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phet.colorado.edu Open in urlscan Pro
2606:4700:3035::6815:49b0  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://phet.colorado.edu/
Effective URL: https://phet.colorado.edu/
Submission: On November 20 via manual from JP — Scanned from JP
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 9 IPs in 2 countries across 7 domains to perform 59 HTTP transactions. The main IP is 2606:4700:3035::6815:49b0, located in United States and belongs to CLOUDFLARENET, US. The main domain is phet.colorado.edu. The Cisco Umbrella rank of the primary domain is 28585.
TLS certificate: Issued by Sectigo RSA Organization Validation S... on April 18th 2024. Valid for: a year.
This is the only time phet.colorado.edu was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

45    2606:4700:3035::6815:49b0 (United States)

ASN13335 (CLOUDFLARENET, US)
phet.colorado.edu
1    2404:6800:4004:80b::200e (Australia)

ASN15169 (GOOGLE, US)
apis.google.com
1    2404:6800:4004:824::200a (Australia)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
1    2606:4700::6810:5049 (United States)

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
2    2404:6800:4004:824::2008 (Australia)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
3    172.217.175.99 (United States)

ASN15169 (GOOGLE, US)
PTR: nrt20s21-in-f3.1e100.net
fonts.gstatic.com
2    2404:6800:4004:810::200e (Australia)

ASN15169 (GOOGLE, US)
www.google-analytics.com
3    128.138.129.34 (Boulder, United States)

ASN104 (COLORADO-AS, US)
PTR: phet-direct.colorado.edu
phet-direct.colorado.edu
Apex Domain
Subdomains		 Transfer
48 colorado.edu
phet.colorado.edu — Cisco Umbrella Rank: 28585
phet-direct.colorado.edu — Cisco Umbrella Rank: 72063
2 MB
3 gstatic.com
fonts.gstatic.com
54 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 36
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 39
180 KB
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 617
7 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 29
1 KB
1 google.com
apis.google.com — Cisco Umbrella Rank: 121
24 KB
59 7
Domain Requested by
45 phet.colorado.edu phet.colorado.edu
static.cloudflareinsights.com
3 phet-direct.colorado.edu phet.colorado.edu
3 fonts.gstatic.com fonts.googleapis.com
2 www.google-analytics.com www.googletagmanager.com
phet.colorado.edu
2 www.googletagmanager.com phet.colorado.edu
www.googletagmanager.com
1 static.cloudflareinsights.com phet.colorado.edu
1 fonts.googleapis.com phet.colorado.edu
1 apis.google.com phet.colorado.edu
59 8
Subject Issuer Validity Valid
phet.colorado.edu
Sectigo RSA Organization Validation Secure Server CA		 2024-04-18 -
2025-05-19		 a year crt.sh
*.apis.google.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
upload.video.google.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
cloudflareinsights.com
WE1		 2024-11-01 -
2025-01-30		 3 months crt.sh
*.google-analytics.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
*.gstatic.com
WR2		 2024-10-21 -
2025-01-13		 3 months crt.sh
phet-direct.colorado.edu
Sectigo RSA Organization Validation Secure Server CA		 2024-08-27 -
2025-09-27		 a year crt.sh

This page contains 1 frames:

Primary Page: https://phet.colorado.edu/
Frame ID: 8AA1EAE32B9CE0391D9912B82DDF7D35
Requests: 60 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

PhET: Free online physics, chemistry, biology, earth science and math simulations

Page URL History Show full URLs

  1. http://phet.colorado.edu/ HTTP 307
    https://phet.colorado.edu/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • apis\.google\.com/js/platform\.js
Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js
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
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
Overall confidence: 100%
Detected patterns
  • apis\.google\.com/js/[a-z]*\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/ns\.html[^>]+></iframe>
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js
Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

59
Requests

98 %
HTTPS

75 %
IPv6

7
Domains

8
Subdomains

9
IPs

2
Countries

2651 kB
Transfer

6298 kB
Size

3
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://phet.colorado.edu/ HTTP 307
    https://phet.colorado.edu/ 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 /
phet.colorado.edu/
Redirect Chain
  • http://phet.colorado.edu/
  • https://phet.colorado.edu/
42 KB
10 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1aad7f80f0be2eb79381d99685d7447af8c8184ccaa219e4082c2c0c6dd3ded0
Security Headers
Name Value
Content-Security-Policy frame-ancestors 'self' openstax.org *.openstax.org
X-Frame-Options SAMEORIGIN

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

age
18176
cache-control
public, max-age=86400, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
cf-cache-status
HIT
cf-ray
8e5650802efb5eb3-NRT
content-encoding
br
content-language
en
content-security-policy
frame-ancestors 'self' openstax.org *.openstax.org
content-type
text/html;charset=UTF-8
date
Wed, 20 Nov 2024 06:17:00 GMT
expires
Wed, 20 Nov 2024 01:59:04 GMT
last-modified
Wed, 20 Nov 2024 01:14:04 GMT
pragma
public
server
cloudflare
server-timing
cfCacheStatus;desc="HIT"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN

Redirect headers

Location
https://phet.colorado.edu/
Non-Authoritative-Reason
HttpsUpgrades
font-awesome.min-4.7.css
phet.colorado.edu/css/font-awesome/css/ 		30 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/css/font-awesome/css/font-awesome.min-4.7.css
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
W/"31000-1728756988000"
age
1824345
cf-ray
8e5650805f1d5eb3-NRT
expires
Fri, 29 Nov 2024 01:03:19 GMT
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
text/css
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
phet-v100-min.css
phet.colorado.edu/css/ 		68 KB
14 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/css/phet-v100-min.css
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d82a753257a98ab9357170aba985bb702087ea5a4819bf2cbd1f429fdfd99b7e

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
W/"69819-1728756990000"
age
1154934
cf-ray
8e5650805f1e5eb3-NRT
expires
Fri, 06 Dec 2024 13:05:14 GMT
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
text/css
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:30 GMT
platform.js
apis.google.com/js/ 		63 KB
24 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://apis.google.com/js/platform.js
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2404:6800:4004:80b::200e , Australia, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
bf37bc3a76a07e8ae57f65f65667ac4627c6204e0b13fcfeb8d83424eeece824
Security Headers
Name Value
Content-Security-Policy require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/gapi-team
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

content-encoding
gzip
etag
"46cb2ef896196242"
report-to
{"group":"gapi-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/gapi-team"}]}
x-content-type-options
nosniff
expires
Wed, 20 Nov 2024 06:17:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
text/javascript
vary
Accept-Encoding
content-security-policy
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/gapi-team
cache-control
private, max-age=1800, stale-while-revalidate=1800
timing-allow-origin
*
cross-origin-opener-policy
same-origin; report-to="gapi-team"
cross-origin-resource-policy
cross-origin
accept-ranges
bytes
access-control-allow-origin
*
content-length
24187
x-xss-protection
0
server
sffe
css2
fonts.googleapis.com/ 		9 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2404:6800:4004:824::200a , Australia, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
8e878b38c0c357b63eb23d45c6182fd4f1ac0e92a5601a7e27f04edcfad5b4af
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

content-encoding
gzip
x-content-type-options
nosniff
expires
Wed, 20 Nov 2024 06:17:00 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
text/css; charset=utf-8
vary
Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified
Wed, 20 Nov 2024 05:21:55 GMT
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=31536000
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
cross-origin-opener-policy
same-origin-allow-popups
cross-origin-resource-policy
cross-origin
access-control-allow-origin
*
x-xss-protection
0
server
ESF
phet-logo-trademarked.png
phet.colorado.edu/images/ 		21 KB
21 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/images/phet-logo-trademarked.png
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
523d1b07910bb61a1242348bd729bd59defe7ed69d4ba88f874dca9573631d24

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
HIT
etag
W/"21138-1728756988000"
age
1691112
cf-ray
8e5650805f1f5eb3-NRT
expires
Sat, 30 Nov 2024 15:44:08 GMT
accept-ranges
bytes
content-length
21138
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
image/png
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
cu_logo.png
phet.colorado.edu/images/logos/ 		10 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/images/logos/cu_logo.png
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
05dbd25acfa592754ae2f16bfe42d32c77476f50ec59f6b2ed8b94e6096d46cd

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
HIT
etag
W/"9907-1728756988000"
age
1160300
cf-ray
8e5650805f215eb3-NRT
expires
Fri, 06 Dec 2024 05:03:46 GMT
accept-ranges
bytes
content-length
9907
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
image/png
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
Update_profile_popup.png
phet.colorado.edu/images/ 		13 KB
13 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/images/Update_profile_popup.png
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7f27eb9b7ecac54311825e50ab4fa67f193da2e4ee255e2b93929b0e43bea78e

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
HIT
etag
W/"13551-1728756988000"
age
1573768
cf-ray
8e5650807f325eb3-NRT
expires
Mon, 02 Dec 2024 01:07:32 GMT
accept-ranges
bytes
content-length
13551
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
image/png
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
search-icon.png
phet.colorado.edu/images/icons/ 		1 KB
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/images/icons/search-icon.png
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d52524bd76b7652cd0e4d5f911a69581ac06fec4a9ae4d3a56e4aaae348bb15f

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
HIT
etag
W/"1276-1728756988000"
age
1064083
cf-ray
8e5650807f345eb3-NRT
expires
Sat, 07 Dec 2024 21:06:59 GMT
accept-ranges
bytes
content-length
1276
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
image/png
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
font-awesome.min-4.7.css
phet.colorado.edu/_m/css/font-awesome/css/ 		30 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/_m/css/font-awesome/css/font-awesome.min-4.7.css
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=0, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
content-encoding
gzip
cf-cache-status
REVALIDATED
etag
W/"e4db21387d5224ca1bd8e208f81b0f831a4288c4"
cf-ray
8e5650808f445eb3-NRT
accept-ranges
bytes
content-length
7061
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
text/css; charset=utf-8
vary
Accept-Encoding
server
cloudflare
phet-app41.css
phet.colorado.edu/assets/css/ 		243 KB
33 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/assets/css/phet-app41.css
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0c3347cb2295b0c36af328032de1df9862f8a4aee8a7caa85d515512fe31a062

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
gzip
cf-cache-status
HIT
etag
"3cc53-625f3bbf61bc3-gzip"
age
27812
cf-ray
8e5650808f4a5eb3-NRT
expires
Wed, 20 Nov 2024 22:33:28 GMT
accept-ranges
bytes
content-length
33232
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
text/css
vary
Cookie,Accept-Encoding
server
cloudflare
last-modified
Sat, 02 Nov 2024 20:17:01 GMT
752d64ef565f685de80c20807a392502df74924c.js
phet.colorado.edu/_m/ 		3 MB
942 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
Requested by
Host: phet.colorado.edu
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Protocol
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TLS 1.3, , AES_128_GCM
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Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
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cloudflare
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7 KB 		Script
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https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:5049 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://phet.colorado.edu
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=86400
content-encoding
gzip
etag
W/"2024.6.1"
cross-origin-resource-policy
cross-origin
cf-ray
8e5650810a77db4c-NRT
access-control-allow-origin
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date
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content-type
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vary
Accept-Encoding
server
cloudflare
badge.svg
phet.colorado.edu/images/ios-app-store-badges/US/ 		12 KB
5 KB 		Image
General
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Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
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date
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content-type
image/svg+xml
vary
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server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
play_store_badge.png
phet.colorado.edu/images/ 		14 KB
14 KB 		Image
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
HIT
etag
W/"14059-1728756988000"
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accept-ranges
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date
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content-type
image/png
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
devices.svg
phet.colorado.edu/images/ 		586 B
511 B 		Image
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
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date
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content-type
image/svg+xml
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
Moore_Foundation_logo_footer-01.png
phet.colorado.edu/images/support/ 		6 KB
6 KB 		Image
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Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

cache-control
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cf-cache-status
HIT
etag
W/"6147-1728756988000"
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date
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content-type
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vary
Accept-Encoding
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cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
NSF_logo_footer-01.png
phet.colorado.edu/images/support/ 		11 KB
11 KB 		Image
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Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
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Response headers

cache-control
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cf-cache-status
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etag
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content-type
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vary
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cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
hewlett-greyscale.svg
phet.colorado.edu/images/support/ 		7 KB
3 KB 		Image
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
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content-encoding
br
cf-cache-status
HIT
etag
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age
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expires
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date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
image/svg+xml
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
yidan-footer.png
phet.colorado.edu/images/support/ 		4 KB
5 KB 		Image
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https://phet.colorado.edu/images/support/yidan-footer.png
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
HIT
etag
W/"4524-1728756988000"
age
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cf-ray
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expires
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accept-ranges
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date
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content-type
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vary
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server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
mastercard-footer.svg
phet.colorado.edu/images/support/ 		7 KB
3 KB 		Image
General
Check archive.org
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
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Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

cache-control
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content-encoding
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cf-cache-status
HIT
etag
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date
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content-type
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last-modified
Sat, 12 Oct 2024 18:16:28 GMT
phet-logo-trademarked-black.png
phet.colorado.edu/images/ 		14 KB
14 KB 		Image
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Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
HIT
etag
W/"14597-1728756988000"
age
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expires
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date
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content-type
image/png
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
jquery-3.3.1.min.js
phet.colorado.edu/js/ 		85 KB
31 KB 		Script
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https://phet.colorado.edu/js/jquery-3.3.1.min.js
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
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cf-ray
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expires
Wed, 04 Dec 2024 02:04:08 GMT
date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
application/javascript
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
phet-v61-min.js
phet.colorado.edu/js/ 		30 KB
10 KB 		Script
General
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https://phet.colorado.edu/js/phet-v61-min.js
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
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cf-ray
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expires
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date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
application/javascript
vary
Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:30 GMT
gtm.js
www.googletagmanager.com/ 		220 KB
77 KB 		Script
General
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https://www.googletagmanager.com/gtm.js?id=GTM-WLNGBXD
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2404:6800:4004:824::2008 , Australia, ASN15169 (GOOGLE, US),
Reverse DNS
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Resource Hash
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Security Headers
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

content-encoding
br
report-to
{"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascgcycc:1080:0"}],}
expires
Wed, 20 Nov 2024 06:17:00 GMT
alt-svc
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date
Wed, 20 Nov 2024 06:17:00 GMT
content-type
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last-modified
Wed, 20 Nov 2024 06:00:00 GMT
access-control-allow-headers
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cache-control
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content-security-policy-report-only
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access-control-allow-origin
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cross-origin-opener-policy-report-only
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content-length
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x-xss-protection
0
server
Google Tag Manager
KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v32/ 		18 KB
18 KB 		Font
General
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https://fonts.gstatic.com/s/roboto/v32/KFOmCnqEu92Fr1Mu4mxK.woff2
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Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap
Protocol
H3
Security
QUIC, , AES_128_GCM
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Software
sffe /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://phet.colorado.edu
Referer
https://fonts.googleapis.com/

Response headers

age
356843
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options
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expires
Sun, 16 Nov 2025 03:09:37 GMT
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Sat, 16 Nov 2024 03:09:37 GMT
last-modified
Thu, 01 Aug 2024 20:41:24 GMT
content-type
font/woff2
cache-control
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timing-allow-origin
*
cross-origin-opener-policy
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*
content-length
18536
x-xss-protection
0
server
sffe
js
www.googletagmanager.com/gtag/ 		302 KB
103 KB 		Script
General
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https://www.googletagmanager.com/gtag/js?id=G-4EVJVBSTB9&l=dataLayer&cx=c&gtm=45He4bj0v892951130za200
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-WLNGBXD
Protocol
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Security
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Request headers

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Response headers

content-encoding
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Full URL
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General
Check archive.org
Download Go to
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https://phet.colorado.edu/_m/css/font-awesome/fonts/fontawesome-webfont.woff2?v=4.7.0
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age
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271 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/services/translated-strings?keys=phetModal.altText.close&locale=en
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Check archive.org
Download Go to
Full URL
https://phet-direct.colorado.edu/user/check-login
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Referer
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Response headers

Vary
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close
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Express
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33 KB 		Stylesheet
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Check archive.org
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https://phet.colorado.edu/assets/css/phet-app41.css
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Host: phet.colorado.edu
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Referer
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cache-control
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server
cloudflare
last-modified
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translated-strings
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434 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/services/translated-strings?keys=signIn.header.signIn,signIn.email,signIn.password,signIn.resetYourPassword,signIn.needAccount,signIn.register,signIn.logInWithClever,signIn.resendConfirmation,login.error.authenticationFailed,login.error.emailRequired,login.error.passwordRequired,signIn.showPassword,signIn.hidePassword,offlineAccess.dialog.maybeLater&locale=en
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H2
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Referer
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Response headers

last-modified
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cache-control
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vary
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server
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content-language
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translated-strings
phet.colorado.edu/services/ 		4 KB
2 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/services/translated-strings?keys=accessibility.a11yDescription,accessibility.experienceSTEM,accessibility.exploreSims,home.about.interactiveSimulations,home.playWithASim,home.statistics.interactiveSimulations,home.statistics.languageTranslations,home.statistics.teacherSubmittedLessons,home.teachingDescription,home.teachingResourcesActivitiesCommunity,home.whatIsPhet.buzzwords,home.whatIsPhet.description,register.main.registerNow,home.statistics.overNBillionSimsDelivered,home.about.alongWithOurSponsors,home.about.phetIsSupportedInPartBy,donation-banner.donateNow,nav.physics,nav.motion,nav.sound-and-waves,nav.work-energy-and-power,nav.heat-and-thermodynamics,nav.quantum-phenomena,nav.light-and-radiation,nav.electricity-magnets-and-circuits,nav.chemistry,nav.general,nav.quantum,nav.math-and-statistics,nav.mathconcepts,nav.mathapplications,nav.earth-and-space,nav.biology,nav.elementary-school,nav.middle-school,nav.high-school,nav.university,nav.html,nav.java,nav.flash,nav.cheerpj,nav.phet,nav.prototype,nav.community,nav.accessibility,nav.alternative-input,nav.interactive-description,nav.interactive-description-ios,nav.sound-and-sonification,nav.zoom-and-magnification,nav.voicing,nav.interactive-highlights,nav.camera-input,nav.custom-gesture,nav.discussion-prompts,nav.interactive-demonstration,nav.concept-questions,nav.activity-sheet,nav.whole-class,nav.small-group,nav.individual,nav.lab,nav.homework,nav.remote-learning,nav.0,nav.30,nav.60,nav.90,nav.greater-90,nav.goldStar,nav.fromPhet&locale=en
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
Protocol
H2
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TLS 1.3, , AES_128_GCM
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Software
cloudflare /
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

last-modified
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cache-control
public, max-age=86400, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
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vary
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server
cloudflare
content-language
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translated-strings
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180 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/services/translated-strings?keys=main.timeoutMessage&locale=en
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
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H2
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TLS 1.3, , AES_128_GCM
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2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

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last-modified
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cache-control
public, max-age=86400, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
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content-type
application/json
vary
Accept-Encoding
server
cloudflare
content-language
en
statistics
phet.colorado.edu/services/metadata/ 		109 B
200 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/services/metadata/statistics
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
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TLS 1.3, , AES_128_GCM
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Software
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

last-modified
Tue, 19 Nov 2024 14:48:27 GMT
cache-control
public, max-age=86400, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
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content-type
application/json
vary
Accept-Encoding
server
cloudflare
content-language
en
physics-icon.svg
phet.colorado.edu/assets/img/ 		3 KB
942 B 		Image
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Full URL
https://phet.colorado.edu/assets/img/physics-icon.svg
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
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expires
Wed, 20 Nov 2024 23:25:24 GMT
date
Wed, 20 Nov 2024 06:17:01 GMT
content-type
image/svg+xml
vary
Cookie, Accept-Encoding
server
cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
math-and-statistics-icon.svg
phet.colorado.edu/assets/img/ 		706 B
516 B 		Image
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https://phet.colorado.edu/assets/img/math-and-statistics-icon.svg
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
content-encoding
br
cf-cache-status
HIT
etag
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Thu, 21 Nov 2024 00:03:39 GMT
date
Wed, 20 Nov 2024 06:17:01 GMT
content-type
image/svg+xml
vary
Cookie, Accept-Encoding
server
cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
chemistry-icon.svg
phet.colorado.edu/assets/img/ 		3 KB
1 KB 		Image
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https://phet.colorado.edu/assets/img/chemistry-icon.svg
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
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Referer
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Response headers

cache-control
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content-encoding
br
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date
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content-type
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Cookie, Accept-Encoding
server
cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
earth-and-space-icon.svg
phet.colorado.edu/assets/img/ 		1 KB
841 B 		Image
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
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content-encoding
br
cf-cache-status
HIT
etag
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date
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content-type
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vary
Cookie, Accept-Encoding
server
cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
biology-icon.svg
phet.colorado.edu/assets/img/ 		3 KB
1 KB 		Image
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

cache-control
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content-encoding
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cf-cache-status
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date
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content-type
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Cookie, Accept-Encoding
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cloudflare
last-modified
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interact-discover-learn.png
phet.colorado.edu/assets/img/ 		8 KB
8 KB 		Image
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
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cf-cache-status
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content-type
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cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
interactive-icon.png
phet.colorado.edu/assets/img/ 		3 KB
3 KB 		Image
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-cache-status
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etag
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cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
languages-icon.png
phet.colorado.edu/assets/img/ 		2 KB
2 KB 		Image
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
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Referer
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cache-control
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cf-cache-status
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server
cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
lessons-icon.png
phet.colorado.edu/assets/img/ 		1 KB
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
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Referer
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Response headers

cache-control
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cf-cache-status
HIT
etag
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date
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content-type
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server
cloudflare
last-modified
Sat, 02 Nov 2024 20:17:04 GMT
simulations.jpg
phet.colorado.edu/assets/img/ 		276 KB
276 KB 		Image
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Host: phet.colorado.edu
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
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Referer
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Response headers

cache-control
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cf-bgj
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etag
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vary
Cookie, Accept-Encoding
server
cloudflare
teachers.jpg
phet.colorado.edu/assets/img/ 		211 KB
212 KB 		Image
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/assets/css/phet-app41.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
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Referer
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cache-control
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last-modified
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vary
Cookie, Accept-Encoding
server
cloudflare
accessibility.jpg
phet.colorado.edu/assets/img/ 		528 KB
528 KB 		Image
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https://phet.colorado.edu/assets/img/accessibility.jpg
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/assets/css/phet-app41.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
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cloudflare /
Resource Hash
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Request headers

User-Agent
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Referer
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Response headers

cache-control
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etag
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content-type
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vary
Cookie, Accept-Encoding
server
cloudflare
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18 KB 		Font
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https://fonts.gstatic.com/s/roboto/v32/KFOlCnqEu92Fr1MmWUlfBBc4.woff2
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Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap
Protocol
H3
Security
QUIC, , AES_128_GCM
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sffe /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Origin
https://phet.colorado.edu
Referer
https://fonts.googleapis.com/

Response headers

age
338681
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options
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expires
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alt-svc
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date
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last-modified
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*
content-length
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x-xss-protection
0
server
sffe
supporters
phet.colorado.edu/_m/services/ 		22 KB
5 KB 		XHR
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https://phet.colorado.edu/_m/services/supporters?nonce=vqurdvaituq
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
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gzip
cf-cache-status
BYPASS
cf-ray
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accept-ranges
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date
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content-type
application/json
vary
Accept-Encoding
server
cloudflare
truncated
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data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
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Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer

Response headers

Content-Type
image/gif
plus-icon.png
phet.colorado.edu/images/icons/ 		412 B
618 B 		Image
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
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cf-cache-status
HIT
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W/"412-1728756988000"
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Accept-Encoding
server
cloudflare
last-modified
Sat, 12 Oct 2024 18:16:28 GMT
rum
phet.colorado.edu/cdn-cgi/ 		0
183 B 		XHR
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Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
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H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

User-Agent
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content-type
application/json
Referer
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Response headers

access-control-max-age
86400
access-control-allow-credentials
true
access-control-allow-methods
POST,OPTIONS
x-content-type-options
nosniff
cf-ray
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date
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vary
Origin
server
cloudflare
x-frame-options
DENY
favicon.ico
phet.colorado.edu/ 		4 KB
1 KB 		Other
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https://phet.colorado.edu/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
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cloudflare /
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Request headers

User-Agent
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Referer
https://phet.colorado.edu/

Response headers

cache-control
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content-encoding
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server
cloudflare
last-modified
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HHMI2.jpg
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67 KB 		Image
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:3035::6815:49b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
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Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
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Response headers

cache-control
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etag
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cloudflare
check-login
phet-direct.colorado.edu/user/ 		18 B
736 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://phet-direct.colorado.edu/user/check-login
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
128.138.129.34 Boulder, United States, ASN104 (COLORADO-AS, US),
Reverse DNS
phet-direct.colorado.edu
Software
Apache / Express
Resource Hash
8aa06759da6af9878325a7b76e0c2a27516b85ca0022c140bd02d236e4ce81e5

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

Vary
Accept-Encoding
ETag
W/"12-5Ti4RxX6tW4QHCzTPHbTwIiTtA8"
Access-Control-Allow-Credentials
true
Access-Control-Allow-Methods
GET,POST,PUT,DELETE,OPTIONS
Access-Control-Allow-Origin
https://phet.colorado.edu
Content-Length
18
Date
Wed, 20 Nov 2024 06:17:02 GMT
Content-Type
application/json; charset=utf-8
X-Powered-By
Express
Server
Apache
Access-Control-Allow-Headers
Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With, Pragma, Cache-Control
check-login
phet-direct.colorado.edu/user/ 		18 B
736 B 		Fetch
General
Check archive.org
Download Go to
Full URL
https://phet-direct.colorado.edu/user/check-login
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
128.138.129.34 Boulder, United States, ASN104 (COLORADO-AS, US),
Reverse DNS
phet-direct.colorado.edu
Software
Apache / Express
Resource Hash
8aa06759da6af9878325a7b76e0c2a27516b85ca0022c140bd02d236e4ce81e5

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

Vary
Accept-Encoding
ETag
W/"12-5Ti4RxX6tW4QHCzTPHbTwIiTtA8"
Access-Control-Allow-Credentials
true
Access-Control-Allow-Methods
GET,POST,PUT,DELETE,OPTIONS
Access-Control-Allow-Origin
https://phet.colorado.edu
Content-Length
18
Date
Wed, 20 Nov 2024 06:17:02 GMT
Content-Type
application/json; charset=utf-8
X-Powered-By
Express
Server
Apache
Access-Control-Allow-Headers
Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With, Pragma, Cache-Control
collect
www.google-analytics.com/g/ 		0
0 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/g/collect?v=2&tid=G-4EVJVBSTB9&gtm=45je4bj0v890910339za200zb892951130&_p=1732083420237&gcs=G101&gcd=13p3t3l3l5l1&npa=0&dma=0&tag_exp=101925629~102067555~102067808~102077855~102081485&cid=609170873.1732083421&ul=ja-jp&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&are=1&frm=0&pscdl=denied&_eu=AEA&_s=2&sid=1732083420&sct=1&seg=0&dl=https%3A%2F%2Fphet.colorado.edu%2F&dt=PhET%3A%20Free%20online%20physics%2C%20chemistry%2C%20biology%2C%20earth%20science%20and%20math%20simulations&en=scroll&ep.content_group=Other&epn.percent_scrolled=90&_et=5&tfd=5493
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/752d64ef565f685de80c20807a392502df74924c.js?meteor_js_resource=true
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2404:6800:4004:810::200e , Australia, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer
https://phet.colorado.edu/

Response headers

cache-control
no-cache, no-store, must-revalidate
pragma
no-cache
cross-origin-resource-policy
cross-origin
access-control-allow-credentials
true
content-security-policy-report-only
script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:86:0
report-to
{"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsggc:86:0"}],}
expires
Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin
https://phet.colorado.edu
cross-origin-opener-policy-report-only
same-origin; report-to=coop_reporting
content-length
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date
Wed, 20 Nov 2024 06:17:05 GMT
content-type
text/plain
server
Golfe2

Failed requests

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

Domain
phet.colorado.edu
URL
https://phet.colorado.edu/_m/sockjs/info?t=1732083421207

Verdicts & Comments Add Verdict or Comment

49 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.

function| gtag object| dataLayer function| initBreakpoint number| isLargeViewInterval string| phetSimulationString object| phet object| google_tag_manager object| google_tag_data object| gapi object| ___jsl function| onYouTubeIframeAPIReady object| gaGlobal object| __meteor_runtime_config__ function| require object| Package object| process function| ___INIT_METEOR_FAST_REFRESH object| regeneratorRuntime object| Mongo function| ReactiveVar object| Tracker object| Deps function| ValidatedMethod function| _ object| HTTP object| WebApp object| Counts object| DocHead object| Collection2 object| Meteor object| global object| meteorEnv object| DDP function| meteorInstall object| meteorBabelHelpers object| Autoupdate object| Reload string| __reactRouterVersion number| placeholderInterval number| cleverInterval function| $ function| jQuery number| jQueryReadyInterval object| __cfBeacon object| settings function| openReactLogin function| logout function| checkLogin object| Modernizr

3 Cookies

Domain/Path Name / Value
.colorado.edu/ Name: _ga
Value: GA1.1.609170873.1732083421
.colorado.edu/ Name: _ga_4EVJVBSTB9
Value: GS1.1.1732083420.1.0.1732083420.0.0.0
.colorado.edu/ Name: phet-common-info
Value: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJsb2dnZWRJbiI6ZmFsc2UsImlhdCI6MTczMjA4MzQyMiwiZXhwIjoxNzM0NzE4NjIyfQ.PG7XFnYpaXUVMnRH-qbckdTwyfv9s8mJcb4W4FYdC_I

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' openstax.org *.openstax.org
X-Frame-Options SAMEORIGIN

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.

apis.google.com
fonts.googleapis.com
fonts.gstatic.com
phet-direct.colorado.edu
phet.colorado.edu
static.cloudflareinsights.com
www.google-analytics.com
www.googletagmanager.com
phet.colorado.edu
128.138.129.34
172.217.175.99
2404:6800:4004:80b::200e
2404:6800:4004:810::200e
2404:6800:4004:824::2008
2404:6800:4004:824::200a
2606:4700:3035::6815:49b0
2606:4700::6810:5049
020ffa3b0227d0c2eb0ca650a57b75f36fbccf2640ae70259eb23fb827e83576
05dbd25acfa592754ae2f16bfe42d32c77476f50ec59f6b2ed8b94e6096d46cd
0c3347cb2295b0c36af328032de1df9862f8a4aee8a7caa85d515512fe31a062
160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef
1aad7f80f0be2eb79381d99685d7447af8c8184ccaa219e4082c2c0c6dd3ded0
1e85ec81b9800b4c443d39caca0d0926089a3ac201120db1ceb45b93789480b8
216bdd05624868d92f9b30efa2bd7d68a5c21c15b5dac0356d0a5a5133906103
2203f21f0d2277af27dc1717f4a5e58c9ecd3ada9f30dac10c65285d07109cac
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe
2c0ecb4962dcce153a561e75bf2d86290a463c136aacc6857c512e80a125db9e
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3df4c0ca3547af83e29f898d6d76e29c13c3f444c798adda86b98b0b58964056
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416987b1c57df7255dd31b6a214961e71fc6f8bd7e5d00680dbbf8ec60080a75
481f7d043a4a9f16bfa1260487b9933205c5929f6fa22a7fc2ceb7da5e811dad
4cfabcfdbec9a5cd903190f150028743f38c3533b53ea21c6e4dd35a52a80383
4dbd328e347e890a801d51f9a5f8d38a3efd51ec34c0aa22cc83d0a95d6d9d71
523d1b07910bb61a1242348bd729bd59defe7ed69d4ba88f874dca9573631d24
55b4b2593cd2ea0f5788219d205d1a821463f129a3203eda97d8bf37708e3d28
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5f6b7c23d92d81922024359955f5181f67575757db46d01551ab877aaa092247
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7ea3922442fe336adbf1ba9e36d8414633561ea54d8e3bf22a63792ab12e9bb0
7f27eb9b7ecac54311825e50ab4fa67f193da2e4ee255e2b93929b0e43bea78e
873bb6518ebe6a29e4ce45ffe088874ec34d45dc079290ba5e8e6f9f1986aae6
887646886c2522b80919622c95dad1aed099a8b915659cbaeee8447287fe1443
89978e658e840b927dddb5cb3a835c7d8526ece79933bd9f3096b301fe1a8571
8a18d13015336bc184819a5a768447462202ef3105ec511bf42ed8304a7ed94f
8aa06759da6af9878325a7b76e0c2a27516b85ca0022c140bd02d236e4ce81e5
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