-modified
Mon, 04 May 2020 16:09:17 GMT
server
cloudflare
cf-cdnjs-via
cfworker/kv
etag
"5eb03e2d-50d5"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=cXGxyhxvgThzaNpXXFcPdPnoI5p9Chi7lT0MIVzhc3EP6%2F5Fjt6haosSUxhD1AzKWPB6a78HeBzDLDXG2B%2BilICi4sZ9u%2F3LhzdlkqONTyXPPilpXjII1NgR3EdKUFy0hsrTy%2B8cuDnXRY6F6PSTMVKX"}],"group":"cf-nel","max_age":604800}
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=30672000
accept-ranges
bytes
timing-allow-origin
*
cf-ray
7cb649894b6bbbd1-FRA
expires
Sat, 11 May 2024 16:03:05 GMT
css_browser_selector.js
www.nctm.org/assets/js/ 		1 KB
793 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/assets/js/css_browser_selector.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
32aacb45db50a6c1c47bac023d907b625e400b873b8f2baff72dbcbee4f1da35
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
cf-bgj
minify
last-modified
Mon, 11 Aug 2014 16:57:24 GMT
server
cloudflare
age
17088
cf-polished
origSize=1321
vary
Accept-Encoding
content-type
application/x-javascript
content-encoding
br
cache-control
public, max-age=2678400
cf-ray
7cb64989493a698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
ektron.javascript.ashx
www.nctm.org/WorkArea/FrameworkUI/js/ 		400 KB
110 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/WorkArea/FrameworkUI/js/ektron.javascript.ashx?id=-569449246+-1939951303+-1080527330+-1687560804+-1793043690
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/scripts/7d0fa10a/cloudflare-static/rocket-loader.min.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
aa7d675aaf93e1d96773e8ed3b96e43f32bd5212fe5f86634c00a4babf1cc9b2
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/classroomresources/?messageID=6837697
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
br
age
21149
cf-polished
origSize=410989
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cf-bgj
minify
last-modified
Sun, 21 May 2023 09:28:40 GMT
server
cloudflare
vary
Accept-Encoding
content-type
application/x-javascript; charset=utf-8
cache-control
public, max-age=31536000
cf-ray
7cb64989493b698f-FRA
expires
Tue, 21 May 2024 10:10:36 GMT
invisible.js
www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/ Frame 59A9
Redirect Chain
  • https://www.nctm.org/cdn-cgi/challenge-platform/scripts/invisible.js
  • https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
24 KB
11 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H3
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f0ce181c0b875618ab849442a72f0ecfa29344452594f8c8da0243746208544e
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
accept-encoding
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
7cb64989895c698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400

Redirect headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
server
cloudflare
vary
accept-encoding
location
/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
access-control-allow-origin
*
cache-control
max-age=300, public
cf-ray
7cb64989493c698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
pica.js
www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/ Frame 59A9 		6 KB
3 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/pica.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0854fc336a11dc8c70d4c68348fb2ed65a280fa5f83a8e0de3adf27ff46f0004
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:05 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
accept-encoding
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
7cb64989b98a698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
/
activity.wisepops.com/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://activity.wisepops.com/?v=1.4.5&site=DPtNuFf39i
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:a13 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.nctm.org
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

access-control-allow-headers
content-type
access-control-allow-methods
POST
access-control-allow-origin
*
access-control-max-age
1800
allow
GET, HEAD, POST, PUT, DELETE, OPTIONS, PATCH
cf-cache-status
DYNAMIC
cf-ray
7cb6498a180f367d-FRA
content-length
0
date
Mon, 22 May 2023 16:03:06 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6EqcMFvFQoyNBxhOv2im84Iaf0YP4gs%2BmW6PIicwSFtIcYThE6zmlq4Lci0aoPKj9HnRQbtJ54FP7TiD0dN%2FmThFnSXaC%2BloQ0NvDqs5N3l%2FR9eWDdu9n9%2Bx1mZkCg7A0pgZetxRR%2FpZ%2B%2F2ge5MNc2J%2BAQ%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Origin Access-Control-Request-Method Access-Control-Request-Headers
/
activity.wisepops.com/ 		0
270 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://activity.wisepops.com/?v=1.4.5&site=DPtNuFf39i
Requested by
Host: loader.wisepops.com
URL: https://loader.wisepops.com/get-loader.js?v=1&site=DPtNuFf39i
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:a13 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.nctm.org/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type
application/json

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Origin, Access-Control-Request-Method, Access-Control-Request-Headers
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=sy9ZTOIUoGGnGz%2B%2B5Q2N3rbzETZ3VOrHV8tiQXk6wUpPxBTawmTuwYwtqUnUUID1s2dAeKOTvuVWdzZtH7hk0BOkBoK36rITZ5OmSS3HMvwZbAWGPuD8TLxjfHMcv2rPRgEmFzGCeuvnu5Z8FmbrTP1cQQ%3D%3D"}],"group":"cf-nel","max_age":604800}
access-control-allow-origin
*
cf-ray
7cb6498ad8db367d-FRA
content-length
0
my-wisepop
popup.wisepops.com/ 		265 B
747 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://popup.wisepops.com/my-wisepop
Requested by
Host: loader.wisepops.com
URL: https://loader.wisepops.com/get-loader.js?v=1&site=DPtNuFf39i
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:b13 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a0c1a6d3d61e22655d4a80712e8d44f10cb11d2d4938b4a4c707cd819f51c63b

Request headers

Accept
application/json
Referer
https://www.nctm.org/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type
application/x-www-form-urlencoded

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
vary
Accept-Encoding
access-control-allow-methods
OPTIONS, POST, GET
content-type
application/json
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=EuLPf8McEzPTwCzJ5DkaRx%2FYHfFzvk3VeMl3y%2F5N4qkX02hgXB71YeXq6d%2F5yTRr5OFs4cl4X7go4%2FB72U0lw6P%2F8TSpijCjANBvHZsODYz%2FfMcfxQKT8TXGhfpL7mOPSvi1VPDcpi5FwS5OEQeLMQ%3D%3D"}],"group":"cf-nel","max_age":604800}
x-cloud-trace-context
437accbfc74991e0bf371895567dd70d
cache-control
no-store
cf-ray
7cb6498a1db02c4a-FRA
access-control-allow-headers
*
7cb64985e8db91f3
www.nctm.org/cdn-cgi/challenge-platform/h/g/cv/result/ Frame 59A9 		2 B
386 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/challenge-platform/h/g/cv/result/7cb64985e8db91f3
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/challenge-platform/scripts/invisible.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2689367b205c16ce32ed4200942b8b8b1e262dfc70d9bc9fbc77c49699a4f1df
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type
application/json

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
content-type
text/plain; charset=UTF-8
cf-ray
7cb6498b2ad9698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
gtm.js
www.googletagmanager.com/ 		239 KB
84 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-MWPGCX
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
34daabbdb6aec46eaacdfdc3498bec25e7e1568b80cbc3ef6ed72fe8d62f8dad
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
85955
x-xss-protection
0
last-modified
Mon, 22 May 2023 15:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Mon, 22 May 2023 16:03:06 GMT
gpt.js
www.googletagservices.com/tag/js/ 		76 KB
25 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagservices.com/tag/js/gpt.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:813::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
554b6f65885eb264a18d8fc25580c91e9380f0eb8f5c5b63bd3c280963521841
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
x-content-type-options
nosniff
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
25310
x-xss-protection
0
server
cafe
etag
800 / 19499 / m202305150101 / config-hash: 16035468145417217674
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=900, stale-while-revalidate=3600
timing-allow-origin
*
expires
Mon, 22 May 2023 16:03:06 GMT
fbevents.js
connect.facebook.net/en_US/ 		106 KB
28 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/en_US/fbevents.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f083:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
8dcee59828f1423ecefd552dd353e25bd4ac38a9557ee084604ee7c2d41d9b98
Security Headers
Name Value
Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

content-security-policy
default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
Mon, 22 May 2023 16:03:06 GMT
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
27538
x-fb-rlafr
0
x-xss-protection
0
pragma
public
x-fb-debug
bukozDtTLRxzpVPCr03byXJZ1zde4uh47Cij8y/h1ZnHX9KVuW1eisHKpi6/KfA8ZVQsrMLLnU5+6tiV+rRI/w==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
x-fb-trip-id
1679558926
cross-origin-opener-policy
same-origin-allow-popups
vary
Accept-Encoding
report-to
{"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coep_report"}
content-type
application/x-javascript; charset=utf-8
x-frame-options
DENY
cache-control
public, max-age=1200
permissions-policy
accelerometer=(), ambient-light-sensor=(), bluetooth=(), gyroscope=(), hid=(), idle-detection=(), magnetometer=(), midi=(), screen-wake-lock=(), serial=(), usb=()
expires
Sat, 01 Jan 2000 00:00:00 GMT
gtm.js
www.googletagmanager.com/ 		155 KB
57 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtm.js?id=GTM-WQWJLNP
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
1a167e83aeddab4b84883ff1fcce732f095160f52ebae545728ed8f984653a5d
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
58401
x-xss-protection
0
last-modified
Mon, 22 May 2023 15:00:00 GMT
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
access-control-allow-headers
Cache-Control
expires
Mon, 22 May 2023 16:03:06 GMT
analytics.js
www.google-analytics.com/ 		51 KB
21 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-30056-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::178 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e7b90d32907f89c49e9e2a2ccca95133277f756f13a14187936d9b948ff67b44
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Mon, 22 May 2023 15:05:00 GMT
last-modified
Mon, 17 Apr 2023 22:36:01 GMT
server
Golfe2
age
3486
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20737
expires
Mon, 22 May 2023 17:05:00 GMT
boomerang.min.js
cdn.feathr.co/js/ 		184 KB
53 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.feathr.co/js/boomerang.min.js
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3037::6815:52a3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
697026b21a15830406439d3a2c037e0d93ea3bbb93c2b8ba6267b127da342643

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
x-amz-version-id
Hn5d8VQzlHj.VzJMvSd.0Ee5mpGtpkh3
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-request-id
XJYZJK7KZY93Y239
age
758
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
x-amz-id-2
4lADp/l+OgqmJHVYJzFxrMcY2aEzpPfXQjYQCmudE4fBoBPaAKKYmH9vrgHTMHBA9qy3ySejh8k=
last-modified
Wed, 22 Mar 2023 14:19:36 GMT
server
cloudflare
etag
W/"fcc1f2c563ac3422d6c58457092a947b"
vary
Accept-Encoding
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=TL8vr7HK2FfIJUJg3KMagZFqaHYBN27sOAehbtb4srXv4spsP7Fwuhyd4Y5REOALB0B8HQloHQQIDdk1d4Pvb72woLujyvoy5eOZoomlvpmfj4qxKOBbvQagYx84dvBdlnZ2QRVpCDTLNMGo"}],"group":"cf-nel","max_age":604800}
content-type
text/javascript; charset=utf-8
cache-control
max-age=14400
cf-ray
7cb6498bba82bb85-FRA
invisible.js
www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/ Frame 59A9
Redirect Chain
  • https://www.nctm.org/cdn-cgi/challenge-platform/scripts/invisible.js
  • https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
24 KB
11 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
Protocol
H3
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ecb55a498d8f8ba6ef4a4f9894f4dff88026d72779792a3f589781f55e6a45c0
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
accept-encoding
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
7cb6498bab79698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400

Redirect headers

date
Mon, 22 May 2023 16:03:06 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
server
cloudflare
vary
accept-encoding
location
/cdn-cgi/challenge-platform/h/g/scripts/jsd/7fe8adc8/invisible.js
access-control-allow-origin
*
cache-control
max-age=300, public
cf-ray
7cb6498b8b52698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
rum
www.nctm.org/cdn-cgi/ 		0
140 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/rum?
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/v52afc6f149f6479b8c77fa569edb01181681764108816
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://www.nctm.org/classroomresources/?messageID=6837697
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
content-type
application/json

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://www.nctm.org
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
7cb6498b9b64698f-FRA
roundtrip.js
s.adroll.com/j/ 		67 KB
22 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://s.adroll.com/j/roundtrip.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-WQWJLNP
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:26df:6000:6:9280:1080:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
226c9a2c80c75e3c5d7d197c484adb7d63e6ea36270af348bc223be73e8cd059

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

X-Amz-Version-Id
7FBoqqSL1b96.AgPH.JEYo4TSgYS0kb0
Content-Encoding
gzip
Via
1.1 d9e9226e7f1bd505e314379bb60fd416.cloudfront.net (CloudFront)
Date
Mon, 22 May 2023 15:50:51 GMT
Age
740
X-Amz-Cf-Pop
WAW51-P3
X-Amz-Server-Side-Encryption
AES256
Transfer-Encoding
chunked
X-Cache
Hit from cloudfront
Connection
keep-alive
Last-Modified
Tue, 09 May 2023 21:27:29 GMT
Server
AmazonS3
Etag
W/"7866810a321f41ea101e7bcfaa572323"
Vary
Accept-Encoding
Access-Control-Max-Age
600
Content-Type
text/javascript
Access-Control-Allow-Origin
*
Access-Control-Allow-Methods
GET
Cache-Control
max-age=3600, must-revalidate
Access-Control-Allow-Credentials
false
Access-Control-Allow-Headers
*
X-Amz-Cf-Id
_3j1kKDEFKegNqHcMQwKdEjaaezJLDKheqHX70z3xUgmVa3w4xyS8Q==
183690092499024
connect.facebook.net/signals/config/ 		376 KB
108 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/signals/config/183690092499024?v=2.9.104&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f083:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
fd956033c765c279dc2f7f65adfed966d82b315ff5e10b38f117691635e36956
Security Headers
Name Value
Content-Security-Policy default-src * data: blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.google.com 127.0.0.1:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self';block-all-mixed-content;upgrade-insecure-requests;
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

content-security-policy
default-src * data: blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.google.com 127.0.0.1:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self';block-all-mixed-content;upgrade-insecure-requests;
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
Mon, 22 May 2023 16:03:06 GMT
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
x-fb-rlafr
0
x-xss-protection
0
pragma
public
x-fb-debug
s4gSAhmiDXK9v4K/MPPXAMwtBCegoF7zy1moLCjDcodS2s4dPRzjLw6L13p4CXqHnKxxgjkBXLu3+n9jRQE24w==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
x-fb-trip-id
1679558926
cross-origin-opener-policy
same-origin-allow-popups
vary
Accept-Encoding
report-to
{"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coep_report"}
content-type
application/x-javascript; charset=utf-8
x-frame-options
DENY
origin-agent-cluster
?0
cache-control
public, max-age=1200
permissions-policy
accelerometer=(), ambient-light-sensor=(), bluetooth=(), gyroscope=(), hid=(), idle-detection=(), magnetometer=(), midi=(), screen-wake-lock=(), serial=(), usb=()
expires
Sat, 01 Jan 2000 00:00:00 GMT
collect
www.google-analytics.com/j/ 		2 B
205 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j100&aip=1&a=1767479609&t=pageview&_s=1&dl=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&ul=en-us&de=UTF-8&dt=Classroom%20Resources%20-%20National%20Council%20of%20Teachers%20of%20Mathematics&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YEBAAUABAAAAACAAI~&jid=1470233426&gjid=1250131688&cid=1658534095.1684771386&tid=UA-30056-1&_gid=392311915.1684771386&_r=1&gtm=457e35h0&jsscut=1&z=1749064219
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::178 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
de3246094525b21a870fc7d2a67490d0132535c6fa5993755c549f1a9d1bd8af
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.nctm.org/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:06 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.nctm.org
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
2
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
googleads.g.doubleclick.net/pagead/viewthroughconversion/872270708/ 		3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/872270708/?random=1684771386231&cv=11&fst=1684771386231&bg=ffffff&guid=ON&async=1&gtm=45He35h0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&hn=www.googleadservices.com&frm=0&tiba=Classroom%20Resources%20-%20National%20Council%20of%20Teachers%20of%20Mathematics&auid=7758837.1684771386&uamb=0&uaw=0&rfmt=3&fmt=4
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-MWPGCX
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:808::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
1f6456474745ec9d33411ba26e3d2dccd530661fe21c0fd907d328a7296b31ec
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
text/javascript; charset=UTF-8
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cache-control
no-cache, must-revalidate
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1348
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
insight.min.js
snap.licdn.com/li.lms-analytics/ 		13 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://snap.licdn.com/li.lms-analytics/insight.min.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-MWPGCX
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:780::5f65:3669 Frankfurt am Main, Germany, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
f56ccb2db87aacedd9415232e40f80bff9939703df2f9c3f9ec8a092e545349f
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Tue, 10 Jan 2023 17:22:56 GMT
x-cdn
AKAM
vary
Accept-Encoding
content-type
application/x-javascript;charset=utf-8
cache-control
max-age=74141
accept-ranges
bytes
content-length
4777
fbevents.js
connect.facebook.net/en_US/ 		106 KB
27 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/en_US/fbevents.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-MWPGCX
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f083:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
8dcee59828f1423ecefd552dd353e25bd4ac38a9557ee084604ee7c2d41d9b98
Security Headers
Name Value
Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

content-security-policy
default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
Mon, 22 May 2023 16:03:06 GMT
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
27538
x-fb-rlafr
0
x-xss-protection
0
pragma
public
x-fb-debug
bukozDtTLRxzpVPCr03byXJZ1zde4uh47Cij8y/h1ZnHX9KVuW1eisHKpi6/KfA8ZVQsrMLLnU5+6tiV+rRI/w==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
cross-origin-opener-policy
same-origin-allow-popups
vary
Accept-Encoding
report-to
{"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coep_report"}
content-type
application/x-javascript; charset=utf-8
x-frame-options
DENY
cache-control
public, max-age=1200
permissions-policy
accelerometer=(), ambient-light-sensor=(), bluetooth=(), gyroscope=(), hid=(), idle-detection=(), magnetometer=(), midi=(), screen-wake-lock=(), serial=(), usb=()
priority
u=3,i
expires
Sat, 01 Jan 2000 00:00:00 GMT
js
www.googletagmanager.com/gtag/ 		249 KB
84 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=G-0TLCMNGVJL&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-MWPGCX
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:80e::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
f6f0095a6c13cd3184a670be30ac2d967e246e8292a8e49f040fcd83379e9eca
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
85955
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Mon, 22 May 2023 16:03:06 GMT
collect
stats.g.doubleclick.net/j/ 		4 B
347 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j100&tid=UA-30056-1&cid=1658534095.1684771386&jid=1470233426&gjid=1250131688&_gid=392311915.1684771386&_u=YEBAAUAAAAAAACAAI~&z=412727819
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c00::9c Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
84e01419bd81f32ac6df0f75f49c604fda9172000a3ae432b3c47b2a6a712d80
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.nctm.org/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
date
Mon, 22 May 2023 16:03:06 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.nctm.org
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
4
expires
Fri, 01 Jan 1990 00:00:00 GMT
integrations
polo.feathr.co/v1/accounts/5d9def21cca930f7d4d95c6e/ 		0
0
refresh
marco.feathr.co/v1/ 		43 B
607 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://marco.feathr.co/v1/refresh
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
18.244.102.81 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-18-244-102-81.waw51.r.cloudfront.net
Software
/
Resource Hash
98b3d9d20e032f90aca49e9b116225d539ff6fbdb7e42c3c363f63896ac03d2a

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
via
1.1 12d9ab2ca9ace7b78bd9fcef1f2a16de.cloudfront.net (CloudFront)
x-amz-cf-pop
WAW51-P3
x-amzn-requestid
2d3d8ee5-745c-49e3-ade9-9eb0e3ba39c3
x-amzn-trace-id
Root=1-646b923a-7cf15e4d1820ff01451c949d;Sampled=0;lineage=5eb2f403:0
access-control-allow-methods
*
content-type
image/gif
access-control-allow-origin
*
x-cache
Miss from cloudfront
x-amz-apigw-id
FVPJNF8roAMF1hQ=
content-length
43
x-amz-cf-id
Vf7Ie4DyrCCfXWW6F3_0BnNcsaOOSG-b4N3PlnAaq2xduGef1uJNNw==
access-control-allow-headers
Content-Type,X-Amz-Date,Authorization,X-Api-Key
pica.js
www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/ Frame 59A9 		6 KB
3 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/challenge-platform/h/g/scripts/pica.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8e2d0cb5c0512f3770566ca604a955e632d9ec2a8b9e9b2daecf92d4df0c9518
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
vary
accept-encoding
content-type
application/javascript; charset=UTF-8
cache-control
max-age=14400, public
cf-ray
7cb6498c3c08698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
pubads_impl.js
securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/ 		408 KB
126 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/tag/js/gpt.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
bd84d3b448dfa1f7ded33de1848cb5f06946f8d86058e9c8d183ae3dddea4ff3
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 13:58:09 GMT
content-encoding
br
x-content-type-options
nosniff
age
7497
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
128722
x-xss-protection
0
server
cafe
etag
7615930951174331818
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
public, immutable, max-age=31536000
timing-allow-origin
*
expires
Tue, 21 May 2024 13:58:09 GMT
ppub_config
securepubads.g.doubleclick.net/pagead/ 		34 B
578 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://securepubads.g.doubleclick.net/pagead/ppub_config?ippd=www.nctm.org
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/tag/js/gpt.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
29194bd73aaf002648c4e374813bf8d4c8410528c42d5935f21303332ea6d775
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
application/json; charset=UTF-8
access-control-allow-origin
*
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cache-control
private, max-age=3600, stale-while-revalidate=3600
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
36
x-xss-protection
0
expires
Mon, 22 May 2023 16:03:06 GMT
collect
region1.google-analytics.com/g/ 		0
252 B 		Ping
General
Check archive.org
Download Go to
Full URL
https://region1.google-analytics.com/g/collect?v=2&tid=G-0TLCMNGVJL&gtm=45je35h0&_p=1767479609&cid=1658534095.1684771386&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&ngs=1&_s=1&sid=1684771386&sct=1&seg=0&dl=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&dt=Classroom%20Resources%20-%20National%20Council%20of%20Teachers%20of%20Mathematics&en=page_view&_fv=1&_ss=1
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-0TLCMNGVJL&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:34::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:06 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.nctm.org
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.com/ads/ 		42 B
107 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j100&tid=UA-30056-1&cid=1658534095.1684771386&jid=1470233426&_u=YEBAAUAAAAAAACAAI~&z=1889030724
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:831::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:06 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/ 		42 B
107 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j100&tid=UA-30056-1&cid=1658534095.1684771386&jid=1470233426&_u=YEBAAUAAAAAAACAAI~&z=1889030724
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:06 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
send
webstats.nctm.app/api/ 		559 B
1 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://webstats.nctm.app/api/send
Requested by
Host: webstats.nctm.app
URL: https://webstats.nctm.app/script.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a06:98c1:3120::3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
30f41c0eee6586e7a14a7f85049a66c3a40fa5e8f922a0dcab7acca51878f37b
Security Headers
Name Value
Content-Security-Policy default-src 'self'; img-src *; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; connect-src 'self' api.umami.is; frame-ancestors 'self';
X-Frame-Options SAMEORIGIN

Request headers

Referer
https://www.nctm.org/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type
application/json

Response headers

date
Mon, 22 May 2023 16:03:07 GMT
content-security-policy
default-src 'self'; img-src *; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; connect-src 'self' api.umami.is; frame-ancestors 'self';
content-encoding
br
cf-cache-status
DYNAMIC
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server
cloudflare
etag
W/"94vo2kbtr3fj"
x-frame-options
SAMEORIGIN
vary
Accept-Encoding
content-type
text/plain
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=LO2mmrTn%2F%2BXytiXvtsYT1la6QwwAD7imum4gVLACpuQEWZS%2F3NF9LGPO%2B2hQ5FPo%2FrT3YSm9x%2BzwrJB52y6apmm9rHwVuHbkV%2BYfMJd1O3B6%2FxSNXbR0WkIsc%2BANOmi4f0XXc%2BxLUcqd7wWOj8TWQw%3D%3D"}],"group":"cf-nel","max_age":604800}
x-dns-prefetch-control
on
cf-ray
7cb649900b1892c6-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
send
webstats.nctm.app/api/ Frame 		0
0 		Preflight
General
Check archive.org
Download Go to
Full URL
https://webstats.nctm.app/api/send
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a06:98c1:3120::3 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
Security Headers
Name Value
Content-Security-Policy default-src 'self'; img-src *; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; connect-src 'self' api.umami.is; frame-ancestors 'self';
X-Frame-Options SAMEORIGIN

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
POST
Origin
https://www.nctm.org
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

access-control-allow-headers
content-type
access-control-allow-methods
GET,HEAD,PUT,PATCH,POST,DELETE
access-control-allow-origin
*
access-control-max-age
86400
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
7cb6498cb87f92c6-FRA
content-security-policy
default-src 'self'; img-src *; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; connect-src 'self' api.umami.is; frame-ancestors 'self';
date
Mon, 22 May 2023 16:03:06 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=OPUGM6GVBhzYJt0pCegsQuIUGja6QQQb8uod%2FWamCmY6H%2BQ4PJmVuKv%2BIf21vx2kqf%2FMff7P4sm6wOC8JGiZdGS6JJ1TrheW5n0cUwfL1XzmDfQ5aEJWs0JvDNz%2BEKn98DFsAcUid6PCAbmPSI%2Bfmw%3D%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
vary
Access-Control-Request-Headers
x-dns-prefetch-control
on
x-frame-options
SAMEORIGIN
index.js
s.adroll.com/j/exp/GCAHXHQCXJGTBADA6MJJUN/ 		42 B
799 B 		Script
General
Check archive.org
Download Go to
Full URL
https://s.adroll.com/j/exp/GCAHXHQCXJGTBADA6MJJUN/index.js
Requested by
Host: s.adroll.com
URL: https://s.adroll.com/j/roundtrip.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:26df:6000:6:9280:1080:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
f51a75f2ede4c5e0457f05d60bfa39290b59348a71cdae4cc701236e6f552ad9

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

X-Amz-Version-Id
Y6zGjwUda0032SPmqif7zYNXMA6Vq.Cn
Date
Mon, 22 May 2023 02:20:31 GMT
Via
1.1 d9e9226e7f1bd505e314379bb60fd416.cloudfront.net (CloudFront)
Age
49356
X-Amz-Cf-Pop
WAW51-P3
X-Amz-Server-Side-Encryption
AES256
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
42
Last-Modified
Tue, 21 Mar 2023 16:34:11 GMT
Server
AmazonS3
Etag
"2ff5e20519778d0385c77e7f6e12de10"
Vary
Accept-Encoding
Access-Control-Max-Age
600
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Access-Control-Allow-Methods
GET
Access-Control-Allow-Credentials
false
Accept-Ranges
bytes
Access-Control-Allow-Headers
*
X-Amz-Cf-Id
yflDr01R1_DbUCDGvTjBxRoOqvv1DZYeyLT2YbUB9X5-bMU6ijJumg==
index.js
s.adroll.com/j/pre/
Redirect Chain
  • https://s.adroll.com/j/pre/GCAHXHQCXJGTBADA6MJJUN/H5DOFPERJJEF5HGJEIEKV7/fpconsent.js
  • https://s.adroll.com/j/pre/index.js
0
756 B 		Script
General
Check archive.org
Download Go to
Full URL
https://s.adroll.com/j/pre/index.js
Protocol
HTTP/1.1
Server
2600:9000:26df:6000:6:9280:1080:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

X-Amz-Version-Id
nQEe8wQ7h0ROt7P4GJfDfstto6x684Hy
Date
Mon, 22 May 2023 05:43:12 GMT
Via
1.1 c96128ea5833e6a269662447a1c34cee.cloudfront.net (CloudFront)
Age
37201
X-Amz-Cf-Pop
WAW51-P3
X-Amz-Server-Side-Encryption
AES256
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
0
Last-Modified
Wed, 15 Jan 2020 23:54:18 GMT
Server
AmazonS3
Etag
"d41d8cd98f00b204e9800998ecf8427e"
Vary
Accept-Encoding
Access-Control-Max-Age
600
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Access-Control-Allow-Methods
GET
Access-Control-Allow-Credentials
false
Accept-Ranges
bytes
Access-Control-Allow-Headers
*
X-Amz-Cf-Id
6tDpXItMMVsd-8NfWqFqD18XRTksLwsm7mmO4R1aUgIJBEJubR2xSQ==

Redirect headers

Date
Mon, 22 May 2023 04:12:55 GMT
Via
1.1 d9e9226e7f1bd505e314379bb60fd416.cloudfront.net (CloudFront)
Age
42611
X-Amz-Cf-Pop
WAW51-P3
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
0
Server
AmazonS3
Access-Control-Max-Age
600
Access-Control-Allow-Methods
GET
Content-Type
application/xml
Location
https://s.adroll.com/j/pre/index.js
Access-Control-Allow-Origin
*
Access-Control-Allow-Credentials
false
Access-Control-Allow-Headers
*
X-Amz-Cf-Id
ZQdIZetCTcZIiCLd48vz-bpg4Cf-DCHL8O8CxPYQVoZlBV6_X_sESw==
index.js
s.adroll.com/j/pre/GCAHXHQCXJGTBADA6MJJUN/H5DOFPERJJEF5HGJEIEKV7/ 		4 KB
3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://s.adroll.com/j/pre/GCAHXHQCXJGTBADA6MJJUN/H5DOFPERJJEF5HGJEIEKV7/index.js
Requested by
Host: s.adroll.com
URL: https://s.adroll.com/j/roundtrip.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:26df:6000:6:9280:1080:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
0cb0a48c76b0f668105a76c39481285b24b12dadca2090687a984f7210688025

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

X-Amz-Version-Id
EK6E1WG9LVZ.RLRwhRSfpaWmPXOgahbO
Content-Encoding
gzip
Via
1.1 c96128ea5833e6a269662447a1c34cee.cloudfront.net (CloudFront)
Date
Mon, 22 May 2023 16:03:06 GMT
Age
1272
X-Amz-Cf-Pop
WAW51-P3
X-Amz-Server-Side-Encryption
AES256
Transfer-Encoding
chunked
X-Cache
Hit from cloudfront
Connection
keep-alive
Last-Modified
Tue, 09 May 2023 12:00:26 GMT
Server
AmazonS3
Etag
W/"a7bb70ece1e3f0f3879dcfca4857a770"
Vary
Accept-Encoding
Access-Control-Max-Age
600
Content-Type
text/javascript; charset=utf-8
Access-Control-Allow-Origin
*
Access-Control-Allow-Methods
GET
Cache-Control
max-age=3600, must-revalidate
Access-Control-Allow-Credentials
false
Access-Control-Allow-Headers
*
X-Amz-Cf-Id
IPkTF3SjLPC--bpNDV4YqVdl3ckxyqr0FQ8lKmm37nLM659X1mUPeg==
/
www.google.com/pagead/1p-user-list/872270708/ 		42 B
455 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/pagead/1p-user-list/872270708/?random=1684771386231&cv=11&fst=1684771200000&bg=ffffff&guid=ON&async=1&gtm=45He35h0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&frm=0&tiba=Classroom%20Resources%20-%20National%20Council%20of%20Teachers%20of%20Mathematics&fmt=3&is_vtc=1&random=657010111&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:831::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:06 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.de/pagead/1p-user-list/872270708/ 		42 B
455 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/pagead/1p-user-list/872270708/?random=1684771386231&cv=11&fst=1684771200000&bg=ffffff&guid=ON&async=1&gtm=45He35h0&u_w=1600&u_h=1200&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&frm=0&tiba=Classroom%20Resources%20-%20National%20Council%20of%20Teachers%20of%20Mathematics&fmt=3&is_vtc=1&random=657010111&rmt_tld=1&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:829::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:06 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
integrator.js
adservice.google.de/adsid/ 		107 B
531 B 		Script
General
Check archive.org
Download Go to
Full URL
https://adservice.google.de/adsid/integrator.js?domain=www.nctm.org
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:806::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
a4a1824defec1084ca81d496ee77891684c26196924bdc4fc21dd3482ce15e14
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
content-type
application/javascript; charset=UTF-8
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
cache-control
private, no-cache, no-store
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3="googleads.g.doubleclick.net:443"; ma=2592000,h3=":443"; ma=2592000,h3-29="googleads.g.doubleclick.net:443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
100
x-xss-protection
0
integrator.js
adservice.google.com/adsid/ 		107 B
456 B 		Script
General
Check archive.org
Download Go to
Full URL
https://adservice.google.com/adsid/integrator.js?domain=www.nctm.org
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
a4a1824defec1084ca81d496ee77891684c26196924bdc4fc21dd3482ce15e14
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
content-type
application/javascript; charset=UTF-8
p3p
CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657 for more info."
cache-control
private, no-cache, no-store
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
100
x-xss-protection
0
ads
securepubads.g.doubleclick.net/gampad/ 		175 KB
30 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://securepubads.g.doubleclick.net/gampad/ads?pvsid=3447227337974499&correlator=1052001614277703&output=ldjh&gdfp_req=1&vrg=202305150101&ptt=17&impl=fifs&iu_parts=74420477%2CNCTM_nctm.org_Elementary_Rectangle%2CNCTM_nctm.org_footer%2CNCTM_nctm.org_HigherEd_Rectangle%2CNCTM_nctm.org_HighSch_Rectangle%2CNCTM_nctm.org_HouseAd_footer%2CNCTM_nctm.org_HouseAd_RightRail%2CNCTM_nctm.org_MiddleSch_Rectangle%2CNCTM_nctm.org_rectangle%2CNCTM_nctm.org_homepage&enc_prev_ius=%2F0%2F1%2C%2F0%2F2%2C%2F0%2F3%2C%2F0%2F4%2C%2F0%2F5%2C%2F0%2F6%2C%2F0%2F7%2C%2F0%2F8%2C%2F0%2F9&prev_iu_szs=300x250%2C728x90%2C300x250%2C300x250%2C728x90%2C300x250%2C300x250%2C300x250%2C300x250&ifi=1&adks=4156578279%2C1524760463%2C2525476871%2C4216641440%2C2750725814%2C3285385967%2C3087452547%2C1281591113%2C3845224631&sfv=1-0-40&sc=1&cookie_enabled=1&abxe=1&dt=1684771386397&lmt=1684771386&dlt=1684771385647&idt=721&adxs=-9%2C-9%2C-9%2C-9%2C-9%2C-9%2C-9%2C1010%2C-9&adys=-9%2C-9%2C-9%2C-9%2C-9%2C-9%2C-9%2C307%2C-9&biw=1600&bih=1200&scr_x=0&scr_y=0&btvi=-1%7C-1%7C-1%7C-1%7C-1%7C-1%7C-1%7C0%7C-1&ucis=1%7C2%7C3%7C4%7C5%7C6%7C7%7C8%7C9&oid=2&u_his=2&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_sd=1&dmc=8&bc=31&uach=WyIiLCIiLCIiLCIiLCIiLFtdLDAsbnVsbCwiIixbXSwwXQ..&nvt=1&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&frm=20&vis=1&psz=0x-1%7C0x-1%7C0x-1%7C0x-1%7C0x-1%7C0x-1%7C0x-1%7C360x155%7C0x-1&msz=0x-1%7C0x-1%7C0x-1%7C0x-1%7C0x-1%7C0x-1%7C0x-1%7C360x0%7C0x-1&fws=2%2C2%2C2%2C2%2C2%2C2%2C2%2C0%2C2&ohw=0%2C0%2C0%2C0%2C0%2C0%2C0%2C0%2C0&ga_vid=1658534095.1684771386&ga_sid=1684771386&ga_hid=1767479609&ga_fc=true
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
308e01c14f58c2639b597d3901e2658f131af8505b5d4dc25a8e6a0edbdfc65c
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
x-content-type-options
nosniff
google-mediationgroup-id
-2,-2,-2,-2,-2,-2,-2,-2,-2
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
30082
x-xss-protection
0
google-lineitem-id
-2,-2,-2,-2,-2,5319324145,-2,5319324145,5319324145
pragma
no-cache
server
cafe
google-mediationtag-id
-2
google-creative-id
-2,-2,-2,-2,-2,138305582800,-2,138305583946,138305583943
content-type
text/plain; charset=UTF-8
access-control-allow-origin
https://www.nctm.org
cache-control
no-cache, must-revalidate
access-control-allow-credentials
true
timing-allow-origin
*
expires
Fri, 01 Jan 1990 00:00:00 GMT
sodar
pagead2.googlesyndication.com/getconfig/ 		14 KB
11 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://pagead2.googlesyndication.com/getconfig/sodar?sv=200&tid=gpt&tv=m202305150101&st=env
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ba4bfcf7bbbe2412a3f3dfe4a27be477978238d926c18c76171298fc3ec5d89d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
br
x-content-type-options
nosniff
server
cafe
content-type
application/json; charset=UTF-8
access-control-allow-origin
*
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
11174
x-xss-protection
0
container.html
beb6638c454dd5728a46cd36aa946d87.safeframe.googlesyndication.com/safeframe/1-0-40/html/ Frame ACFA 		6 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://beb6638c454dd5728a46cd36aa946d87.safeframe.googlesyndication.com/safeframe/1-0-40/html/container.html
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:831::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
468959e93f9b4e6f07c6a8f8d0e93d8fcb37d76a8615a93ec153f5842247ba99
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.nctm.org/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
public, immutable, max-age=31536000
content-encoding
br
content-length
2653
content-type
text/html
cross-origin-opener-policy-report-only
same-origin; report-to="ads-gpt-scs"
cross-origin-resource-policy
cross-origin
date
Mon, 22 May 2023 16:03:06 GMT
expires
Tue, 21 May 2024 16:03:06 GMT
last-modified
Thu, 03 Nov 2022 19:10:08 GMT
report-to
{"group":"ads-gpt-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/ads-gpt-scs"}]}
server
sffe
timing-allow-origin
*
vary
Accept-Encoding
x-content-type-options
nosniff
x-xss-protection
0
7cb64985e8db91f3
www.nctm.org/cdn-cgi/challenge-platform/h/g/cv/result/ Frame 59A9 		2 B
386 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.nctm.org/cdn-cgi/challenge-platform/h/g/cv/result/7cb64985e8db91f3
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/cdn-cgi/challenge-platform/scripts/invisible.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2606:4700:3108::ac42:2b47 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2689367b205c16ce32ed4200942b8b8b1e262dfc70d9bc9fbc77c49699a4f1df
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
Content-Type
application/json

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-content-type-options
nosniff
content-encoding
br
server
cloudflare
content-type
text/plain; charset=UTF-8
cf-ray
7cb6498dede1698f-FRA
alt-svc
h3=":443"; ma=86400, h3-29=":443"; ma=86400
GCAHXHQCXJGTBADA6MJJUN
d.adroll.com/consent/check/ 		453 B
546 B 		Script
General
Check archive.org
Download Go to
Full URL
https://d.adroll.com/consent/check/GCAHXHQCXJGTBADA6MJJUN?pv=23042012524.39011&arrfrr=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&_s=d183b869f21becfc6a64e1ae61bba089&_b=2
Requested by
Host: s.adroll.com
URL: https://s.adroll.com/j/roundtrip.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a05:d018:cc3:fe04:6c4f:e54d:3d48:b256 Dublin, Ireland, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
nginx/1.22.1 /
Resource Hash
7bea32c3103d2c0c9e479c44591717727193cf564f8424a91a55267d5a3b17be

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
server
nginx/1.22.1
content-length
453
content-type
application/javascript
view
securepubads.g.doubleclick.net/pcs/ Frame 349D 		0
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjstXpx5KMlngaPqKQ-SiENDnWLIvRucDCAYXirqXnicgoTnNhl-XEkqWSnCg0pRCgroCKIqCrMflTffLO3aXzmP9CT5DjEBstEfw3OmnKN4WtZU4yh-FLQVsG90vJmMeO9BWdB2j58Lb_KzjbKwhFfDBIcwUMRuGt52rETv5AuzYtY33fvBiwTInxKa3GyqgJkpVOs_n-vLH8N0AP-k0UPxYaPkN9QHEoLRtnaIxbKRe_JjcvEZu98jzzsQW-VvjNfadstKPTPkpGoHQriT3DDefmJVV8l-Vn_aoOvvgLappSz1BwuD5KTyaTwUPZ4OgOxwz3HTS5cAprg&sai=AMfl-YQLjCM_8GQlJhcYMmJVdklO6JBW2aMYzO9Kvj0pVlfSZtFCIFP21vxwUqZzQTFeSyV6W45UnSMsjBul7bgvc-UJAO2KM7zZy2VlVauVufjFb6Z5hI_5ciX-VvcScO0&sig=Cg0ArKJSzO5t2zMpSEGDEAE&uach_m=[UACH]&adurl=
Requested by
Host: www.nctm.org
URL: https://www.nctm.org/classroomresources/?messageID=6837697
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:82f::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
x-content-type-options
nosniff
accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-WoW64
server
cafe
content-type
image/gif
access-control-allow-origin
*
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cache-control
private
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
x-xss-protection
0
abg_lite_fy2021.js
tpc.googlesyndication.com/pagead/js/r20230517/r20110914/ Frame 349D 		22 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://tpc.googlesyndication.com/pagead/js/r20230517/r20110914/abg_lite_fy2021.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
756997924e97f09793e32520f153591ff455188cf2fd5e2f8d95b6d427b9e87b
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 10:36:27 GMT
content-encoding
br
x-content-type-options
nosniff
age
19599
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
8780
x-xss-protection
0
server
cafe
etag
16540081610679671253
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Mon, 05 Jun 2023 10:36:27 GMT
window_focus_fy2021.js
tpc.googlesyndication.com/pagead/js/r20230517/r20110914/client/ Frame 349D 		3 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://tpc.googlesyndication.com/pagead/js/r20230517/r20110914/client/window_focus_fy2021.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
3164db7ef9efc7121ce85192340a653c6cb87e34caa05849c8fd47b7872f9fc5
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 13:43:58 GMT
content-encoding
br
x-content-type-options
nosniff
age
8348
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1236
x-xss-protection
0
server
cafe
etag
15004572836499977866
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, max-age=1209600
timing-allow-origin
*
expires
Mon, 05 Jun 2023 13:43:58 GMT
l
www.google.com/ads/measurement/ Frame 349D 		0
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/ads/measurement/l?ebcid=ALh7CaQw7pabHFtZ0Qki7eGnApWFHs3U2lauTQRWWXtbxdJuEBKnPF6yjCK2d14_JgYFpbbXiwEHBKeZz3B3wc7bHNNG0_1hLQ
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:831::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers
rx_lidar.js
www.googletagservices.com/activeview/js/current/ Frame 349D 		170 KB
53 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagservices.com/activeview/js/current/rx_lidar.js?cache=r20110914
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:813::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
47d66a97dd9e4ae073078b5dcd843a74baf83776f2dd8dff131b1b6ea9209698
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/active-view-scs-read-write-acl
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
53893
x-xss-protection
0
server
sffe
cross-origin-opener-policy
same-origin; report-to="active-view-scs-read-write-acl"
etag
"1684322484769956"
vary
Accept-Encoding
report-to
{"group":"active-view-scs-read-write-acl","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/active-view-scs-read-write-acl"}]}
content-type
text/javascript
cache-control
private, max-age=3000
accept-ranges
bytes
timing-allow-origin
*
expires
Mon, 22 May 2023 16:03:06 GMT
904859105932365854
tpc.googlesyndication.com/simgad/ Frame 349D 		29 KB
29 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://tpc.googlesyndication.com/simgad/904859105932365854
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
31436c8854041f668b7772a6c812a36db998da8398243d1d5b3f03db3848fb3a
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 09:36:09 GMT
x-content-type-options
nosniff
age
368817
x-dns-prefetch-control
off
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
29379
x-xss-protection
0
last-modified
Wed, 04 Mar 2020 05:25:25 GMT
server
sffe
report-to
{"group":"content-ads-owners","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/content-ads-owners"}]}
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
cross-origin-opener-policy-report-only
same-origin; report-to="content-ads-owners"
expires
Fri, 17 May 2024 09:36:09 GMT
sodar2.js
tpc.googlesyndication.com/sodar/ 		17 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://tpc.googlesyndication.com/sodar/sodar2.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202305150101/pubads_impl.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
61c32059a5e94075a7ecff678b33907966fc9cfa384daa01aa057f872da14dbb
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
6386
x-xss-protection
0
server
sffe
cross-origin-opener-policy
same-origin; report-to="adspam-signals-scs"
etag
"1637097310169751"
vary
Accept-Encoding
report-to
{"group":"adspam-signals-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/adspam-signals-scs"}]}
content-type
text/javascript
cache-control
private, max-age=3000
accept-ranges
bytes
expires
Mon, 22 May 2023 16:03:06 GMT
265968847659121
connect.facebook.net/signals/config/ 		377 KB
107 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/signals/config/265968847659121?v=2.9.104&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f083:100:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
175f6622531d4f003bc071ec2a8b3452255a029d2849522fa47e3e1e3448dc44
Security Headers
Name Value
Content-Security-Policy default-src * data: blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.google.com 127.0.0.1:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self';block-all-mixed-content;upgrade-insecure-requests;
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

content-security-policy
default-src * data: blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.google.com 127.0.0.1:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self';block-all-mixed-content;upgrade-insecure-requests;
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
Mon, 22 May 2023 16:03:06 GMT
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
x-fb-rlafr
0
x-xss-protection
0
pragma
public
x-fb-debug
0r9p3ae5UR/RDgoXjT4JGwn06Q7XthA+xBLZkHxkEL4bWXJK6rjoZXTN0jwNK8pKWf+6FvAf4Ox6L92jYa2qgw==
cross-origin-embedder-policy-report-only
require-corp;report-to="coep_report"
cross-origin-opener-policy
same-origin-allow-popups
vary
Accept-Encoding
report-to
{"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/?minimize=0"}],"group":"coep_report"}
content-type
application/x-javascript; charset=utf-8
x-frame-options
DENY
origin-agent-cluster
?0
cache-control
public, max-age=1200
permissions-policy
accelerometer=(), ambient-light-sensor=(), bluetooth=(), gyroscope=(), hid=(), idle-detection=(), magnetometer=(), midi=(), screen-wake-lock=(), serial=(), usb=()
priority
u=3,i
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
www.facebook.com/tr/ 		0
185 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=183690092499024&ev=PageView&dl=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&rl=&if=false&ts=1684771386637&sw=1600&sh=1200&v=2.9.104&r=stable&ec=0&o=30&fbp=fb.1.1684771386635.198983438&cs_est=true&it=1684771386194&coo=false&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f176:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
date
Mon, 22 May 2023 16:03:06 GMT
server
proxygen-bolt
content-type
text/plain
access-control-allow-origin
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
0
truncated
/ Frame 349D 		213 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
54256eb8a1e8f09e877c5f40bd9676e4156aacc8bd9a7afbfa43f105a0e0b938

Request headers

accept-language
de-DE,de;q=0.9
Referer
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

Content-Type
image/png
runner.html
tpc.googlesyndication.com/sodar/sodar2/225/ Frame D914 		13 KB
5 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
Requested by
Host: tpc.googlesyndication.com
URL: https://tpc.googlesyndication.com/sodar/sodar2.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82b::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
55a119c0394f901a8a297e109c17b5e5402689708b999ab10691c16179f32a4a
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.nctm.org/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
age
1027
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
public, max-age=31536000
content-encoding
gzip
content-length
5046
content-type
text/html
cross-origin-opener-policy
same-origin; report-to="adspam-signals-scs"
cross-origin-resource-policy
cross-origin
date
Mon, 22 May 2023 15:45:59 GMT
expires
Tue, 21 May 2024 15:45:59 GMT
last-modified
Mon, 21 Jun 2021 20:47:05 GMT
report-to
{"group":"adspam-signals-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/adspam-signals-scs"}]}
server
sffe
vary
Accept-Encoding
x-content-type-options
nosniff
x-xss-protection
0
aframe
www.google.com/recaptcha/api2/ Frame 5418 		783 B
535 B 		Document
General
Check archive.org
Download Go to
Full URL
https://www.google.com/recaptcha/api2/aframe
Requested by
Host: tpc.googlesyndication.com
URL: https://tpc.googlesyndication.com/sodar/sodar2.js
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:831::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
GSE /
Resource Hash
c5b55a40a60004af3f0d42fba39fc387c1389be80a8339d3694b85a5b2599ca2
Security Headers
Name Value
Content-Security-Policy script-src 'report-sample' 'nonce-P3gBEEBfpsRtLZWxsPYMrw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://www.nctm.org/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
cache-control
private, max-age=300
content-encoding
gzip
content-length
513
content-security-policy
script-src 'report-sample' 'nonce-P3gBEEBfpsRtLZWxsPYMrw' 'unsafe-inline' 'strict-dynamic' https: http: 'unsafe-eval';object-src 'none';base-uri 'self';report-uri https://csp.withgoogle.com/csp/recaptcha/1
content-type
text/html; charset=utf-8
cross-origin-embedder-policy
require-corp
cross-origin-resource-policy
cross-origin
date
Mon, 22 May 2023 16:03:06 GMT
expires
Mon, 22 May 2023 16:03:06 GMT
report-to
{"group":"recaptcha","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/recaptcha"}]}
server
GSE
x-content-type-options
nosniff
x-xss-protection
1; mode=block
consent_tcfv2.js
s.adroll.com/j/ 		410 KB
55 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://s.adroll.com/j/consent_tcfv2.js
Requested by
Host: s.adroll.com
URL: https://s.adroll.com/j/roundtrip.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:26df:6000:6:9280:1080:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
91144fbcc0e3f609b021e362ec29d2a9b58f15e840f229eb99ea2c04d927882b

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

X-Amz-Version-Id
44sIT20LqRj70wQHqyIoOw7etYYdjkbK
Content-Encoding
gzip
Via
1.1 c96128ea5833e6a269662447a1c34cee.cloudfront.net (CloudFront)
Date
Mon, 22 May 2023 15:58:25 GMT
Age
282
X-Amz-Cf-Pop
WAW51-P3
X-Amz-Server-Side-Encryption
AES256
Transfer-Encoding
chunked
X-Cache
Hit from cloudfront
Connection
keep-alive
Last-Modified
Wed, 04 May 2022 19:41:48 GMT
Server
AmazonS3
Etag
W/"0a7d0ea8d7d31b07e925fe340acf431b"
Vary
Accept-Encoding
Access-Control-Max-Age
600
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Access-Control-Allow-Methods
GET
Cache-Control
max-age=300, must-revalidate
Access-Control-Allow-Credentials
false
Access-Control-Allow-Headers
*
X-Amz-Cf-Id
124ZtErqkN9sOjx10DnvJFZ_0DRlEwxpU7E_aU5NiyMa8y6NtSa1mA==
b4kQu0tD4hSA-hVARc1fzzODE0daF2Vy-bPLW9uau78.js
pagead2.googlesyndication.com/bg/ Frame D914 		37 KB
14 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://pagead2.googlesyndication.com/bg/b4kQu0tD4hSA-hVARc1fzzODE0daF2Vy-bPLW9uau78.js
Requested by
Host: tpc.googlesyndication.com
URL: https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:809::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
6f8910bb4b43e21480fa154045cd5fcf338313475a176572f9b3cb5bdb9abbbf
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://tpc.googlesyndication.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 06:21:24 GMT
content-encoding
br
x-content-type-options
nosniff
age
34902
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/botguard-scs
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
14738
x-xss-protection
0
last-modified
Mon, 15 May 2023 09:58:00 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="botguard-scs"
vary
Accept-Encoding
report-to
{"group":"botguard-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/botguard-scs"}]}
content-type
text/javascript
cache-control
public, max-age=31536000
accept-ranges
bytes
expires
Tue, 21 May 2024 06:21:24 GMT
sodar
pagead2.googlesyndication.com/pagead/ Frame 5418 		0
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://pagead2.googlesyndication.com/pagead/sodar?id=sodar2&v=225&li=gpt_m202305150101&jk=3447227337974499&rc=
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:809::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.google.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers
view
securepubads.g.doubleclick.net/pcs/ Frame 349D 		0
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://securepubads.g.doubleclick.net/pcs/view?xai=AKAOjsu7SNFXVR2IfLIf1b8Idig1_8Q1DOb7GAVswXtm0iEu0-g6_o8nCnO9jLObozJ8o5xhPQPZNfVWMPtxEqZdfYO0Lkbm28FIdz-c2iC2y9AZvKmnVGqTMjK6dZfqE3t7psVMVaPoBdGmyOdReXT74Cug0N_C2Xzx7Dx13d7pehh1IAZdcXBIk-e7XibrTL0PSpsm11NevNp-WzBfBFVtRk-lcxkagrLUOuKNGpwmjjnMVtHj4DfVQ6AL0cUNXAUd4jPiAMJNfXdoBAnOroZOiuHQ1_jK7pnkmrHU4fSxVMrgBubu1iztRPmSRER7d64M4Rp1D9C8LYGXsA5r&sai=AMfl-YTICiJRN4bX27hcf3duu7XaniDB8c4bYQmOSgkEC6vEU7nqniQJuomr_YrRC6ll_NuDVwfevWp-Me8c_abZkD2mBpXKMG3N7L0FIOh--mPUXc_Oywd55G3PRZPdPxI&sig=Cg0ArKJSzOuC4GzfC0DPEAE&uach_m=[UACH]&adurl=
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/activeview/js/current/rx_lidar.js?cache=r20110914
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
x-content-type-options
nosniff
accept-ch
Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-WoW64
server
cafe
content-type
image/gif
access-control-allow-origin
*
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
cache-control
private
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
x-xss-protection
0
expires
Mon, 22 May 2023 16:03:06 GMT
nextroll-32x32.png
s.adroll.com/i/favicon/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://s.adroll.com/i/favicon/nextroll-32x32.png
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:26df:6000:6:9280:1080:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
bcaf0e3f087296133e0a996ee3d289a8d1a690147c93e0ab62019b505e6f9355

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

X-Amz-Version-Id
eTpwxbAIDHDUN.4tfrROIgU_pzKN9Xh0
Date
Sun, 21 May 2023 19:32:18 GMT
Via
1.1 c96128ea5833e6a269662447a1c34cee.cloudfront.net (CloudFront)
Age
73851
X-Amz-Cf-Pop
WAW51-P3
X-Amz-Server-Side-Encryption
AES256
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
1615
Last-Modified
Mon, 28 Jun 2021 18:19:21 GMT
Server
AmazonS3
Etag
"403a0a7dcf2d617e7ea852bfb9d11945"
Vary
Accept-Encoding
Access-Control-Max-Age
600
Content-Type
image/png
Access-Control-Allow-Origin
*
Access-Control-Allow-Methods
GET
Access-Control-Allow-Credentials
false
Accept-Ranges
bytes
Access-Control-Allow-Headers
*
X-Amz-Cf-Id
QIWX3KJQuw71WKjlelyLbrNy9qG9gLhWvMxphRhd-ACSN1mNFPKwgA==
token
cdn.linkedin.oribi.io/partner/4710762/domain/nctm.org/ 		36 B
379 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://cdn.linkedin.oribi.io/partner/4710762/domain/nctm.org/token
Requested by
Host: snap.licdn.com
URL: https://snap.licdn.com/li.lms-analytics/insight.min.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2436:800:2:53b2:240:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
/
Resource Hash
7b1eaaaf180a13c29b6dddc3b0ae23333b4397e0f3c065b4c86da2f2530a5f89

Request headers

Accept
*
Referer
https://www.nctm.org/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 12:03:53 GMT
content-encoding
gzip
via
1.1 17ff2c2351b3432aeca037c83427d8c6.cloudfront.net (CloudFront)
x-amz-cf-pop
WAW51-P2
age
14352
vary
accept-encoding
x-cache
Hit from cloudfront
content-type
application/json
access-control-allow-origin
*
cache-control
public, max-age=17008
x-amz-cf-id
-FPklxbRUCmzqxvI7-As3qZxYoHV3utIeWTKMmQYK2x2LU3yYckCPw==
collect
px4.ads.linkedin.com/
Redirect Chain
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true
  • https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D4710762%26time%3D1684771386776%26url%3Dhttps%253A%252F%252Fwww.nctm.org%252Fclass...
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true&liSync=true
  • https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true&liSync=true&e_i...
0
265 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true&liSync=true&e_ipv6=AQIbTaDm9VFRCgAAAYhEMzcm7m3ZbuaSDiYrKUQ5RZ8GBgwvZDtTHm3gdJmS0GWBiTjSJo4
Protocol
H2
Server
13.107.42.14 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
x-li-pop
afd-prod-lva1-x
x-msedge-ref
Ref A: 1DFEE126B6114F1B8E806327946BE89E Ref B: FRAEDGE1115 Ref C: 2023-05-22T16:03:07Z
linkedin-action
1
x-cache
CONFIG_NOCACHE
content-type
application/javascript
x-li-fabric
prod-lva1
x-li-proto
http/2
content-length
0
x-li-uuid
AAX8SmgRW5/kodkIG36rfw==

Redirect headers

date
Mon, 22 May 2023 16:03:06 GMT
x-li-pop
afd-prod-lva1-x
x-msedge-ref
Ref A: C8C785D3CAA9491494224FB1E6236351 Ref B: FRAEDGE1908 Ref C: 2023-05-22T16:03:07Z
linkedin-action
1
x-cache
CONFIG_NOCACHE
x-li-fabric
prod-lva1
location
https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=4710762&time=1684771386776&url=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&tm=gtmv2&cookiesTest=true&liSync=true&e_ipv6=AQIbTaDm9VFRCgAAAYhEMzcm7m3ZbuaSDiYrKUQ5RZ8GBgwvZDtTHm3gdJmS0GWBiTjSJo4
x-li-proto
http/2
content-length
0
x-li-uuid
AAX8SmgPVFCTHcgEuFVdbQ==
generate_204
tpc.googlesyndication.com/ Frame D914 		0
10 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://tpc.googlesyndication.com/generate_204?nDZtUQ
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:82b::2001 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://tpc.googlesyndication.com/sodar/sodar2/225/runner.html
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Mon, 22 May 2023 16:03:06 GMT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
/
www.facebook.com/tr/ 		0
31 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=265968847659121&ev=PageView&dl=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&rl=&if=false&ts=1684771386827&sw=1600&sh=1200&v=2.9.104&r=stable&a=tmSimo-GTM-WebTemplate&ec=0&o=30&fbp=fb.1.1684771386635.198983438&cs_est=true&it=1684771386194&coo=false&tm=1&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f176:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
date
Mon, 22 May 2023 16:03:06 GMT
server
proxygen-bolt
content-type
text/plain
access-control-allow-origin
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
0
sodar
pagead2.googlesyndication.com/pagead/ 		0
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://pagead2.googlesyndication.com/pagead/sodar?id=sodar2&v=225&t=2&li=gpt_m202305150101&jk=3447227337974499&bg=!Dg2lDVnNAAZ8_aWmXP07ADkAdvg8WgxGXO5W5grU7RqXkXRqzs7q5EUss5LE7IupugnSp8XHsA5G4vRnNNlSuYzrcmm3vGhrziYCAAAAUVIAAAACaAEHmQKfpbLTiX46jIYL_vhaDQZocgJFQwZAtJBLuqxNeXElsy8m29Vuv3xjHuTyGMfnv_631g3oLfmTeHLAP80wEkXJtTLLfP6uGcOhN3GQ9JCJLR_c9T3eKF6aJCyrUUo1w19S-aa7lYeX82pdl8uWNQIKUi6qXENXjTn3UeH2HpA8yHKxXtScHBKRtux8m2Brw7EdzMCfLGr5G-DrG_xoEMeHz3gz0URx2BYRcuaVuV2wy-njLLsK1vtuhGnPqjRY9bygke5Krps3NpMnH-J-hSOgOK8y6X4vi0jOutJ_2iwrGtn8iksUsknxQoEFa6RLxyGe5sC1uFeoZXUNOz5LTmH7l2JsQnjFrLzFuRnTIu3dQztd9BmHFx3O9R9-na-LhQnYr6BE1RxZYMcOmK6oEnEd5lPB_2dSYSiNhrhlXsQ7AWust3mrXDJ39lGbNm5mU5taeSLW6MxW-Idd9Cl99mpv8jAP4b3OUyuGgpFLOocJylGL0QSLnG7s9kA4Lyb3k-6yG-V4UiP5J6F0jwgG1guxAUWO2NvVRDxknQ_CEaabxrnEt-g6v1BGCH6w0i6lQp5JR9NiN98Ly45nLVAyRje3x543xj9uNN9w9eQOW4A-QdLUV6PUJXWbbmnP4p1Q4mb51A07BfJarihb_V5rbztnNdSXf6i-vXMbpx_MTSu5AOUfn5YRPuSW5t3-pyfxCMD6jf2IVmltjYndZYt0V535n-96s8VVy8dy5wClO39dDwfPSVGLHmPPdk-StDxajDfSdmj_Wp5j9rYNtpUBWArOzseG1U1XVyXFkMmsSalZfCCCmt-Yx6YRcw_XM3XXWsjGfiQf7AaTV0Iz1paEJ6g9RHURHIO69B6Dq-4bX910eFfskRlwGEF5BnqYe868hr0
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:809::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
/
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers
activeview
pagead2.googlesyndication.com/pcs/ Frame 349D 		42 B
174 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://pagead2.googlesyndication.com/pcs/activeview?xai=AKAOjsvoCdDC-uGb_K0gctFpGJpo8930vzJGwce8340u2Frb3wrcnLw48uDnyQz38xIS-tNm0N0OLN9nG76iWJBLcqyQIxCnakE1psZwi659SPefqQNFTA8e&sig=Cg0ArKJSzCu3uZ-Pz7VBEAE&id=lidar2&mcvt=1000&p=277,1040,527,1340&mtos=1000,1000,1000,1000,1000&tos=1000,0,0,0,0&v=20230517&bin=7&avms=nio&bs=1600,1200&mc=1&vu=1&app=0&itpl=3&adk=1281591113&rs=4&la=0&cr=0&uach=WyIiLCIiLCIiLCIiLCIiLFtdLDAsbnVsbCwiIixbXSwwXQ%3D%3D&vs=4&r=v&rst=1684771386580&rpt=136&isd=0&lsd=0&met=mue&wmsd=0&pbe=0&vae=0&spb=0
Requested by
Host: www.googletagservices.com
URL: https://www.googletagservices.com/activeview/js/current/rx_lidar.js?cache=r20110914
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

pragma
no-cache
date
Mon, 22 May 2023 16:03:07 GMT
x-content-type-options
nosniff
server
cafe
content-type
image/gif
access-control-allow-origin
*
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.facebook.com/tr/ 		0
18 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=183690092499024&ev=Microdata&dl=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&rl=&if=false&ts=1684771388140&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22%5Cn%5CtClassroom%20Resources%20-%20National%20Council%20of%20Teachers%20of%20Mathematics%5Cn%22%2C%22meta%3Akeywords%22%3A%22Mathmathetics%22%7D&cd[OpenGraph]=%7B%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=1600&sh=1200&v=2.9.104&r=stable&ec=1&o=30&fbp=fb.1.1684771386635.198983438&it=1684771386194&coo=false&es=automatic&tm=3&rqm=GET
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f176:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
date
Mon, 22 May 2023 16:03:08 GMT
server
proxygen-bolt
content-type
text/plain
access-control-allow-origin
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
0
priority
u=3,i
/
www.facebook.com/tr/ 		0
15 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=265968847659121&ev=Microdata&dl=https%3A%2F%2Fwww.nctm.org%2Fclassroomresources%2F%3FmessageID%3D6837697&rl=&if=false&ts=1684771388328&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22%5Cn%5CtClassroom%20Resources%20-%20National%20Council%20of%20Teachers%20of%20Mathematics%5Cn%22%2C%22meta%3Akeywords%22%3A%22Mathmathetics%22%7D&cd[OpenGraph]=%7B%7D&cd[Schema.org]=%5B%5D&cd[JSON-LD]=%5B%5D&sw=1600&sh=1200&v=2.9.104&r=stable&a=tmSimo-GTM-WebTemplate&ec=1&o=30&fbp=fb.1.1684771386635.198983438&it=1684771386194&coo=false&es=automatic&tm=3&rqm=GET
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f176:181:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.nctm.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
date
Mon, 22 May 2023 16:03:08 GMT
server
proxygen-bolt
content-type
text/plain
access-control-allow-origin
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
0
priority
u=3,i

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain
polo.feathr.co
URL
https://polo.feathr.co/v1/accounts/5d9def21cca930f7d4d95c6e/integrations

Verdicts & Comments Add Verdict or Comment

135 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| 0 object| 1 object| 2 object| 3 boolean| credentialless string| WisePopsObject function| wisepops object| __cfQR object| __cfBeacon object| wiseStorage function| WisepopsAddToCookiePage function| Browseris function| $ function| jQuery function| $ektron object| Ektron object| dataLayer function| css_browser_selector string| c object| googletag function| fbq function| _fbq object| cookieconsent function| gtag object| theForm function| __doPostBack object| google_tag_manager object| google_tag_data function| WebForm_PostBackOptions function| WebForm_DoPostBackWithOptions object| __pendingCallbacks number| __synchronousCallBackIndex function| WebForm_DoCallback function| WebForm_CallbackComplete function| WebForm_ExecuteCallback function| WebForm_FillFirstAvailableSlot boolean| __nonMSDOMBrowser string| __theFormPostData object| __theFormPostCollection object| __callbackTextTypes function| WebForm_InitCallback function| WebForm_InitCallbackAddField function| WebForm_EncodeCallback object| __disabledControlArray function| WebForm_ReEnableControls function| WebForm_ReDisableControls function| WebForm_SimulateClick function| WebForm_FireDefaultButton function| WebForm_GetScrollX function| WebForm_GetScrollY function| WebForm_SaveScrollPositionSubmit function| WebForm_SaveScrollPositionOnSubmit function| WebForm_RestoreScrollPosition function| WebForm_TextBoxKeyHandler function| WebForm_TrimString function| WebForm_AppendToClassName function| WebForm_RemoveClassName function| WebForm_GetElementById function| WebForm_GetElementByTagName function| WebForm_GetElementsByTagName function| WebForm_GetElementDir function| WebForm_GetElementPosition function| WebForm_GetParentByTagName function| WebForm_SetElementHeight function| WebForm_SetElementWidth function| WebForm_SetElementX function| WebForm_SetElementY string| GoogleAnalyticsObject function| ga function| Sys$Enum$parse function| Sys$Enum$toString function| Sys$Component$_setProperties function| Sys$Component$_setReferences function| $create function| $addHandler function| $addHandlers function| $clearHandlers function| $removeHandler function| $get function| $find function| Type object| Sys object| _events function| btnSearchClick function| feathr function| FeathrBoomerang object| jQuery11100558151383721267 boolean| __cfRLUnblockHandlers string| adroll_adv_id string| adroll_pix_id boolean| __adroll_loaded object| gaplugins object| gaGlobal object| gaData object| GooglebQhCsO object| _linkedin_data_partner_ids boolean| _already_called_lintrk object| _fbq_gtm_ids undefined| feathr_account_id object| __feathrs object| ggeac object| google_js_reporting_queue function| onYouTubeIframeAPIReady boolean| initialized object| umami string| adroll_sid object| adroll object| __adroll boolean| adroll_optout object| adroll_loaded object| adroll_ext_network object| adroll_callbacks function| adroll_tpc_callback object| adroll_exp_list undefined| google_measure_js_timing object| googleToken object| googleIMState function| processGoogleToken number| google_unique_id object| __adroll_consent_data object| GoogleGcLKhOms function| __cmp function| __tcfapi object| __adroll_consent boolean| __adroll_consent_is_gdpr string| __adroll_consent_user_country string| __adroll_consent_adv_country object| $jscomp string| BANNER_VERSION string| TCF_VERSION string| IABWRITE_NO_COOKIE object| __adroll_consent_banner boolean| __adroll_consent_prev_lastchild function| lintrk object| google_image_requests

26 Cookies

Domain/Path Name / Value
www.nctm.org/ Name: EktGUID
Value: 3fa7adb1-afa6-4322-87e0-b2ea5e9424cb
www.nctm.org/ Name: ASP.NET_SessionId
Value: xus3p2tohbtooa22mimmuso1
.nctm.org/ Name: wisepops
Value: %7B%22csd%22%3A1%2C%22popups%22%3A%7B%7D%2C%22sub%22%3A0%2C%22ucrn%22%3A86%2C%22cid%22%3A%2239427%22%2C%22v%22%3A4%2C%22bandit%22%3A%7B%22recos%22%3A%7B%7D%7D%7D
.nctm.org/ Name: wisepops_visits
Value: %5B%222023-05-22T16%3A03%3A05.786Z%22%5D
.nctm.org/ Name: wisepops_session
Value: %7B%22arrivalOnSite%22%3A%222023-05-22T16%3A03%3A05.786Z%22%2C%22mtime%22%3A1684771385900%2C%22pageviews%22%3A1%2C%22popups%22%3A%7B%7D%2C%22bars%22%3A%7B%7D%2C%22sticky%22%3A%7B%7D%2C%22countdowns%22%3A%7B%7D%2C%22src%22%3Anull%2C%22utm%22%3A%7B%7D%2C%22testIp%22%3Anull%7D
www.nctm.org/ Name: ecm
Value: Ctag9L6ZfPMAGUt1E_f0frKoop4i-QnPN42F-0PjATPbeImKcrMnvWufmB_mxm3NJg5QRu9UDtO4oLqg36aF51-E_Jg3jYVVNy-K7mm-8dU3e03q5tD-yxFsy4k6fX5pEIMajLqC8UYiQO4rMklcKITCe5cnTvItO8j6jk2LX_ULCpqzrGYXAgwiaNYhrxYlHDa_K-JA6cLECloE3vU2tqMw-HUWW-bRJJzP79Urmd9gWzXkiYAGq_i00MwvZgTrC3OYAtho84XRS9JxJficzB_e1zQ8qHtiRwXugC3xbevB9VIC47qdDU2uuM5LC3PD1tx_7Ahe57b5LV_2M1SpYs_TPoS8PWg5vw49pk_yK3aZNNZKOQo9ZAJEH1pKi76GmP5Eo5TpzjGG7jyDE3EeI5USr79mq9Uvg2OPPmgvpNH_r17KZoB9pcM2JKoI95VQjyhDHYCyHa7V8H7KYdGt4BBCp8Iwsx-bYtu4rYqKizoGOW-cegl9phpZY27dodsxx9OntMKUJ_ltEdVKKsFuJktDh2Zar-BVGWt2hdQqrORz2aE_r4nVIiNqSKSM2ASv40Xg5S5dxDE748HcSPLhkQ2
.nctm.org/ Name: _gid
Value: GA1.2.392311915.1684771386
.nctm.org/ Name: _gat_gtag_UA_30056_1
Value: 1
.nctm.org/ Name: _gcl_au
Value: 1.1.7758837.1684771386
.www.nctm.org/ Name: feathr_session_id
Value: 646b923aa5dc39351a26903b
.nctm.org/ Name: _ga_0TLCMNGVJL
Value: GS1.1.1684771386.1.0.1684771386.0.0.0
.nctm.org/ Name: _ga
Value: GA1.1.1658534095.1684771386
.doubleclick.net/ Name: IDE
Value: AHWqTUkHGtyea8_QX8ldHq5pO8B9IIBKiDAKYJg3br8EKzbZvJwLksepQXMdT7QB3PQ
.nctm.org/ Name: __gads
Value: ID=dce789ef8b9030a0:T=1684771386:S=ALNI_MY58zp0fWq7WrVvra6Yrhe8M-e9yQ
.nctm.org/ Name: __gpi
Value: UID=00000c1a02604e6d:T=1684771386:RT=1684771386:S=ALNI_Mb6svkFEoCPE10N2ueoTWobNe2FLQ
.nctm.org/ Name: __cf_bm
Value: XFlOq5lGAMbH9HngcIrqJVGHxL6.s6VGtxwxjbf3aCw-1684771386-0-AaMRZaDun1xA7e5ASnj0F1uab/PAXsDQueXqHx+CZSEYOY1/yZ4C6QdGwyZdeR97o7hJTWkIX+uz51zwenR22pUnkKfxy4hY0mMZ+MvuwMqe
.nctm.org/ Name: _fbp
Value: fb.1.1684771386635.198983438
.feathr.co/ Name: f_id
Value: 646b923a66be270008f080ce
www.nctm.org/ Name: ln_or
Value: eyI0NzEwNzYyIjoiZCJ9
.linkedin.com/ Name: li_sugr
Value: 5f70f7f9-fd5c-4f5f-87c5-515d86a50229
.linkedin.com/ Name: bcookie
Value: "v=2&d6fadd1f-6a1e-4bd4-8495-a6058dc1fb5c"
.linkedin.com/ Name: lidc
Value: "b=VGST07:s=V:r=V:a=V:p=V:g=2643:u=1:x=1:i=1684771386:t=1684857786:v=2:sig=AQGBow3BkonE4cMMsOQ41xCEd2sMmVw4"
.linkedin.com/ Name: UserMatchHistory
Value: AQK2fNGmydQA7QAAAYhEMzZOxvVvn7F1rrmM-3tiVsr5idMMCHnV0L4zC2Bhds-YuHF_9ZP9oXIfkg
.linkedin.com/ Name: AnalyticsSyncHistory
Value: AQJMVlurVWExiQAAAYhEMzZO1x6J92PEB1opTAukpLHdWJj2B1rdBSKob4EF75dIeT3jgGVVGDCmDnCcOc3Pzg
.www.linkedin.com/ Name: bscookie
Value: "v=1&20230522160307db82d4e0-eaa4-47ad-8f88-8995d8c24b2dAQFsSa9bCy5bnBYn5VMdbpz1ZTOdsdOL"
.linkedin.com/ Name: li_gc
Value: MTswOzE2ODQ3NzEzODc7MjswMjEzy5+gHZzYq58Ud/64XaOVx7FtcNQVjDo+IAsXDa7zhA==

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

activity.wisepops.com
adservice.google.com
adservice.google.de
ajax.googleapis.com
beb6638c454dd5728a46cd36aa946d87.safeframe.googlesyndication.com
cdn.feathr.co
cdn.linkedin.oribi.io
cdnjs.cloudflare.com
connect.facebook.net
d.adroll.com
fonts.bunny.net
googleads.g.doubleclick.net
loader.wisepops.com
marco.feathr.co
mathforum.org
pagead2.googlesyndication.com
polo.feathr.co
popup.wisepops.com
px.ads.linkedin.com
px4.ads.linkedin.com
region1.google-analytics.com
s.adroll.com
securepubads.g.doubleclick.net
snap.licdn.com
static.cloudflareinsights.com
stats.g.doubleclick.net
tpc.googlesyndication.com
webstats.nctm.app
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
www.googletagservices.com
www.linkedin.com
www.nctm.org
polo.feathr.co
13.107.42.14
18.244.102.81
2001:4860:4802:32::178
2001:4860:4802:34::36
2400:52e0:1e00::1080:1
2600:9000:2436:800:2:53b2:240:93a1
2600:9000:26df:6000:6:9280:1080:93a1
2606:4700:20::681a:a13
2606:4700:20::681a:b13
2606:4700:20::ac43:4adc
2606:4700:3037::6815:52a3
2606:4700:3108::ac42:2b47
2606:4700::6810:3865
2606:4700::6811:190e
2620:1ec:21::14
2a00:1450:4001:806::2002
2a00:1450:4001:808::2002
2a00:1450:4001:809::2002
2a00:1450:4001:80e::2008
2a00:1450:4001:80e::200a
2a00:1450:4001:813::2002
2a00:1450:4001:829::2003
2a00:1450:4001:82b::2001
2a00:1450:4001:82b::2002
2a00:1450:4001:82f::2002
2a00:1450:4001:831::2001
2a00:1450:4001:831::2004
2a00:1450:400c:c00::9c
2a02:26f0:780::5f65:3669
2a03:2880:f083:100:face:b00c:0:3
2a03:2880:f176:181:face:b00c:0:25de
2a05:d018:cc3:fe04:6c4f:e54d:3d48:b256
2a06:98c1:3120::3
96.45.82.41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