urlscan.io logo urlscan.io
SecurityTrails logo

algorithmicthinking.org Open in urlscan Pro
149.56.99.64  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://algorithmicthinking.org/
Effective URL: https://algorithmicthinking.org/
Submission: On February 18 via api from US — Scanned from CA
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 2 countries across 4 domains to perform 29 HTTP transactions. The main IP is 149.56.99.64, located in Montreal, Canada and belongs to OVH, FR. The main domain is algorithmicthinking.org.
TLS certificate: Issued by R3 on January 21st 2024. Valid for: 3 months.
This is the only time algorithmicthinking.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 22 149.56.99.64 16276 (OVH)
1 172.64.147.188 13335 (CLOUDFLAR...)
1 142.251.167.95 15169 (GOOGLE)
3 172.64.164.7 13335 (CLOUDFLAR...)
3 172.253.62.94 15169 (GOOGLE)
29 5
22    149.56.99.64 (Montreal, Canada)

ASN16276 (OVH, FR)
PTR: 64.ip-149-56-99.net
algorithmicthinking.org
1    172.64.147.188 (San Francisco, United States)

ASN13335 (CLOUDFLARENET, US)
kit.fontawesome.com
1    142.251.167.95 (Farmingdale, United States)

ASN15169 (GOOGLE, US)
PTR: ww-in-f95.1e100.net
fonts.googleapis.com
3    172.64.164.7 (San Francisco, United States)

ASN13335 (CLOUDFLARENET, US)
ka-f.fontawesome.com
3    172.253.62.94 (United States)

ASN15169 (GOOGLE, US)
PTR: bc-in-f94.1e100.net
fonts.gstatic.com
Apex Domain
Subdomains		 Transfer
22 algorithmicthinking.org
algorithmicthinking.org
2 MB
4 fontawesome.com
kit.fontawesome.com — Cisco Umbrella Rank: 1748
ka-f.fontawesome.com — Cisco Umbrella Rank: 3787
24 KB
3 gstatic.com
fonts.gstatic.com
75 KB
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 48
2 KB
29 4
Domain Requested by
22 algorithmicthinking.org 1 redirects algorithmicthinking.org
3 fonts.gstatic.com fonts.googleapis.com
3 ka-f.fontawesome.com kit.fontawesome.com
1 fonts.googleapis.com algorithmicthinking.org
1 kit.fontawesome.com algorithmicthinking.org
29 5

This site contains no links.

Subject Issuer Validity Valid
algorithmicthinking.org
R3		 2024-01-21 -
2024-04-20		 3 months crt.sh
*.fontawesome.com
DigiCert Global G2 TLS RSA SHA256 2020 CA1		 2023-12-04 -
2025-01-03		 a year crt.sh
upload.video.google.com
GTS CA 1C3		 2024-01-29 -
2024-04-22		 3 months crt.sh
ka-f.fontawesome.com
GTS CA 1P5		 2024-01-06 -
2024-04-05		 3 months crt.sh
*.gstatic.com
GTS CA 1C3		 2024-01-29 -
2024-04-22		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://algorithmicthinking.org/
Frame ID: 0A01F1D9CAEA9D390D9C428DBCF66080
Requests: 29 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

PACT

Page URL History Show full URLs

  1. http://algorithmicthinking.org/ HTTP 301
    https://algorithmicthinking.org/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • kit\.fontawesome\.com/([0-9a-z]+).js
Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/modernizr(?:\.([\d.]+))?.*\.js

Page Statistics

29
Requests

100 %
HTTPS

0 %
IPv6

4
Domains

5
Subdomains

5
IPs

2
Countries

1818 kB
Transfer

1903 kB
Size

0
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://algorithmicthinking.org/ HTTP 301
    https://algorithmicthinking.org/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

29 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
algorithmicthinking.org/
Redirect Chain
  • http://algorithmicthinking.org/
  • https://algorithmicthinking.org/
8 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
c8a93fc82df4614d2cb585c449f3481cfdbc099bcc474245d1fbcb8ec2d57331
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36
accept-language
en-CA,en;q=0.9

Response headers

Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html; charset=utf-8
Date
Sun, 18 Feb 2024 19:11:24 GMT
ETag
W/"1ed9-u0gQ+RwYNzECC/RuBeyrlyUMwtU"
Server
nginx/1.14.0 (Ubuntu)
Strict-Transport-Security
max-age=31536000
Transfer-Encoding
chunked
X-Powered-By
Express

Redirect headers

Connection
keep-alive
Content-Length
194
Content-Type
text/html
Date
Sun, 18 Feb 2024 19:11:24 GMT
Location
https://algorithmicthinking.org/
Server
nginx/1.14.0 (Ubuntu)
9b82d76088.js
kit.fontawesome.com/ 		12 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://kit.fontawesome.com/9b82d76088.js
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.64.147.188 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9e2e8d38c5725fddba0395c8d3bb42c440b26d8c16abcb9e23bc4d1c16f68d9e

Request headers

Referer
https://algorithmicthinking.org/
Origin
https://algorithmicthinking.org
accept-language
en-CA,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Sun, 18 Feb 2024 19:11:24 GMT
content-encoding
gzip
cf-cache-status
MISS
server
cloudflare
vary
origin, accept-encoding, access-control-request-headers, access-control-request-method
access-control-max-age
3000
access-control-allow-methods
GET, OPTIONS
access-control-allow-origin
*
content-type
text/javascript
cache-control
max-age=60, public, stale-while-revalidate=30
cf-ray
85789360ed8536bc-YYZ
access-control-allow-headers
accept, accept-langauge, content-language, content-type, fa-kit-token
x-request-id
F7UKxzNU7IVmkteu46Ni
css2
fonts.googleapis.com/ 		14 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css2?family=Merriweather:wght@300&family=Open+Sans:wght@300;600&family=Poppins&display=swap
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
142.251.167.95 Farmingdale, United States, ASN15169 (GOOGLE, US),
Reverse DNS
ww-in-f95.1e100.net
Software
ESF /
Resource Hash
dc3cb11e7fb29fdd6aead29a18be1e6e9596fc62e42157eb88e9612d15338b17
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

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Sun, 18 Feb 2024 19:11:24 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
Sun, 18 Feb 2024 19:11:24 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
Sun, 18 Feb 2024 19:11:24 GMT
partials.css
algorithmicthinking.org/css/ 		4 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/partials.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
7d0321a626871ec072d489973ec375acb6a8f02044eeb1646e148fae85cf4f57
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sat, 24 Dec 2022 17:13:08 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"f36-185451fc774"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
3894
header.css
algorithmicthinking.org/css/ 		3 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/header.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
17890704c00220b782d39d329b441a681b8d72f5454634b3c2a03e732007ace8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Mon, 21 Mar 2022 15:48:11 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"a49-17fad2a16fb"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2633
overview.css
algorithmicthinking.org/css/ 		3 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/overview.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
02edc936ae5f79ef2449293112d09765d7dd96e6e0c2e7b46b081577a09fa535
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Wed, 22 Nov 2023 18:38:46 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"cf2-18bf853d9d3"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
3314
logistics.css
algorithmicthinking.org/css/ 		386 B
754 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/logistics.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
8043b989c6a3b706f75d8cdaa1dc8f72c7d5091f605b56d50759e819754d04df
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:45 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"182-177eaea623b"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
386
faq.css
algorithmicthinking.org/css/ 		1 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/faq.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
41456ff5ad3ba10c69baf8b7d0b53c20012043c564b217fbade294f2d2221473
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:45 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"595-177eaea623b"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
1429
instructors.css
algorithmicthinking.org/css/ 		7 KB
7 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/instructors.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
c356c6c32396b30151381b6180f489e566bfe3629355ba3704a192d0a8140421
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sat, 30 Jul 2022 05:20:41 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"1ae0-1824d8cac8e"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
6880
application.css
algorithmicthinking.org/css/ 		4 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/application.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
6cf68abf1f02e1308202e4cd234dc922960ad985cea819300503d1dbd2098f79
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sat, 24 Dec 2022 17:13:08 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"f54-185451fc774"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
3924
students.css
algorithmicthinking.org/css/ 		2 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/students.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
648527b4add603ab05874b291fbddd4bb0153dbc141bdbe1b2e55482603b32ee
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Wed, 22 Nov 2023 20:46:03 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"673-18bf8c85f53"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
1651
home.css
algorithmicthinking.org/css/ 		3 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/home.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
3bf93f6877724accb26d50a198841d7383dd0ec33a980df559df2aaac95d7791
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:45 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"b2f-177eaea623b"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2863
404.css
algorithmicthinking.org/css/ 		124 B
491 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/css/404.css
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
b21849aeaefebabfeaca9b2352d767ecb3bcfd530612dd555e2c41090848bdbf
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:45 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"7c-177eaea6237"
Content-Type
text/css; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
124
modern.jpg
algorithmicthinking.org/img/home/ 		79 KB
79 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/modern.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
cb5cea04c0da64c626bbb8abed2b65c051da338791a90a47f7fa5279c9503b7c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"13c2b-177eaea715b"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
80939
script.js
algorithmicthinking.org/js/ 		1 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/js/script.js
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
4e9ecf5f641f499009ecf714d65f654dd0aaaa0882aa5437cc8746838e84d228
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:45:43 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"5a7-177eb089245"
Content-Type
application/javascript; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
1447
modernizr-custom.js
algorithmicthinking.org/js/ 		1 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://algorithmicthinking.org/js/modernizr-custom.js
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
f257b9ecf2711f47abaa19726fc6de11f248efc6fdd8ed85315f9f94e7bf6a75
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:45:43 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"5f8-177eb089245"
Content-Type
application/javascript; charset=UTF-8
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
1528
free.min.css
ka-f.fontawesome.com/releases/v5.15.4/css/ 		59 KB
13 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://ka-f.fontawesome.com/releases/v5.15.4/css/free.min.css?token=9b82d76088
Requested by
Host: kit.fontawesome.com
URL: https://kit.fontawesome.com/9b82d76088.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.64.164.7 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
fc5128dfdcdfa0c3a9967a6d2f19399d7bf1aaae6ad7571b96b03915a1f30dda

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Sun, 18 Feb 2024 19:11:24 GMT
via
1.1 9ad14e3f9b528d4215643d5af359b816.cloudfront.net (CloudFront)
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-cf-pop
JFK50-P8
age
151540
x-cache
Hit from cloudfront
alt-svc
h3=":443"; ma=86400
last-modified
Wed, 04 Aug 2021 18:53:09 GMT
server
cloudflare
etag
W/"a12ec7ebe75a4d59a5dd6b79e2ba2e16"
access-control-max-age
3000
access-control-allow-methods
GET
content-type
text/css
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ghdeCst65n72wsXvx6Ep3QKy4ctf9sHHeQ9QH2RPTpq8JnAlHeaqUhsjKZAMTklgD1wujfHhl6WOuns3JbnB9qGc0wDifXEWAJSLvTv%2BU5DfgkW7I1AzgYbA1iWhTki6m5867y6vag%3D%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=31556926
vary
Accept-Encoding
cf-ray
85789361ca841768-EWR
access-control-allow-headers
fa-kit-token
x-amz-cf-id
RqBcd4xK_sdstjz9CKzFBQpLKzQ-uCMqk9_mZnzG2Wk9KtjUgh-n5A==
free-v4-shims.min.css
ka-f.fontawesome.com/releases/v5.15.4/css/ 		26 KB
4 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://ka-f.fontawesome.com/releases/v5.15.4/css/free-v4-shims.min.css?token=9b82d76088
Requested by
Host: kit.fontawesome.com
URL: https://kit.fontawesome.com/9b82d76088.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.64.164.7 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6dea47458a4cd7cd7312cc780a53c62e0c8b3ccc8d0b13c1ac0ea6e3dfcecea8

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Sun, 18 Feb 2024 19:11:24 GMT
via
1.1 922167d169fb5d47cad92d0fd0cd14aa.cloudfront.net (CloudFront)
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-cf-pop
JFK50-P8
age
6024557
x-cache
Hit from cloudfront
alt-svc
h3=":443"; ma=86400
last-modified
Wed, 04 Aug 2021 18:53:09 GMT
server
cloudflare
etag
W/"76f34b71fc9fb641507ff6a822cc07f5"
access-control-max-age
3000
access-control-allow-methods
GET
content-type
text/css
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=6ArEZNfxYsxORCNca%2BLcjf44Z0UhQ8FxSj3Ke8Ui6SuVtdAk%2BSVuuw%2FLXm5VEEsVKHW9pyZZKrDQuXLsjgoKbhrPXqIuIi8MSRlYJowHkrS11muSLFcNBKhic2LK2TbQk1SXYhX2GQ%3D%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=31556926
vary
Accept-Encoding
cf-ray
85789361ca821768-EWR
access-control-allow-headers
fa-kit-token
x-amz-cf-id
7JFTdhDiBGdekAm-ZyZUjQ3L7ksG393ML-gxpO_I-ENSI2x5wDLyvw==
free-v4-font-face.min.css
ka-f.fontawesome.com/releases/v5.15.4/css/ 		3 KB
2 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://ka-f.fontawesome.com/releases/v5.15.4/css/free-v4-font-face.min.css?token=9b82d76088
Requested by
Host: kit.fontawesome.com
URL: https://kit.fontawesome.com/9b82d76088.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.64.164.7 San Francisco, United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7f8b63bff49fba3c5bae30f4eb39f2fd6d088fbe9d7292bdf37b0ef4a1ec68d6

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Sun, 18 Feb 2024 19:11:24 GMT
via
1.1 774fddee085016d16b500fd9201faeb2.cloudfront.net (CloudFront)
content-encoding
br
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
x-amz-cf-pop
JFK50-P8
age
6024557
x-cache
Hit from cloudfront
alt-svc
h3=":443"; ma=86400
last-modified
Wed, 04 Aug 2021 18:53:09 GMT
server
cloudflare
etag
W/"f2e0b2680d9b0bcb6e0039c4424e5a59"
access-control-max-age
3000
access-control-allow-methods
GET
content-type
text/css
access-control-allow-origin
*
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=l6V8lqddCddK5zteXPtg18ycVqp3v8r47%2BkGeOOWFj%2B9Mxdl1UTXqvkcZnHNV8DqDOS6JsHXtS61z9aNWW87P7hpE2YzSbW%2FBEIdIwRvzIhnHIDBSRAFmORBk0MNtWm4PU95LvIT7Q%3D%3D"}],"group":"cf-nel","max_age":604800}
cache-control
max-age=31556926
vary
Accept-Encoding
cf-ray
85789361ca7f1768-EWR
access-control-allow-headers
fa-kit-token
x-amz-cf-id
gUXljvqFuQK1_z5hjzFSf2a4sBRa5k3uGq6Ofl90fiZmN5tk_-oGtA==
work.jpg
algorithmicthinking.org/img/home/ 		108 KB
108 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/work.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/css/home.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
963e1f3b754ccf8e1fc970b2af905a62be2e9437a9dcab03911eee21e64aaf88
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/css/home.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"1ae69-177eaea715f"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
110185
chalkboard.jpg
algorithmicthinking.org/img/home/ 		87 KB
87 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/chalkboard.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/css/home.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
411c8e985301129024cc23c42bbce56345d6ca04b4f4605737244d68924468de
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/css/home.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"15b9f-177eaea7143"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
88991
expressions.jpg
algorithmicthinking.org/img/home/ 		74 KB
74 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/expressions.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/css/home.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
7c14a415fbaa5d35787388b653f639c30a8df2a52b93adaa11a1004535f9d1c4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/css/home.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"12722-177eaea714b"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
75554
lemma.jpg
algorithmicthinking.org/img/home/ 		548 KB
548 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/lemma.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/css/home.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
4db90c837fce504221fe07f6285b5a04b3812fd1e870950b2ca72bb2aff6d069
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/css/home.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"88ec7-177eaea715b"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
560839
fun.jpg
algorithmicthinking.org/img/home/ 		104 KB
105 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/fun.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/css/home.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
a74ef134ac82bcdafc4d01149c94b54349100190e695c7d8f62a0ed45ff2fec8
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/css/home.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"1a133-177eaea714b"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
106803
college.jpg
algorithmicthinking.org/img/home/ 		589 KB
589 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/college.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/css/home.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
bc993c72b0824b4774877dccb48ae7b4d0385fd699ba8d34c2c78e9899d6d350
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/css/home.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"93413-177eaea7147"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
603155
summer.jpg
algorithmicthinking.org/img/home/ 		90 KB
90 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://algorithmicthinking.org/img/home/summer.jpg
Requested by
Host: algorithmicthinking.org
URL: https://algorithmicthinking.org/css/home.css
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
149.56.99.64 Montreal, Canada, ASN16276 (OVH, FR),
Reverse DNS
64.ip-149-56-99.net
Software
nginx/1.14.0 (Ubuntu) / Express
Resource Hash
6e26d5e4c8622cc0fdfa28cfb38ff7b3a6b20e526a2d901340a8db8862b3e7f5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://algorithmicthinking.org/css/home.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

Date
Sun, 18 Feb 2024 19:11:24 GMT
Strict-Transport-Security
max-age=31536000
Last-Modified
Sun, 28 Feb 2021 23:12:48 GMT
Server
nginx/1.14.0 (Ubuntu)
X-Powered-By
Express
ETag
W/"16684-177eaea715b"
Content-Type
image/jpeg
Cache-Control
public, max-age=0
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
91780
memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
fonts.gstatic.com/s/opensans/v40/ 		47 KB
47 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Merriweather:wght@300&family=Open+Sans:wght@300;600&family=Poppins&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.253.62.94 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
bc-in-f94.1e100.net
Software
sffe /
Resource Hash
3c4d6a1421c7ddb7e404521fe8c4cd5be5af446d7689cd880be26612eaad3cfa
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://algorithmicthinking.org
accept-language
en-CA,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Wed, 14 Feb 2024 08:45:56 GMT
x-content-type-options
nosniff
age
383128
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
48236
x-xss-protection
0
last-modified
Thu, 14 Dec 2023 02:08:40 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
Thu, 13 Feb 2025 08:45:56 GMT
pxiEyp8kv8JHgFVrJJfecg.woff2
fonts.gstatic.com/s/poppins/v20/ 		8 KB
8 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/poppins/v20/pxiEyp8kv8JHgFVrJJfecg.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Merriweather:wght@300&family=Open+Sans:wght@300;600&family=Poppins&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.253.62.94 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
bc-in-f94.1e100.net
Software
sffe /
Resource Hash
7d93459d86585bfcdbb7e0376056226adb25821ee54b96236fe2123e9560929f
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://algorithmicthinking.org
accept-language
en-CA,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Wed, 14 Feb 2024 08:48:36 GMT
x-content-type-options
nosniff
age
382968
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
7884
x-xss-protection
0
last-modified
Wed, 27 Apr 2022 17:03:52 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
Thu, 13 Feb 2025 08:48:36 GMT
u-4n0qyriQwlOrhSvowK_l521wRZWMf6.woff2
fonts.gstatic.com/s/merriweather/v30/ 		19 KB
19 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/merriweather/v30/u-4n0qyriQwlOrhSvowK_l521wRZWMf6.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Merriweather:wght@300&family=Open+Sans:wght@300;600&family=Poppins&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.253.62.94 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
bc-in-f94.1e100.net
Software
sffe /
Resource Hash
c8356c413b566272ba50c98d4ce0546e1fce6177ceb6cf8c2a7efe0a65e085a1
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://algorithmicthinking.org
accept-language
en-CA,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.184 Safari/537.36

Response headers

date
Wed, 14 Feb 2024 08:51:07 GMT
x-content-type-options
nosniff
age
382817
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
19752
x-xss-protection
0
last-modified
Tue, 26 Apr 2022 15:46:46 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
Thu, 13 Feb 2025 08:51:07 GMT

Verdicts & Comments Add Verdict or Comment

2 JavaScript Global Variables

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

object| FontAwesomeKitConfig object| Modernizr

0 Cookies

Security Headers

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

Header Value
Strict-Transport-Security max-age=31536000

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.

algorithmicthinking.org
fonts.googleapis.com
fonts.gstatic.com
ka-f.fontawesome.com
kit.fontawesome.com
142.251.167.95
149.56.99.64
172.253.62.94
172.64.147.188
172.64.164.7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