Submitted URL: http://freecodecamp.org/
Effective URL: https://www.freecodecamp.org/
Submission: On March 21 via manual from AU — Scanned from AU

Summary

This website contacted 6 IPs in 2 countries across 5 domains to perform 35 HTTP transactions. The main IP is 172.67.70.149, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.freecodecamp.org. The Cisco Umbrella rank of the primary domain is 66355.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on January 19th 2023. Valid for: a year.
This is the only time www.freecodecamp.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 104.26.3.33 13335 (CLOUDFLAR...)
1 28 172.67.70.149 13335 (CLOUDFLAR...)
1 104.16.57.101 13335 (CLOUDFLAR...)
2 74.125.68.97 15169 (GOOGLE)
1 159.223.179.148 14061 (DIGITALOC...)
3 74.125.24.113 15169 (GOOGLE)
1 74.125.24.157 15169 (GOOGLE)
35 6
Apex Domain
Subdomains
Transfer
30 freecodecamp.org
freecodecamp.org — Cisco Umbrella Rank: 58450
www.freecodecamp.org — Cisco Umbrella Rank: 66355
api.gb.freecodecamp.org — Cisco Umbrella Rank: 441197
1 MB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 25
20 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 42
130 KB
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 76
350 B
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 886
6 KB
35 5
Domain Requested by
27 www.freecodecamp.org www.freecodecamp.org
static.cloudflareinsights.com
3 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 www.googletagmanager.com www.freecodecamp.org
www.googletagmanager.com
2 freecodecamp.org 2 redirects
1 stats.g.doubleclick.net www.google-analytics.com
1 api.gb.freecodecamp.org www.freecodecamp.org
1 static.cloudflareinsights.com www.freecodecamp.org
35 7
Subject Issuer Validity Valid
freecodecamp.org
Cloudflare Inc ECC CA-3
2023-01-19 -
2024-01-18
a year crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2022-05-11 -
2023-05-10
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-03-02 -
2023-05-25
3 months crt.sh
api.gb.freecodecamp.org
R3
2023-02-03 -
2023-05-04
3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3
2023-03-02 -
2023-05-25
3 months crt.sh

This page contains 1 frames:

Primary Page: https://www.freecodecamp.org/
Frame ID: 68F4313B3B9204CB02AE3245A817255A
Requests: 35 HTTP requests in this frame

Screenshot

Page Title

Learn to Code — For Free — Coding Courses for Busy People

Page URL History Show full URLs

  1. http://freecodecamp.org/ HTTP 301
    https://freecodecamp.org/ HTTP 302
    https://www.freecodecamp.org/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Page Statistics

35
Requests

100 %
HTTPS

0 %
IPv6

5
Domains

7
Subdomains

6
IPs

2
Countries

1463 kB
Transfer

3855 kB
Size

4
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://freecodecamp.org/ HTTP 301
    https://freecodecamp.org/ HTTP 302
    https://www.freecodecamp.org/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

35 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
www.freecodecamp.org/
Redirect Chain
  • http://freecodecamp.org/
  • https://freecodecamp.org/
  • https://www.freecodecamp.org/
257 KB
46 KB
Document
General
Full URL
https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
bea00c08d43d9c4b68e59f8790fbf54859afb3612f25fae14cd1ac09df679666
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36
accept-language
en-AU,en;q=0.9

Response headers

cache-control
public, max-age=0, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
7ab423476e03a7ff-SYD
content-disposition
inline; filename="index.html"
content-encoding
br
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
content-type
text/html; charset=utf-8
date
Tue, 21 Mar 2023 06:28:58 GMT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
referrer-policy
no-referrer-when-downgrade
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=B7Xw3SEDhTluPHc7tZYOMxl3crvWSG4imQ1Fk8tc%2B02EHLhNKiflF2Q60vwf2hZJb78AROlCBSvMQxBaUy%2Fez%2BpfKvOTZ7FGTAJCgDmCBQjLZpbxqd5XmNNYqDEHrZwge%2BRf7zaZ"}],"group":"cf-nel","max_age":604800}
server
cloudflare
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Accept-Encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

cf-cache-status
DYNAMIC
cf-ray
7ab42342a8cfa7ff-SYD
content-type
text/html
date
Tue, 21 Mar 2023 06:28:58 GMT
location
https://www.freecodecamp.org/
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=SveVnLmXKsPnDd3oBXr8ajdV3%2BgaA2vLx4%2BdF0ul6c3tcyYcdjpw5CUO37eEn615sFdsU%2BaEycLj4%2B99%2BG7yc76em%2FW73DyCPNkNhoxvFKYnShmC9Z6ouRvGlGCt2AW%2FxIg%3D"}],"group":"cf-nel","max_age":604800}
server
cloudflare
bootstrap.min.css
www.freecodecamp.org/css/
109 KB
19 KB
Stylesheet
General
Full URL
https://www.freecodecamp.org/css/bootstrap.min.css
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
1b67b09fdb8579a130faac9cdaf9d38543021e48869c6ff55e3f0cc3eb0e33a2
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:28:59 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
6086
content-encoding
br
content-disposition
inline; filename="bootstrap.min.css"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"3f619280856daa917e25716e65a33006e61bbed7"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=X7OdY42cybsbcHSVAgls9OR1F2whGmBXKZOgL7AIOpvoGRM%2FYjn0AnhOSIUsGmQYTkIS6z9WoHuh7oAC0ooV%2BeYuWIpaEMWgamy6dgaVVxF73wL5IT%2FXA5tZCVIZ9WmjEuyJE8um"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=14400, stale-while-revalidate=172800, must-revalidate
cf-ray
7ab4234d8c69a7ff-SYD
webpack-runtime-06137735f95de8437030.js
www.freecodecamp.org/
10 KB
5 KB
Script
General
Full URL
https://www.freecodecamp.org/webpack-runtime-06137735f95de8437030.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7e08ae521f163c23b14ee0460112117f14f5b2684c806e239485f421fdc9a28e
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:28:59 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
69789
content-encoding
br
content-disposition
inline; filename="webpack-runtime-06137735f95de8437030.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"73bc20740e66e5e0525dc2919358a034909a2aff"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=HFnvtiZupLi8W6htYakJ8TKgM0ikq%2FcTcXCVvg%2Fcoz%2FGxlccxHOWT16Mi1eQ8pZ6uKOcdW5evTbgFYcvTq%2FP6oXbbEGPc%2FMpIkpca8ZyIlbftljKEwQMKZmuRUwsm5JjDfU0BydD"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7ab4234efe21a7ff-SYD
framework-a954b904f0a6b8f85285.js
www.freecodecamp.org/
145 KB
45 KB
Script
General
Full URL
https://www.freecodecamp.org/framework-a954b904f0a6b8f85285.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
695e5b63bee7dcc9e4692ab343d8ef7da60814f338000fdbcae0b19b9d12ff2d
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:28:59 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
69789
content-encoding
br
content-disposition
inline; filename="framework-a954b904f0a6b8f85285.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"c8b36d5888eb9732e9260a8909edaeeb46ab3ddf"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=%2BHruPKDGn%2BWM0qrvcXcRHk7HnFnuKF84LXWGTDoGWuoPLJScTUKGP9geRDo%2FbWFuPkjpQdp0c2PsXiDQXx6fz%2BdOFE2iBsJPJSwqf4%2FVyXYqfxThZfgYQZ1GBEGkuwAgzIV2i148"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7ab4234efe23a7ff-SYD
c83d2783-ea1e5d4eb885aeb18736.js
www.freecodecamp.org/
7 KB
3 KB
Script
General
Full URL
https://www.freecodecamp.org/c83d2783-ea1e5d4eb885aeb18736.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
207a1779e143b277600c4448a8e151b90042fe9048c69e48f20c747892a5f5d7
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:28:59 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
69789
content-encoding
br
content-disposition
inline; filename="c83d2783-ea1e5d4eb885aeb18736.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"96089fbe6f0146661277fe10a5028f74bbb6d028"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
report-to
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cache-control
public, max-age=172800, immutable
cf-ray
7ab4234efe25a7ff-SYD
1f2fe695-573a03cc73c0263a1b40.js
www.freecodecamp.org/
3 KB
2 KB
Script
General
Full URL
https://www.freecodecamp.org/1f2fe695-573a03cc73c0263a1b40.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5e17c0555437ef402ebbeef1898c526885ba719e48b48575b602d7e2817ed8d0
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:28:59 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
69789
content-encoding
br
content-disposition
inline; filename="1f2fe695-573a03cc73c0263a1b40.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"e213b6fd41c9acca216c465ca22690c9d2f98697"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
report-to
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cache-control
public, max-age=172800, immutable
cf-ray
7ab4234efe27a7ff-SYD
app-4f223b2927c475d89cce.js
www.freecodecamp.org/
1 MB
335 KB
Script
General
Full URL
https://www.freecodecamp.org/app-4f223b2927c475d89cce.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
23d23a4b8d2cbe91cbd35303590ed87e1e8138de8f5982096085d760f482fcd2
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:28:59 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security
max-age=31536000; includeSubDomains; preload
age
69789
content-encoding
br
content-disposition
inline; filename="app-4f223b2927c475d89cce.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"c5ae6124067d09114ab60de962876d2bc750532c"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Be54izYK1lXH7KcHKreHr6SLk13CF4M7yhxyRXcEJjx%2FLmHh2dkzlW%2FHUEqQzJC7fMfYYeHmhI87SiWWYRwBupp2Ztz7rfCE47m2RkqXSUzAxTweqloTetUR3%2BJWswlJVeng%2FieA"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7ab4234efe28a7ff-SYD
c92bbdc1fdfac76dbb2eaa4585487f78d0f0e115-ccea6f3581c0cfb68afd.js
www.freecodecamp.org/
32 KB
9 KB
Script
General
Full URL
https://www.freecodecamp.org/c92bbdc1fdfac76dbb2eaa4585487f78d0f0e115-ccea6f3581c0cfb68afd.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
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content-security-policy
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content-security-policy
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content-security-policy
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Protocol
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content-security-policy
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Request headers

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date
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content-security-policy
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content-security-policy
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Response headers

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content-encoding
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last-modified
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Request headers

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Response headers

date
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content-security-policy
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Response headers

date
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content-encoding
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"4407a30eb9ecd7489ace978ed4a0414276fd6fd3"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=k3z1ZgycZsqVsYXxySAwLtRO%2BL7dRVuqQDkTr%2BKehmahUc4VA4nHKwrCLDqVT2JgJ6rUoyYt97zGScNvkV7i6O5y4fev1I%2FfZHFGWuzHirrnq4my3RE1MU%2Bdtab%2BkO1ckhIJBYkC"}],"group":"cf-nel","max_age":604800}
content-type
image/png
vary
Accept-Encoding
cache-control
public, max-age=172800, immutable
accept-ranges
bytes
cf-ray
7ab42357a857a7ff-SYD
Shawn-bf42c7b909dae3111d18a21870ee6ca5.png
www.freecodecamp.org/static/
51 KB
51 KB
Image
General
Full URL
https://www.freecodecamp.org/static/Shawn-bf42c7b909dae3111d18a21870ee6ca5.png
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
ef75bf83b82224ad0e682a9342682afe3ae6baaa3ffaf4fee7f964659a1d536f
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:29:00 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
13201
cf-polished
origSize=64226
content-disposition
inline; filename="Shawn-bf42c7b909dae3111d18a21870ee6ca5.png"
content-length
52026
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
cf-bgj
imgq:100,h2pri
server
cloudflare
etag
"b39d54edf052a5bb70d3d8db5ecb9482efb211d9"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=3ZuKAYjQ7IJPUYHys3bphgpQMcVt4Jum7ThUuj0DUUiq5TUnhhQhMY%2B5E9tBHN0pvBbYvN6T7jamfnb8O3jU%2BX9imMwRDtu5iyS%2BaidQ4pVR%2BfcQrGP5vmmp%2B4cOVXX6gbKJESBI"}],"group":"cf-nel","max_age":604800}
content-type
image/png
vary
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cache-control
public, max-age=172800, immutable
accept-ranges
bytes
cf-ray
7ab42357a85aa7ff-SYD
Sarah-45de0e53b7b2520ebbac35c454b9748a.png
www.freecodecamp.org/static/
51 KB
51 KB
Image
General
Full URL
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Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7359339a70d5e91fbf36e02998f5bf5af58cdcfe66ee5294771b51cc39ecd6c8
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:29:00 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
12720
cf-polished
origSize=64243
content-disposition
inline; filename="Sarah-45de0e53b7b2520ebbac35c454b9748a.png"
content-length
52127
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
cf-bgj
imgq:100,h2pri
server
cloudflare
etag
"3c9386bb3080d5494fed2fbe4c8a56f42d025293"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=EeEajzsv%2FhjNgzeSGAGcAjSGZ5DTfclV7gewmyg%2BnnWgSdFjo0oSmbH7yNbSK6dBmyksQOvvN12uCjBX9XzkTIauFcqRANPrM5Cd571Z67ifUlfGH%2B%2ByaXGZnaOU0aEj2n85flL4"}],"group":"cf-nel","max_age":604800}
content-type
image/png
vary
Accept-Encoding
cache-control
public, max-age=172800, immutable
accept-ranges
bytes
cf-ray
7ab42357a85ea7ff-SYD
Emma-5a662db9bcf55809a1fefb2ea17634bc.png
www.freecodecamp.org/static/
67 KB
67 KB
Image
General
Full URL
https://www.freecodecamp.org/static/Emma-5a662db9bcf55809a1fefb2ea17634bc.png
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6473f748991fec2cf28695c1058fb0db89d8c707ba56146e22c42a687fc466b3
Security Headers
Name Value
Content-Security-Policy default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:29:00 GMT
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; includeSubDomains; preload
cf-cache-status
HIT
nel
{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age
12119
cf-polished
origSize=82932
content-disposition
inline; filename="Emma-5a662db9bcf55809a1fefb2ea17634bc.png"
content-length
68122
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
cf-bgj
imgq:100,h2pri
server
cloudflare
etag
"c80d330eb2a267ff3037882db49265ef15995989"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=Bh7bhVISkwe72iH3qOWXHyPBQeeyyXBB0e%2BkCMXMCHTi5C5EfLrwxlmJlnoivploSn%2BK0KXpx6EstlOL4B6IojlKkZz6fDofvnH0O4QjJUK6mvFLCf7uEvPW07qGpbmq61AnoyRn"}],"group":"cf-nel","max_age":604800}
content-type
image/png
vary
Accept-Encoding
cache-control
public, max-age=172800, immutable
accept-ranges
bytes
cf-ray
7ab42357a866a7ff-SYD
analytics.js
www.google-analytics.com/
49 KB
20 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-57R6KJM&gtm_auth=&gtm_preview=&gtm_cookies_win=x
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
74.125.24.113 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
sf-in-f113.1e100.net
Software
Golfe2 /
Resource Hash
5971b095cff574a66d35ada016d4c077c86e2dea62e9c0f14cf7c94b258619de
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Tue, 21 Mar 2023 04:31:17 GMT
last-modified
Tue, 10 Jan 2023 21:29:14 GMT
server
Golfe2
age
7064
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20085
expires
Tue, 21 Mar 2023 06:31:17 GMT
js
www.googletagmanager.com/gtag/
242 KB
82 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-SF1BGBDCNS&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-57R6KJM&gtm_auth=&gtm_preview=&gtm_cookies_win=x
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
74.125.68.97 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
sc-in-f97.1e100.net
Software
Google Tag Manager /
Resource Hash
c080d19556215d421148dc52bb58174df161c526eb6cb4e39629401515ad7b0f
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

date
Tue, 21 Mar 2023 06:29:00 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
83605
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
Tue, 21 Mar 2023 06:29:00 GMT
collect
www.google-analytics.com/g/
0
175 B
Ping
General
Full URL
https://www.google-analytics.com/g/collect?v=2&tid=G-SF1BGBDCNS&gtm=45je33f0&_p=456084543&cid=1987463050.1679380141&ul=en-us&sr=1600x1200&uaa=&uab=&uafvl=&uamb=0&uam=&uap=&uapv=&uaw=0&_s=1&sid=1679380141&sct=1&seg=0&dl=https%3A%2F%2Fwww.freecodecamp.org%2F&dt=Learn%20to%20Code%20%E2%80%94%20For%20Free%20%E2%80%94%20Coding%20Courses%20for%20Busy%20People&en=page_view&_fv=1&_nsi=1&_ss=1
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-SF1BGBDCNS&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
74.125.24.113 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
sf-in-f113.1e100.net
Software
Golfe2 /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

accept-language
en-AU,en;q=0.9
Referer
https://www.freecodecamp.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36

Response headers

pragma
no-cache
date
Tue, 21 Mar 2023 06:29:01 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.freecodecamp.org
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
www.google-analytics.com/j/
4 B
94 B
XHR
General
Full URL
https://www.google-analytics.com/j/collect?v=1&_v=j99&a=456084543&t=pageview&_s=1&dl=https%3A%2F%2Fwww.freecodecamp.org%2F&ul=en-us&de=UTF-8&dt=Learn%20to%20Code%20%E2%80%94%20For%20Free%20%E2%80%94%20Coding%20Courses%20for%20Busy%20People&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAEABAAAAACAAI~&jid=1701970926&gjid=1727994901&cid=1987463050.1679380141&tid=UA-55446531-10&_gid=18852933.1679380141&_r=1&_slc=1&gtm=45He33f0n8157R6KJM&z=1923063957
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
74.125.24.113 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
sf-in-f113.1e100.net
Software
Golfe2 /
Resource Hash
aec60bc104db041b1512185839f18f52986df7e569e5445f740dd60f763fbca8
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://www.freecodecamp.org/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
date
Tue, 21 Mar 2023 06:29:01 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.freecodecamp.org
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
4
expires
Fri, 01 Jan 1990 00:00:00 GMT
rum
www.freecodecamp.org/cdn-cgi/
0
175 B
XHR
General
Full URL
https://www.freecodecamp.org/cdn-cgi/rum?
Requested by
Host: static.cloudflareinsights.com
URL: https://static.cloudflareinsights.com/beacon.min.js/vaafb692b2aea4879b33c060e79fe94621666317369993
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.67.70.149 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Referer
https://www.freecodecamp.org/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36
content-type
application/json

Response headers

date
Tue, 21 Mar 2023 06:29:01 GMT
x-content-type-options
nosniff
server
cloudflare
vary
Origin
access-control-max-age
86400
access-control-allow-methods
POST,OPTIONS
access-control-allow-origin
https://www.freecodecamp.org
x-frame-options
DENY
access-control-allow-credentials
true
cf-ray
7ab4235b8cf8a7ff-SYD
collect
stats.g.doubleclick.net/j/
1 B
350 B
XHR
General
Full URL
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j99&tid=UA-55446531-10&cid=1987463050.1679380141&jid=1701970926&gjid=1727994901&_gid=18852933.1679380141&_u=YADAAEAAAAAAACAAI~&z=1293835165
Requested by
Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
74.125.24.157 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
sf-in-f157.1e100.net
Software
Golfe2 /
Resource Hash
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.freecodecamp.org/
accept-language
en-AU,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.5563.64 Safari/537.36
Content-Type
text/plain

Response headers

pragma
no-cache
strict-transport-security
max-age=10886400; includeSubDomains; preload
date
Tue, 21 Mar 2023 06:29:01 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://www.freecodecamp.org
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
1
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

28 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.

boolean| credentialless string| pagePath object| ___chunkMapping object| webpackChunk_freecodecamp_client object| __cfBeacon object| SENTRY_RELEASE object| __SENTRY__ object| core object| regeneratorRuntime object| dataLayer object| FontAwesomeConfig object| ___FONT_AWESOME___ object| asyncRequires object| ___emitter object| ___loader function| ___push function| ___replace function| ___navigate object| Sentry string| ___webpackCompilationHash object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga function| onYouTubeIframeAPIReady object| gaGlobal object| gaplugins object| gaData

4 Cookies

Domain/Path Name / Value
.freecodecamp.org/ Name: _ga_SF1BGBDCNS
Value: GS1.1.1679380141.1.0.1679380141.0.0.0
.freecodecamp.org/ Name: _ga
Value: GA1.2.1987463050.1679380141
.freecodecamp.org/ Name: _gid
Value: GA1.2.18852933.1679380141
.freecodecamp.org/ Name: _gat_UA-55446531-10
Value: 1

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 default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self';
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

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.

api.gb.freecodecamp.org
freecodecamp.org
static.cloudflareinsights.com
stats.g.doubleclick.net
www.freecodecamp.org
www.google-analytics.com
www.googletagmanager.com
104.16.57.101
104.26.3.33
159.223.179.148
172.67.70.149
74.125.24.113
74.125.24.157
74.125.68.97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