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phet.colorado.edu Open in urlscan Pro
172.67.191.20  Public Scan

Go To Rescan Add Verdict Report
URL: https://phet.colorado.edu/
Submission: On September 03 via manual from DE — Scanned from IT
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 9 IPs in 2 countries across 7 domains to perform 56 HTTP transactions. The main IP is 172.67.191.20, 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 397985.
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

IP Address AS Autonomous System
44 172.67.191.20 13335 (CLOUDFLAR...)
1 142.250.186.142 15169 (GOOGLE)
1 142.250.184.202 15169 (GOOGLE)
1 104.16.80.73 13335 (CLOUDFLAR...)
2 142.250.185.168 15169 (GOOGLE)
3 172.217.18.3 15169 (GOOGLE)
1 172.217.18.14 15169 (GOOGLE)
2 128.138.129.34 104 (COLORADO-AS)
56 9
44    172.67.191.20 (United States)

ASN13335 (CLOUDFLARENET, US)
phet.colorado.edu
1    142.250.186.142 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s07-in-f14.1e100.net
apis.google.com
1    142.250.184.202 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s11-in-f10.1e100.net
fonts.googleapis.com
1    104.16.80.73 (None, )

ASN13335 (CLOUDFLARENET, US)
static.cloudflareinsights.com
2    142.250.185.168 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s51-in-f8.1e100.net
www.googletagmanager.com
3    172.217.18.3 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s22-in-f3.1e100.net
fonts.gstatic.com
1    172.217.18.14 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s22-in-f14.1e100.net
www.google-analytics.com
2    128.138.129.34 (Boulder, United States)

ASN104 (COLORADO-AS, US)
PTR: phet-direct.colorado.edu
phet-direct.colorado.edu
Apex Domain
Subdomains		 Transfer
46 colorado.edu
phet.colorado.edu — Cisco Umbrella Rank: 397985
phet-direct.colorado.edu
2 MB
3 gstatic.com
fonts.gstatic.com
55 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 112
171 KB
1 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 104
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 1223
7 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 110
1 KB
1 google.com
apis.google.com — Cisco Umbrella Rank: 225
25 KB
56 7
Domain Requested by
44 phet.colorado.edu phet.colorado.edu
static.cloudflareinsights.com
3 fonts.gstatic.com fonts.googleapis.com
2 phet-direct.colorado.edu phet.colorado.edu
2 www.googletagmanager.com phet.colorado.edu
www.googletagmanager.com
1 www.google-analytics.com phet.colorado.edu
1 static.cloudflareinsights.com phet.colorado.edu
1 fonts.googleapis.com phet.colorado.edu
1 apis.google.com phet.colorado.edu
56 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		 2024-08-05 -
2024-10-28		 3 months crt.sh
upload.video.google.com
WR2		 2024-08-05 -
2024-10-28		 3 months crt.sh
cloudflareinsights.com
WE1		 2024-07-06 -
2024-10-04		 3 months crt.sh
*.google-analytics.com
WR2		 2024-08-05 -
2024-10-28		 3 months crt.sh
*.gstatic.com
WR2		 2024-08-05 -
2024-10-28		 3 months crt.sh
phet-direct.colorado.edu
Sectigo RSA Organization Validation Secure Server CA		 2023-08-24 -
2024-09-23		 a year crt.sh

This page contains 1 frames:

Primary Page: https://phet.colorado.edu/
Frame ID: EBC788AE72F3A22BFCD394B4FDB32A4F
Requests: 57 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

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

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

56
Requests

98 %
HTTPS

0 %
IPv6

7
Domains

8
Subdomains

9
IPs

2
Countries

2476 kB
Transfer

5640 kB
Size

2
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

56 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
phet.colorado.edu/ 		41 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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b275ff628317950db81a06a4c853c1cef27e2bfd3fb0a022f54561867816224f
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/128.0.0.0 Safari/537.36

Response headers

age
74682
cache-control
public, max-age=86400, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
cf-cache-status
HIT
cf-ray
8bd43c469daabe90-ZRH
content-encoding
br
content-language
en
content-security-policy
frame-ancestors 'self' openstax.org *.openstax.org
content-type
text/html;charset=UTF-8
date
Tue, 03 Sep 2024 08:05:33 GMT
expires
Tue, 03 Sep 2024 00:59:11 GMT
last-modified
Mon, 02 Sep 2024 11:20:51 GMT
pragma
public
server
cloudflare
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Thu, 22 Aug 2024 03:19:12 GMT
server
cloudflare
age
760896
etag
W/"31000-1724296752000"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-ray
8bd43c486fa9be90-ZRH
expires
Tue, 24 Sep 2024 02:38:31 GMT
phet-v97-min.css
phet.colorado.edu/css/ 		73 KB
15 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/css/phet-v97-min.css
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
efc23fd42ea6810bc88b05d18695deaebbbc81b504fa0d449d963b45b46266f2

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:58 GMT
server
cloudflare
age
2463237
etag
W/"75033-1722293038000"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-ray
8bd43c486fabbe90-ZRH
expires
Wed, 04 Sep 2024 07:36:33 GMT
platform.js
apis.google.com/js/ 		64 KB
25 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
142.250.186.142 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra24s07-in-f14.1e100.net
Software
sffe /
Resource Hash
f17841f7546d0e9a24a7a7ad7d0d08ef7bd6d886197dddcd077add8ebdc206ea
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

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

content-security-policy
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/gapi-team
content-encoding
gzip
x-content-type-options
nosniff
date
Tue, 03 Sep 2024 08:05:35 GMT
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
24574
x-xss-protection
0
server
sffe
cross-origin-opener-policy
same-origin; report-to="gapi-team"
etag
"d493b11c4ac7b817"
vary
Accept-Encoding
report-to
{"group":"gapi-team","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/gapi-team"}]}
content-type
text/javascript
access-control-allow-origin
*
cache-control
private, max-age=1800, stale-while-revalidate=1800
accept-ranges
bytes
timing-allow-origin
*
expires
Tue, 03 Sep 2024 08:05:35 GMT
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
142.250.184.202 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra24s11-in-f10.1e100.net
Software
ESF /
Resource Hash
6f6c7e21a033ba788d3c4ab39fd8a313607ecc2e60118e127970e47d45a97228
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

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Tue, 03 Sep 2024 07:16:46 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Tue, 03 Sep 2024 08:05:34 GMT
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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
523d1b07910bb61a1242348bd729bd59defe7ed69d4ba88f874dca9573631d24

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:56 GMT
server
cloudflare
age
2162043
etag
W/"21138-1722293036000"
vary
Accept-Encoding
content-type
image/png
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c486facbe90-ZRH
content-length
21138
expires
Sat, 07 Sep 2024 17:06:58 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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
05dbd25acfa592754ae2f16bfe42d32c77476f50ec59f6b2ed8b94e6096d46cd

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
Thu, 22 Aug 2024 03:19:12 GMT
server
cloudflare
age
323056
etag
W/"9907-1724296752000"
vary
Accept-Encoding
content-type
image/png
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c486fadbe90-ZRH
content-length
9907
expires
Sun, 29 Sep 2024 01:24:21 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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7f27eb9b7ecac54311825e50ab4fa67f193da2e4ee255e2b93929b0e43bea78e

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:56 GMT
server
cloudflare
age
1902883
etag
W/"13551-1722293036000"
vary
Accept-Encoding
content-type
image/png
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c4a19c2be90-ZRH
content-length
13551
expires
Tue, 10 Sep 2024 16:03:20 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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d52524bd76b7652cd0e4d5f911a69581ac06fec4a9ae4d3a56e4aaae348bb15f

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
Thu, 22 Aug 2024 03:19:12 GMT
server
cloudflare
age
82731
etag
W/"1276-1724296752000"
vary
Accept-Encoding
content-type
image/png
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c4a29d7be90-ZRH
content-length
1276
expires
Wed, 02 Oct 2024 01:27:11 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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:35 GMT
content-encoding
gzip
cf-cache-status
REVALIDATED
server
cloudflare
etag
W/"e4db21387d5224ca1bd8e208f81b0f831a4288c4"
vary
Accept-Encoding
content-type
text/css; charset=UTF-8
cache-control
public, max-age=0, stale-if-error=5184000, stale-while-revalidate=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c4a9ababe90-ZRH
content-length
7061
phet-app35.css
phet.colorado.edu/assets/css/ 		194 KB
27 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/assets/css/phet-app35.css
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4fe28d1d91869251d244367333a07857660f54628ad956a7da48cbc0e1eb5896

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
gzip
cf-cache-status
HIT
last-modified
Fri, 12 Jul 2024 23:37:58 GMT
server
cloudflare
age
52345
etag
"3096b-61d155e98cd57-gzip"
vary
Cookie,Accept-Encoding
content-type
text/css
cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c4aaacdbe90-ZRH
content-length
27032
expires
Tue, 03 Sep 2024 17:33:08 GMT
a90f906141d82cbafccf49a6dfff8a18ffc0939f.js
phet.colorado.edu/_m/ 		3 MB
814 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/_m/a90f906141d82cbafccf49a6dfff8a18ffc0939f.js?meteor_js_resource=true
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1365d2f924663c9b2fe9c5d76ea603b3999dbc67682be45d720180c496ebdd7f

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
gzip
cf-cache-status
HIT
server
cloudflare
age
4473987
etag
W/"a90f906141d82cbafccf49a6dfff8a18ffc0939f"
vary
User-Agent,Accept-Encoding
content-type
application/javascript; charset=UTF-8
cache-control
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vcd15cbe7772f49c399c6a5babf22c1241717689176015
static.cloudflareinsights.com/beacon.min.js/ 		19 KB
7 KB 		Script
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
104.16.80.73 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
Origin
https://phet.colorado.edu
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:35 GMT
content-encoding
gzip
last-modified
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server
cloudflare
etag
W/"2024.6.1"
vary
Accept-Encoding
content-type
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access-control-allow-origin
*
cache-control
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cross-origin-resource-policy
cross-origin
cf-ray
8bd43c4ebc5e0e9b-MXP
badge.svg
phet.colorado.edu/images/ios-app-store-badges/US/ 		12 KB
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:56 GMT
server
cloudflare
age
2162043
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W/"12224-1722293036000"
vary
Accept-Encoding
content-type
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cache-control
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cf-ray
8bd43c4bac23be90-ZRH
expires
Wed, 04 Sep 2024 08:25:32 GMT
play_store_badge.png
phet.colorado.edu/images/ 		14 KB
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:56 GMT
server
cloudflare
age
2463184
etag
W/"14059-1722293036000"
vary
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cache-control
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cf-ray
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content-length
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expires
Wed, 04 Sep 2024 12:55:09 GMT
devices.svg
phet.colorado.edu/images/ 		586 B
522 B 		Image
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:56 GMT
server
cloudflare
age
2162041
etag
W/"586-1722293036000"
vary
Accept-Encoding
content-type
image/svg+xml
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-ray
8bd43c4bac28be90-ZRH
expires
Sat, 07 Sep 2024 03:08:37 GMT
Moore_Foundation_logo_footer-01.png
phet.colorado.edu/images/support/ 		6 KB
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
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server
cloudflare
age
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etag
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vary
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content-type
image/png
cache-control
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cf-ray
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content-length
6147
expires
Sun, 29 Sep 2024 13:17:54 GMT
NSF_logo_footer-01.png
phet.colorado.edu/images/support/ 		11 KB
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
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server
cloudflare
age
82731
etag
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vary
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content-type
image/png
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
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content-length
11193
expires
Wed, 02 Oct 2024 01:09:33 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
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:56 GMT
server
cloudflare
age
2463236
etag
W/"7146-1722293036000"
vary
Accept-Encoding
content-type
image/svg+xml
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-ray
8bd43c4bbc2fbe90-ZRH
expires
Wed, 04 Sep 2024 06:28:56 GMT
yidan-footer.png
phet.colorado.edu/images/support/ 		4 KB
5 KB 		Image
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
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server
cloudflare
age
2463236
etag
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vary
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content-length
4524
expires
Wed, 04 Sep 2024 06:12:58 GMT
mastercard-footer.svg
phet.colorado.edu/images/support/ 		7 KB
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
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server
cloudflare
age
2463236
etag
W/"6834-1722293036000"
vary
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image/svg+xml
cache-control
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cf-ray
8bd43c4bbc34be90-ZRH
expires
Wed, 04 Sep 2024 07:52:46 GMT
phet-logo-trademarked-black.png
phet.colorado.edu/images/ 		14 KB
14 KB 		Image
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
cf-cache-status
HIT
last-modified
Thu, 22 Aug 2024 03:19:12 GMT
server
cloudflare
age
169237
etag
W/"14597-1724296752000"
vary
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cache-control
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cf-ray
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content-length
14597
expires
Tue, 01 Oct 2024 01:10:05 GMT
jquery-3.3.1.min.js
phet.colorado.edu/js/ 		85 KB
31 KB 		Script
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Thu, 22 Aug 2024 03:19:12 GMT
server
cloudflare
age
169237
etag
W/"86927-1724296752000"
vary
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cache-control
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cf-ray
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expires
Tue, 01 Oct 2024 02:14:27 GMT
phet-v59-min.js
phet.colorado.edu/js/ 		48 KB
15 KB 		Script
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URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:34 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Thu, 22 Aug 2024 03:19:14 GMT
server
cloudflare
age
169237
etag
W/"49476-1724296754000"
vary
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cache-control
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cf-ray
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expires
Tue, 01 Oct 2024 01:10:07 GMT
gtm.js
www.googletagmanager.com/ 		209 KB
73 KB 		Script
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https://www.googletagmanager.com/gtm.js?id=GTM-WLNGBXD
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.250.185.168 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
Google Tag Manager /
Resource Hash
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Name Value
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Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:35 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
cross-origin-resource-policy
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alt-svc
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0
last-modified
Tue, 03 Sep 2024 06:00:00 GMT
server
Google Tag Manager
vary
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application/javascript; charset=UTF-8
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*
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Tue, 03 Sep 2024 08:05:35 GMT
KFOmCnqEu92Fr1Mu4mxK.woff2
fonts.gstatic.com/s/roboto/v32/ 		18 KB
19 KB 		Font
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Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
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sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://fonts.googleapis.com/
Origin
https://phet.colorado.edu
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Fri, 30 Aug 2024 22:14:45 GMT
x-content-type-options
nosniff
age
294650
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
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alt-svc
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last-modified
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server
sffe
cross-origin-opener-policy
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report-to
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content-type
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expires
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info
phet.colorado.edu/_m/sockjs/ 		0
0
fontawesome-webfont.woff2
phet.colorado.edu/_m/css/font-awesome/fonts/ 		75 KB
76 KB 		Font
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https://phet.colorado.edu/_m/css/font-awesome/fonts/fontawesome-webfont.woff2?v=4.7.0
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Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/css/font-awesome/css/font-awesome.min-4.7.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://phet.colorado.edu/_m/css/font-awesome/css/font-awesome.min-4.7.css
Origin
https://phet.colorado.edu
User-Agent
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Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
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etag
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content-length
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fonts.gstatic.com/s/roboto/v32/ 		18 KB
18 KB 		Font
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203 B 		Fetch
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https://phet.colorado.edu/services/translated-strings?keys=main.timeoutMessage&locale=en
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199 B 		Fetch
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chemistry-icon.png
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phet.colorado.edu/assets/img/ 		4 KB
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URL: https://phet.colorado.edu/
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Response headers

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Tue, 03 Sep 2024 08:05:36 GMT
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Tue, 03 Sep 2024 12:52:26 GMT
interact-discover-learn.png
phet.colorado.edu/assets/img/ 		8 KB
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Request headers

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User-Agent
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Response headers

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Tue, 03 Sep 2024 08:05:36 GMT
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Tue, 03 Sep 2024 20:35:54 GMT
interactive-icon.png
phet.colorado.edu/assets/img/ 		3 KB
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URL: https://phet.colorado.edu/
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Request headers

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Response headers

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3443
expires
Tue, 03 Sep 2024 11:12:02 GMT
languages-icon.png
phet.colorado.edu/assets/img/ 		2 KB
2 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/assets/img/languages-icon.png
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7c0e611c0b6fc60d9bb0bfaebb57e2d35d5470cadaa81babb6ea8bebed4cb9cd

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
HIT
last-modified
Fri, 12 Jul 2024 23:38:01 GMT
server
cloudflare
age
69053
etag
"93d-61d155ec3baf4"
vary
Cookie, Accept-Encoding
content-type
image/png
cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c54beecbe90-ZRH
content-length
2365
expires
Tue, 03 Sep 2024 12:54:43 GMT
lessons-icon.png
phet.colorado.edu/assets/img/ 		1 KB
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/assets/img/lessons-icon.png
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
32af72934627a8acc30dd880ead8a3eebcce86679a1a21709b30231d6c6fb162

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
HIT
last-modified
Fri, 12 Jul 2024 23:38:01 GMT
server
cloudflare
age
41382
etag
"4ef-61d155ec42c3f"
vary
Cookie, Accept-Encoding
content-type
image/png
cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c54beedbe90-ZRH
content-length
1263
expires
Tue, 03 Sep 2024 20:35:54 GMT
simulations.jpg
phet.colorado.edu/assets/img/ 		276 KB
276 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/assets/img/simulations.jpg
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/assets/css/phet-app35.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5f6b7c23d92d81922024359955f5181f67575757db46d01551ab877aaa092247

Request headers

Referer
https://phet.colorado.edu/assets/css/phet-app35.css
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
HIT
cf-bgj
h2pri
last-modified
Fri, 12 Jul 2024 23:38:01 GMT
server
cloudflare
age
75214
etag
"44f89-61d155ec7b4ba"
vary
Cookie, Accept-Encoding
content-type
image/jpeg
cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c54cef1be90-ZRH
content-length
282505
expires
Tue, 03 Sep 2024 11:12:02 GMT
teachers.jpg
phet.colorado.edu/assets/img/ 		211 KB
212 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/assets/img/teachers.jpg
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/assets/css/phet-app35.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
af2ad14f828b404cb5073416789a806a1ee93bf1b69d52c6cd0e86eb39dcf19f

Request headers

Referer
https://phet.colorado.edu/assets/css/phet-app35.css
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
HIT
cf-bgj
h2pri
last-modified
Fri, 12 Jul 2024 23:38:01 GMT
server
cloudflare
age
75214
etag
"34d9e-61d155ec81d16"
vary
Cookie, Accept-Encoding
content-type
image/jpeg
cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c54cef4be90-ZRH
content-length
216478
expires
Tue, 03 Sep 2024 11:12:02 GMT
accessibility.jpg
phet.colorado.edu/assets/img/ 		528 KB
528 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/assets/img/accessibility.jpg
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/assets/css/phet-app35.css
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
55b4b2593cd2ea0f5788219d205d1a821463f129a3203eda97d8bf37708e3d28

Request headers

Referer
https://phet.colorado.edu/assets/css/phet-app35.css
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
HIT
cf-bgj
h2pri
last-modified
Fri, 12 Jul 2024 23:38:01 GMT
server
cloudflare
age
2894
etag
"83e26-61d155ebbb60a"
vary
Cookie, Accept-Encoding
content-type
image/jpeg
cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c54cef6be90-ZRH
content-length
540198
expires
Wed, 04 Sep 2024 07:17:22 GMT
KFOlCnqEu92Fr1MmWUlfBBc4.woff2
fonts.gstatic.com/s/roboto/v32/ 		18 KB
18 KB 		Font
General
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Full URL
https://fonts.gstatic.com/s/roboto/v32/KFOlCnqEu92Fr1MmWUlfBBc4.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.217.18.3 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
fra24s22-in-f3.1e100.net
Software
sffe /
Resource Hash
d9bada3a44bb2ffa66dec5cc781cafc9ef17ed876cd9b0c5f7ef18228b63cebb
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://phet.colorado.edu
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Sat, 31 Aug 2024 03:20:28 GMT
x-content-type-options
nosniff
age
276308
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
18596
x-xss-protection
0
last-modified
Thu, 01 Aug 2024 20:41:21 GMT
server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
Sun, 31 Aug 2025 03:20:28 GMT
supporters
phet.colorado.edu/_m/services/ 		21 KB
5 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/_m/services/supporters?nonce=wtqeifn6a4j
Requested by
Host: phet.colorado.edu
URL: https://phet.colorado.edu/_m/a90f906141d82cbafccf49a6dfff8a18ffc0939f.js?meteor_js_resource=true
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a17cb8b9c42f7476e781b8ce98eca7d1872c013d19408ba13847f08075bb94fe

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Tue, 03 Sep 2024 08:05:36 GMT
server
cloudflare
vary
Accept-Encoding
content-type
application/json
access-control-allow-origin
*
cache-control
no-store
accept-ranges
bytes
cf-ray
8bd43c55afe6be90-ZRH
content-length
4550
truncated
/ 		34 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
1e85ec81b9800b4c443d39caca0d0926089a3ac201120db1ceb45b93789480b8

Request headers

Referer
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Content-Type
image/gif
rum
phet.colorado.edu/cdn-cgi/ 		0
185 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/cdn-cgi/rum?
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36
content-type
application/json

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://phet.colorado.edu
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
8bd43c5688f5be90-ZRH
plus-icon.png
phet.colorado.edu/images/icons/ 		412 B
636 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/images/icons/plus-icon.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7ea3922442fe336adbf1ba9e36d8414633561ea54d8e3bf22a63792ab12e9bb0

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
HIT
last-modified
Mon, 29 Jul 2024 22:43:56 GMT
server
cloudflare
age
2162038
etag
W/"412-1722293036000"
vary
Accept-Encoding
content-type
image/png
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c56b921be90-ZRH
content-length
412
expires
Sat, 07 Sep 2024 17:27:47 GMT
favicon.ico
phet.colorado.edu/ 		4 KB
1 KB 		Other
General
Check archive.org
Download Go to
Full URL
https://phet.colorado.edu/favicon.ico
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fbd33c8b41b959ee994134a511d7c2875a8cb48e711d257aef98d368c712032e

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
content-encoding
br
cf-cache-status
HIT
last-modified
Thu, 22 Aug 2024 03:19:12 GMT
server
cloudflare
age
82196
etag
W/"4286-1724296752000"
vary
Accept-Encoding
content-type
image/x-icon
cache-control
public, max-age=2592000, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
cf-ray
8bd43c56e960be90-ZRH
expires
Wed, 02 Oct 2024 01:28:19 GMT
PocketLab.jpg
phet.colorado.edu/images/support/ 		26 KB
26 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://phet.colorado.edu/images/support/PocketLab.jpg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.191.20 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e80dde03e97d38cf8f6db6414cd2e5841f0730ec9df1b85de5047338ef1bdb98

Request headers

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

date
Tue, 03 Sep 2024 08:05:36 GMT
cf-cache-status
HIT
cf-bgj
h2pri
last-modified
Fri, 05 Nov 2021 17:37:24 GMT
server
cloudflare
age
79562
etag
"67f9-5d00e189e6046"
vary
Cookie, Accept-Encoding
content-type
image/jpeg
cache-control
public, max-age=86400, stale-while-revalidate=5184000, stale-if-error=5184000, no-store
accept-ranges
bytes
cf-ray
8bd43c596c7bbe90-ZRH
content-length
26617
expires
Tue, 03 Sep 2024 09:59:34 GMT
check-login
phet-direct.colorado.edu/user/ 		18 B
549 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/a90f906141d82cbafccf49a6dfff8a18ffc0939f.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

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Date
Tue, 03 Sep 2024 08:05:37 GMT
Server
Apache
X-Powered-By
Express
ETag
W/"12-5Ti4RxX6tW4QHCzTPHbTwIiTtA8"
Vary
Accept-Encoding
Access-Control-Allow-Methods
GET,POST,PUT,DELETE,OPTIONS
Content-Type
application/json; charset=utf-8
Access-Control-Allow-Origin
https://phet.colorado.edu
Access-Control-Allow-Credentials
true
Connection
close
Access-Control-Allow-Headers
Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With, Pragma, Cache-Control
Content-Length
18
check-login
phet-direct.colorado.edu/user/ 		18 B
451 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/a90f906141d82cbafccf49a6dfff8a18ffc0939f.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

Referer
https://phet.colorado.edu/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Response headers

Date
Tue, 03 Sep 2024 08:05:38 GMT
Server
Apache
X-Powered-By
Express
ETag
W/"12-5Ti4RxX6tW4QHCzTPHbTwIiTtA8"
Vary
Accept-Encoding
Access-Control-Allow-Methods
GET,POST,PUT,DELETE,OPTIONS
Content-Type
application/json; charset=utf-8
Access-Control-Allow-Origin
https://phet.colorado.edu
Access-Control-Allow-Credentials
true
Access-Control-Allow-Headers
Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With, Pragma, Cache-Control
Content-Length
18

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=1725350735650

Verdicts & Comments Add Verdict or Comment

50 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| __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| _ function| SimpleSchema function| MongoObject object| HTTP object| WebApp object| Counts object| DocHead object| Meteor object| global object| meteorEnv object| DDP function| meteorInstall object| meteorBabelHelpers object| Collection2 object| Autoupdate object| Reload number| placeholderInterval number| cleverInterval function| $ function| jQuery object| gapi object| ___jsl object| google_tag_manager object| google_tag_data number| jQueryReadyInterval object| __cfBeacon object| settings function| openReactLogin function| logout function| checkLogin function| onYouTubeIframeAPIReady object| gaGlobal object| Modernizr

2 Cookies

Domain/Path Name / Value
.colorado.edu/ Name: _ga_4EVJVBSTB9
Value: GS1.1.1725350735.1.0.1725350735.0.0.0
.colorado.edu/ Name: _ga
Value: GA1.1.34782866.1725350736

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
104.16.80.73
128.138.129.34
142.250.184.202
142.250.185.168
142.250.186.142
172.217.18.14
172.217.18.3
172.67.191.20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