Submitted URL: http://www.w3schools.com/
Effective URL: https://www.w3schools.com/
Submission: On March 24 via api from TR — Scanned from DE

Summary

This website contacted 17 IPs in 4 countries across 14 domains to perform 59 HTTP transactions. The main IP is 192.229.133.221, located in United States and belongs to EDGECAST, US. The main domain is www.w3schools.com. The Cisco Umbrella rank of the primary domain is 33191.
TLS certificate: Issued by DigiCert TLS RSA SHA256 2020 CA1 on March 5th 2023. Valid for: a year.
This is the only time www.w3schools.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 31 192.229.133.221 15133 (EDGECAST)
7 2606:4700::68... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
3 108.138.6.136 16509 (AMAZON-02)
2 2a00:1450:400... 15169 (GOOGLE)
1 2600:9000:211... 16509 (AMAZON-02)
2 2606:4700:440... 13335 (CLOUDFLAR...)
1 18.184.186.124 16509 (AMAZON-02)
1 18.245.31.65 16509 (AMAZON-02)
1 23.57.19.78 16625 (AKAMAI-AS)
1 2606:4700:10:... 13335 (CLOUDFLAR...)
2 44.218.4.160 14618 (AMAZON-AES)
1 2001:4860:480... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
2 2a02:2638:3::c 44788 (ASN-CRITE...)
1 15.197.193.217 16509 (AMAZON-02)
59 17
Apex Domain
Subdomains
Transfer
31 w3schools.com
www.w3schools.com — Cisco Umbrella Rank: 33191
1 MB
8 snigelweb.com
cdn.snigelweb.com — Cisco Umbrella Rank: 19597
adengine.snigelweb.com — Cisco Umbrella Rank: 30439
cdnx.snigelweb.com — Cisco Umbrella Rank: 32693
382 KB
4 amazon-adsystem.com
c.amazon-adsystem.com — Cisco Umbrella Rank: 355
config.aps.amazon-adsystem.com — Cisco Umbrella Rank: 920
80 KB
3 doubleclick.net
securepubads.g.doubleclick.net — Cisco Umbrella Rank: 275
stats.g.doubleclick.net — Cisco Umbrella Rank: 195
168 KB
2 criteo.com
gum.criteo.com — Cisco Umbrella Rank: 622
376 B
2 amazon.dev
prod.us-east-1.cxm-bcn.publisher-services.amazon.dev — Cisco Umbrella Rank: 5105
128 B
2 confiant-integrations.net
cdn.confiant-integrations.net — Cisco Umbrella Rank: 2338
82 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 114
169 KB
1 adsrvr.org
match.adsrvr.org — Cisco Umbrella Rank: 589
424 B
1 google.de
www.google.de — Cisco Umbrella Rank: 4233
408 B
1 google.com
region1.analytics.google.com — Cisco Umbrella Rank: 2066
256 B
1 id5-sync.com
cdn.id5-sync.com — Cisco Umbrella Rank: 1384
27 KB
1 fastclick.net
secure.cdn.fastclick.net — Cisco Umbrella Rank: 1634
17 KB
1 pbxai.com
floor.pbxai.com — Cisco Umbrella Rank: 16284
1 KB
59 14
Domain Requested by
31 www.w3schools.com 1 redirects www.w3schools.com
6 cdn.snigelweb.com www.w3schools.com
cdn.snigelweb.com
3 c.amazon-adsystem.com cdn.snigelweb.com
c.amazon-adsystem.com
2 gum.criteo.com cdn.snigelweb.com
2 prod.us-east-1.cxm-bcn.publisher-services.amazon.dev c.amazon-adsystem.com
2 cdn.confiant-integrations.net adengine.snigelweb.com
cdn.confiant-integrations.net
2 securepubads.g.doubleclick.net cdn.snigelweb.com
securepubads.g.doubleclick.net
2 www.googletagmanager.com www.w3schools.com
www.googletagmanager.com
1 match.adsrvr.org cdn.snigelweb.com
1 www.google.de www.w3schools.com
1 stats.g.doubleclick.net www.googletagmanager.com
1 region1.analytics.google.com www.googletagmanager.com
1 cdn.id5-sync.com www.w3schools.com
1 secure.cdn.fastclick.net www.w3schools.com
1 config.aps.amazon-adsystem.com c.amazon-adsystem.com
1 floor.pbxai.com cdn.snigelweb.com
1 cdnx.snigelweb.com cdn.snigelweb.com
1 adengine.snigelweb.com cdn.snigelweb.com
59 18
Subject Issuer Validity Valid
*.w3schools.com
DigiCert TLS RSA SHA256 2020 CA1
2023-03-05 -
2024-04-04
a year crt.sh
snigelweb.com
GTS CA 1P5
2024-02-23 -
2024-05-23
3 months crt.sh
*.google-analytics.com
GTS CA 1C3
2024-02-26 -
2024-05-20
3 months crt.sh
c.amazon-adsystem.com
Amazon RSA 2048 M01
2023-12-30 -
2024-12-04
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2024-02-26 -
2024-05-20
3 months crt.sh
cdn.pbxai.com
Amazon RSA 2048 M02
2023-12-15 -
2025-01-12
a year crt.sh
confiant-integrations.net
GTS CA 1P5
2024-03-16 -
2024-06-14
3 months crt.sh
floor.pbxai.com
Amazon RSA 2048 M03
2023-08-07 -
2024-09-04
a year crt.sh
config.aps.amazon-adsystem.com
Amazon RSA 2048 M02
2024-01-21 -
2025-02-19
a year crt.sh
secure.cdn.fastclick.net
DigiCert TLS RSA SHA256 2020 CA1
2023-10-03 -
2024-10-03
a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2023-05-07 -
2024-05-06
a year crt.sh
prod.us-east-1.cxm-bcn.publisher-services.amazon.dev
Amazon RSA 2048 M02
2023-11-27 -
2024-12-25
a year crt.sh
www.google.de
GTS CA 1C3
2024-02-26 -
2024-05-20
3 months crt.sh
*.criteo.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1
2024-02-08 -
2024-05-07
3 months crt.sh
*.adsrvr.org
GlobalSign GCC R3 DV TLS CA 2020
2023-04-12 -
2024-05-13
a year crt.sh

This page contains 2 frames:

Primary Page: https://www.w3schools.com/
Frame ID: F11E31640BABEE1DDFF2AF3D39C07A51
Requests: 53 HTTP requests in this frame

Frame: https://www.w3schools.com/howto/tryhow_js_slideshow_ifr.htm
Frame ID: 34C4D5D7C739F873BA7B2BDEE16FB1D1
Requests: 4 HTTP requests in this frame

Screenshot

Page Title

W3Schools Online Web Tutorials

Page URL History Show full URLs

  1. http://www.w3schools.com/ HTTP 301
    https://www.w3schools.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • /prebid\.js

Page Statistics

59
Requests

100 %
HTTPS

59 %
IPv6

14
Domains

18
Subdomains

17
IPs

4
Countries

1978 kB
Transfer

4875 kB
Size

6
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://www.w3schools.com/ HTTP 301
    https://www.w3schools.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

59 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.w3schools.com/
Redirect Chain
  • http://www.w3schools.com/
  • https://www.w3schools.com/
368 KB
368 KB
Document
General
Full URL
https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/67BD) / ASP.NET
Resource Hash
327600e23955d16c054082b13be0f8f48af3653adb800e6c4218a3a45b18dd31
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

accept-ranges
bytes
age
11254
cache-control
Public,public
content-encoding
gzip
content-length
376769
content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
content-type
text/html
date
Sun, 24 Mar 2024 10:21:30 GMT
expires
Sun, 24 Mar 2024 14:21:30 GMT
last-modified
Sun, 24 Mar 2024 07:13:56 GMT
server
ECS (frb/67BD)
vary
Accept-Encoding
x-cache
HIT
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
x-powered-by
ASP.NET

Redirect headers

Content-Length
134
Content-Type
text/html
Date
Sun, 24 Mar 2024 10:21:30 GMT
Location
https://www.w3schools.com:443/
Server
awselb/2.0
fontawesome.woff2
www.w3schools.com/lib/fonts/
18 KB
18 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/fontawesome.woff2?14663396
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6763) / ASP.NET
Resource Hash
931214df44a73370550755ed5361ca203439e87026166279b7dc965d9ec49418
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
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/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:30 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/6763)
age
11268
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
18652
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-code-pro-v14-latin-regular.woff2
www.w3schools.com/lib/fonts/
13 KB
14 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/source-code-pro-v14-latin-regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6796) / ASP.NET
Resource Hash
4fa06b00a08b094490e4af510172ac96fe28039dfc5aac26c439e2e0232c9cc7
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
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/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:30 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/6796)
age
11266
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
13764
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
roboto-mono-v13-latin-500.woff2
www.w3schools.com/lib/fonts/
12 KB
12 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/roboto-mono-v13-latin-500.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/67F3) / ASP.NET
Resource Hash
34e45e19c86321affecb63210e78cc2b706041dc27ba7074050767805433b5ff
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
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/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:30 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/67F3)
age
11267
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
12488
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-sans-pro-v14-latin-700.woff2
www.w3schools.com/lib/fonts/
15 KB
15 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/source-sans-pro-v14-latin-700.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/674C) / ASP.NET
Resource Hash
24f7e397faec79e62c37ff2f00b170f6dc1557fb46ac169f9f1897a9d641dd03
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
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/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:30 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/674C)
age
11264
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
15764
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
source-sans-pro-v14-latin-600.woff2
www.w3schools.com/lib/fonts/
16 KB
16 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/source-sans-pro-v14-latin-600.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/668D) / ASP.NET
Resource Hash
efb3cdc5e4582fd67dffab6fc6e5062074ce3f8c51747346af944e97749dc309
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
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/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:30 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/668D)
age
11264
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
15948
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
SourceSansPro-Regular.woff2
www.w3schools.com/lib/fonts/
75 KB
76 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/SourceSansPro-Regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/669F) / ASP.NET
Resource Hash
a577ef6bc32e9fb5981b5f75f712fbe2ab208ed841905b06fc41dc943c7ef1dd
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
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/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:30 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/669F)
age
11264
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
77280
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
freckle-face-v9-latin-regular.woff2
www.w3schools.com/lib/fonts/
39 KB
39 KB
Font
General
Full URL
https://www.w3schools.com/lib/fonts/freckle-face-v9-latin-regular.woff2
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6796) / ASP.NET
Resource Hash
9babf1917ae762ae27a3f8ec7704ac57dc4bd5cb86723852aeb53b4857522202
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

Referer
https://www.w3schools.com/
Origin
https://www.w3schools.com
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/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:30 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/6796)
age
11264
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
application/font-woff2
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
39652
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
main.css
www.w3schools.com/lib/topnav/
34 KB
5 KB
Stylesheet
General
Full URL
https://www.w3schools.com/lib/topnav/main.css?v=1.0.31
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/6711) / ASP.NET
Resource Hash
234f5ec90629f5eb95e3838254a33f09d7589330797c2efff77cd7a8f6bcb9ac
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.w3schools.com/
User-Agent
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content-security-policy
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Response headers

content-security-policy
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Response headers

content-security-policy
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Response headers

content-security-policy
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content-encoding
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URL: https://adengine.snigelweb.com/w3schools.com/9652-1711034232736/adngin.js
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H2
Security
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content-encoding
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cloudflare
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Response headers

access-control-allow-origin
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cache-control
public, max-age=60
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vary
origin
apigw-requestid
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URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
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Security
TLS 1.3, , AES_128_GCM
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accept-language
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Response headers

date
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server
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URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
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TLS 1.3, , AES_128_GCM
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Response headers

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via
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server
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x-cache
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Full URL
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Requested by
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URL: https://c.amazon-adsystem.com/aax2/apstag.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Response headers

x-amz-version-id
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content-encoding
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x-amz-cf-pop
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server
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accept-language
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Response headers

date
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content-encoding
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last-modified
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server
Apache
etag
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vary
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content-type
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cache-control
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accept-ranges
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expires
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id5-api.js
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27 KB
Script
General
Full URL
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Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Request headers

accept-language
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User-Agent
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Response headers

date
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strict-transport-security
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cf-ray
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0
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General
Full URL
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H2
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Software
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Response headers

access-control-allow-headers
content-type
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access-control-allow-origin
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TLS 1.2, ECDHE_RSA, AES_128_GCM
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Request headers

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accept-language
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Response headers

access-control-allow-origin
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content-length
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86 KB
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General
Full URL
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H2
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Software
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Request headers

accept-language
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https://www.w3schools.com/
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Response headers

date
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content-encoding
br
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server
cloudflare
etag
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vary
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298 KB
98 KB
Script
General
Full URL
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Request headers

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Response headers

date
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content-encoding
br
strict-transport-security
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vary
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wrap.js
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190 KB
59 KB
Script
General
Full URL
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Protocol
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Request headers

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Response headers

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content-encoding
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server
cloudflare
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adconsent__tcfapi_en.js
cdn.snigelweb.com/adconsent/81/views/gdpr/
94 KB
15 KB
Script
General
Full URL
https://cdn.snigelweb.com/adconsent/81/views/gdpr/adconsent__tcfapi_en.js
Requested by
Host: cdn.snigelweb.com
URL: https://cdn.snigelweb.com/adconsent/81/adconsent__tcfapi.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:af8 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
70586c84423096a90de56dbb1cef1725e8dda3f64b971c6b9ee462eb08949563

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Sun, 24 Mar 2024 10:21:31 GMT
content-encoding
br
cf-cache-status
HIT
age
1634310
x-edge-location
Frankfurt, DE
x-cache
MISS
last-modified
Tue, 05 Mar 2024 12:20:48 GMT
server
cloudflare
etag
W/"177ca-612e8df538a63"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=2419200, must-revalidate, immutable
x-edge-ip
51.195.65.78
cf-ray
8695ef4e6fd85d82-FRA
x-storage
809596973:8001
expires
0
pubads_impl.js
securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202403190101/
438 KB
138 KB
Script
General
Full URL
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202403190101/pubads_impl.js
Requested by
Host: securepubads.g.doubleclick.net
URL: https://securepubads.g.doubleclick.net/tag/js/gpt.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:811::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
1fe53cf7f03d12af875315353f6ab8df7a936fa9e26cbe0c5e2f1dc7269652b8
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.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Sat, 23 Mar 2024 16:56:45 GMT
content-encoding
br
x-content-type-options
nosniff
age
62686
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
141049
x-xss-protection
0
server
cafe
etag
7927512453849819874
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
public, immutable, max-age=31536000
timing-allow-origin
*
expires
Sun, 23 Mar 2025 16:56:45 GMT
w3schools_logo_500_04AA6D.png
www.w3schools.com/images/
16 KB
16 KB
Image
General
Full URL
https://www.w3schools.com/images/w3schools_logo_500_04AA6D.png
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
192.229.133.221 , United States, ASN15133 (EDGECAST, US),
Reverse DNS
Software
ECS (frb/67D3) / ASP.NET
Resource Hash
72a90c039fc6fb99a7f6673407b78e16c1c5db33281efdf53ca26344a9a9098a
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
date
Sun, 24 Mar 2024 10:21:31 GMT
last-modified
Fri, 22 Mar 2024 13:53:34 GMT
server
ECS (frb/67D3)
age
11249
etag
"043aa54607cda1:0"
x-powered-by
ASP.NET
x-cache
HIT
content-type
image/png
cache-control
public,max-age=14400,public
accept-ranges
bytes
content-length
16794
x-content-security-policy
frame-ancestors 'self' https://mycourses.w3schools.com;
collect
region1.analytics.google.com/g/
0
256 B
Ping
General
Full URL
https://region1.analytics.google.com/g/collect?v=2&tid=G-9YNMTB56NB&gtm=45je43k0v9104228927z8846712008za200&_p=1711275690992&_gaz=1&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&tcfd=10001&cid=949748476.1711275691&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&pscdl=noapi&_s=1&sid=1711275691&sct=1&seg=0&dl=https%3A%2F%2Fwww.w3schools.com%2F&dt=W3Schools%20Online%20Web%20Tutorials&en=page_view&_fv=1&_nsi=1&_ss=1&ep.content_group=Other%20Group%2F&tfd=690
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-9YNMTB56NB&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::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.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 24 Mar 2024 10:21:31 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.w3schools.com
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
collect
stats.g.doubleclick.net/g/
0
256 B
Ping
General
Full URL
https://stats.g.doubleclick.net/g/collect?v=2&tid=G-9YNMTB56NB&cid=949748476.1711275691&gtm=45je43k0v9104228927z8846712008za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-9YNMTB56NB&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c07::9d Brussels, Belgium, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 24 Mar 2024 10:21:31 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.w3schools.com
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.de/ads/
42 B
408 B
Image
General
Full URL
https://www.google.de/ads/ga-audiences?v=1&t=sr&slf_rd=1&_r=4&tid=G-9YNMTB56NB&cid=949748476.1711275691&gtm=45je43k0v9104228927z8846712008za200&aip=1&dma=1&dma_cps=sypham&gcd=13l3l3l2l1&npa=1&z=1318253848
Requested by
Host: www.w3schools.com
URL: https://www.w3schools.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::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.w3schools.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 24 Mar 2024 10:21:31 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
json
gum.criteo.com/sid/ Frame
0
0
Preflight
General
Full URL
https://gum.criteo.com/sid/json?origin=prebid&topUrl=https%3A%2F%2Fwww.w3schools.com%2F&domain=www.w3schools.com&lsw=1&us_privacy=1---&gdpr=1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a02:2638:3::c , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Kestrel /
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload;

Request headers

Accept
*/*
Access-Control-Request-Headers
content-type
Access-Control-Request-Method
GET
Origin
https://www.w3schools.com
Sec-Fetch-Mode
cors
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

access-control-allow-credentials
true
access-control-allow-headers
content-type
access-control-allow-methods
GET
access-control-allow-origin
https://www.w3schools.com
cache-control
no-cache, no-store, must-revalidate
content-encoding
gzip
content-type
application/json; charset=utf-8
date
Sun, 24 Mar 2024 10:21:30 GMT
expires
0
pragma
no-cache
server
Kestrel
server-processing-duration-in-ticks
249901
strict-transport-security
max-age=31536000; preload;
vary
Accept-Encoding
json
gum.criteo.com/sid/
2 B
376 B
Fetch
General
Full URL
https://gum.criteo.com/sid/json?origin=prebid&topUrl=https%3A%2F%2Fwww.w3schools.com%2F&domain=www.w3schools.com&lsw=1&us_privacy=1---&gdpr=1
Requested by
Host: cdn.snigelweb.com
URL: https://cdn.snigelweb.com/prebid/8.26.0/prebid.js?v=9652-1711034232736
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a02:2638:3::c , France, ASN44788 (ASN-CRITEO-EUROPE, FR),
Reverse DNS
Software
Kestrel /
Resource Hash
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; preload;

Request headers

Referer
https://www.w3schools.com/
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/122.0.6261.128 Safari/537.36
content-type
application/json

Response headers

pragma
no-cache
date
Sun, 24 Mar 2024 10:21:31 GMT
strict-transport-security
max-age=31536000; preload;
content-encoding
gzip
server
Kestrel
vary
Accept-Encoding
access-control-allow-methods
GET
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.w3schools.com
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
server-processing-duration-in-ticks
273544
expires
0
rid
match.adsrvr.org/track/
63 B
424 B
Fetch
General
Full URL
https://match.adsrvr.org/track/rid?ttd_pid=8p4qh9l&fmt=json
Requested by
Host: cdn.snigelweb.com
URL: https://cdn.snigelweb.com/prebid/8.26.0/prebid.js?v=9652-1711034232736
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
15.197.193.217 Seattle, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
a12b7a488abeaa9e4.awsglobalaccelerator.com
Software
Kestrel /
Resource Hash
4f4786b8e114d8b10a21cba32689e7c2cce09f6753ce8cc8765ce6d1bb127ca2

Request headers

Referer
https://www.w3schools.com/
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/122.0.6261.128 Safari/537.36
content-type
text/plain

Response headers

date
Sun, 24 Mar 2024 10:21:31 GMT
content-encoding
gzip
server
Kestrel
vary
Origin, Accept-Encoding
content-type
application/json
access-control-allow-origin
https://www.w3schools.com
cache-control
private
access-control-allow-credentials
true
access-control-allow-headers
Origin, X-Requested-With, Content-Type, Content-Length, Content-Encoding, Vary, Cache-Control, Accept
expires
Tue, 23 Apr 2024 10:21:31 GMT

Verdicts & Comments Add Verdict or Comment

150 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 object| 4 string| subjectFolder object| dataLayer function| _0x4dd5a4 function| _0x240b function| _0x4094 function| _0x14b344 boolean| k42 object| gptAdSlots object| googletag object| snigelPubConf string| stickyadstatus function| fix_stickyad function| w3_getStyleValue function| Base64Encode function| Base64Decode object| Cookies object| Util object| UserSession object| MyLearning object| MyLearningSaveProgressInfoModal object| array_search_suggestions function| startscrolling_subtopnav function| scrolling_subtopnav function| endscrolling_subtopnav function| pellessii number| scrollspeed undefined| scrollinterval function| scrollmenow number| p_s_l number| x_s_l function| scrollbtn_visible function| stopscrollmenow function| subtopnav_intoview function| amIIntoView number| activate_subtopnav_scroll number| from_scrollpos number| current_scrollpos number| goto_tut function| w3CodeColor function| w3CodeColorize function| openLangTab function| open_search boolean| searchFromBox function| click_learntocode_search_btn function| find_search_results function| click_search_w3schools_link function| key_pressed_in_search function| submit_search_form function| execute_google_search function| secondSnigel object| TopNavBar function| w3_open function| w3_close function| w3_open_nav function| w3_close_nav function| w3_close_all_topnav function| gSearch function| highlightClassicSubNavActiveLinks function| w3sElementAddClass function| w3sElementRemoveClass function| w3sElementContainsClass function| w3sElementTriggerCustomEvent function| w3sScrollToMiddle undefined| k42ResizeFunc number| xbeforeResize number| ybeforeResize number| zbeforeResize number| sbeforeResize number| abeforeResize number| allbeforeResize function| skyscraperResize function| browserResize function| open_menu function| close_menu function| fix_sidemenu function| sidemenuitemintoview function| scrolltop function| xxxchangecodetheme function| changecodetheme function| click_login_btn function| w3_close_all_nav function| activate_example_tab function| searchfield_focus string| addr function| displayError function| hideError function| hideSent function| sendErr function| clickFBLike function| hideFBLike function| googleTranslateElementInit function| printPage function| k42Resizing object| regexppos object| bfnuttpos string| cc string| result function| docReady object| _snigelConfig object| adsbygoogle object| pbjs object| apstag object| adngin function| adconsent function| __tcfapi function| __uspapi function| __adconsent object| argus object| __pubxFloors__ boolean| __pubxLoaded__ boolean| __loadedBeforePb__ object| __pmacCpmHistory__ number| __loadTime__ number| __loadTimestamp__ object| confiant object| pbjsChunk object| _pbjsGlobals object| ADAGIO object| mnet boolean| __pubxLogsEnabled__ object| __pubx__ object| _aps boolean| apstagLOADED object| apscustom object| google_tag_manager object| google_tag_data object| __id5_finalization_registry object| ID5 object| ggeac object| google_js_reporting_queue object| PublisherCommonId object| locale function| pug_attr function| pug_classes function| pug_classes_array function| pug_classes_object function| pug_escape function| pug_has_own_property object| pug_match_html function| callGUITemplate function| renderLegitimateVendors function| renderVendors function| onYouTubeIframeAPIReady object| gaGlobal undefined| google_measure_js_timing

6 Cookies

Domain/Path Name / Value
.snigelweb.com/ Name: __cf_bm
Value: bdgjqBD8hARtIAZVq1DrJZFWEX8BnJ2QjZvrtN50D0w-1711275691-1.0.1.1-5qhmco4BUQVu0ZIQUALGv1LZKwcOfwOQgcSBFt6ykMriGqyasPnMzt_JIBVoXYtw9eJD_o4kGCfl7d_Gw97egw
.w3schools.com/ Name: _ga_9YNMTB56NB
Value: GS1.1.1711275691.1.0.1711275691.60.0.0
.w3schools.com/ Name: _ga
Value: GA1.1.949748476.1711275691
.w3schools.com/ Name: _sharedID
Value: c25bd7ba-5e5b-474a-b011-1354d482b3fa
.w3schools.com/ Name: _sharedID_cst
Value: PSytLDEsog%3D%3D
.w3schools.com/ Name: _sharedID_last
Value: Sun%2C%2024%20Mar%202024%2010%3A21%3A31%20GMT

7 Console Messages

Source Level URL
Text
other warning URL: https://www.w3schools.com/(Line 9381)
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.
other warning URL: https://www.w3schools.com/
Message:
Third-party cookie will be blocked. Learn more in the Issues tab.

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
Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;
X-Content-Security-Policy frame-ancestors 'self' https://mycourses.w3schools.com;

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.

adengine.snigelweb.com
c.amazon-adsystem.com
cdn.confiant-integrations.net
cdn.id5-sync.com
cdn.snigelweb.com
cdnx.snigelweb.com
config.aps.amazon-adsystem.com
floor.pbxai.com
gum.criteo.com
match.adsrvr.org
prod.us-east-1.cxm-bcn.publisher-services.amazon.dev
region1.analytics.google.com
secure.cdn.fastclick.net
securepubads.g.doubleclick.net
stats.g.doubleclick.net
www.google.de
www.googletagmanager.com
www.w3schools.com
108.138.6.136
15.197.193.217
18.184.186.124
18.245.31.65
192.229.133.221
2001:4860:4802:32::36
23.57.19.78
2600:9000:211e:f800:12:7487:7980:93a1
2606:4700:10::ac43:266a
2606:4700:4400::ac40:90a6
2606:4700::6812:af8
2a00:1450:4001:811::2002
2a00:1450:4001:812::2008
2a00:1450:4001:830::2003
2a00:1450:400c:c07::9d
2a02:2638:3::c
44.218.4.160
02234cac8b5f4031bf2ffb8b0b21f5a2775439b4ce8b8a0ebef3f7d15c5d6ffc
06b99248a163333e36980a6cfb756f1a7de60fa49517162b87b1a44d5d48f844
10715a1093ccb0e50232a037a4ed296d0faa889b9238838b8e98dcf2fa3a335c
1208ccdcd88e5e6335cc459bd790db3fa724526dbb0c11db7998d17efaf84d0b
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