URL: https://www.freecodecamp.org/nflow1
Submission: On May 18 via manual from IN — Scanned from DE

Summary

This website contacted 8 IPs in 4 countries across 6 domains to perform 38 HTTP transactions. The main IP is 2606:4700:20::681a:221, 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 59403.
TLS certificate: Issued by R3 on April 4th 2023. Valid for: 3 months.
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
29 2606:4700:20:... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2001:4860:480... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 159.223.179.148 14061 (DIGITALOC...)
1 51.38.57.100 16276 (OVH)
38 8
Apex Domain
Subdomains
Transfer
30 freecodecamp.org
www.freecodecamp.org — Cisco Umbrella Rank: 59403
api.gb.freecodecamp.org — Cisco Umbrella Rank: 475491
api.freecodecamp.org — Cisco Umbrella Rank: 411066
1 MB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 30
region1.google-analytics.com — Cisco Umbrella Rank: 2230
21 KB
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 40
133 KB
1 algolia.net
qmjyl5wyti-dsn.algolia.net — Cisco Umbrella Rank: 501075
2 KB
1 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 76
350 B
1 cloudflareinsights.com
static.cloudflareinsights.com — Cisco Umbrella Rank: 875
7 KB
38 6
Domain Requested by
28 www.freecodecamp.org www.freecodecamp.org
static.cloudflareinsights.com
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 www.googletagmanager.com www.freecodecamp.org
www.googletagmanager.com
1 qmjyl5wyti-dsn.algolia.net www.freecodecamp.org
1 api.freecodecamp.org www.freecodecamp.org
1 api.gb.freecodecamp.org www.freecodecamp.org
1 stats.g.doubleclick.net www.google-analytics.com
1 region1.google-analytics.com www.googletagmanager.com
1 static.cloudflareinsights.com www.freecodecamp.org
38 9
Subject Issuer Validity Valid
www.freecodecamp.org
R3
2023-04-04 -
2023-07-03
3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2023-04-10 -
2024-04-09
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-04-24 -
2023-07-17
3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3
2023-04-24 -
2023-07-17
3 months crt.sh
api.gb.freecodecamp.org
R3
2023-04-04 -
2023-07-03
3 months crt.sh
api.freecodecamp.org
R3
2023-04-04 -
2023-07-03
3 months crt.sh
algolia.net
Sectigo RSA Organization Validation Secure Server CA
2022-12-20 -
2024-01-19
a year crt.sh

This page contains 1 frames:

Primary Page: https://www.freecodecamp.org/nflow1
Frame ID: 1FADB5639EC01C5364F575508D2AACCE
Requests: 38 HTTP requests in this frame

Screenshot

Page Title

Profile | freeCodeCamp.orgDefault Avatar

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

38
Requests

100 %
HTTPS

75 %
IPv6

6
Domains

9
Subdomains

8
IPs

4
Countries

1252 kB
Transfer

4438 kB
Size

7
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

38 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request nflow1
www.freecodecamp.org/
259 KB
47 KB
Document
General
Full URL
https://www.freecodecamp.org/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5c78791d20c0ed0cd12af0071717c3d810ea203111fc477018921c9a8e2b1818
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/113.0.5672.126 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
public, max-age=0, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
7c93e9916aa29a23-FRA
content-disposition
inline; filename="404.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
Thu, 18 May 2023 11:55:39 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=TzxXofhQE7Aw3F2bjtGk0c4W%2BreV%2BTshD6VD%2BxyQgJOdYm6%2FIzGuaNTzxwlJhoVqS7itux24yAaKsoUNCdloF77bgw3GRtRfV%2FfHRle81cudOYHg8qa%2BeY2oltYmqs6l4nZ2YIMWy5J%2B4WRBVAEAJsML"}],"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
bootstrap.min.css
www.freecodecamp.org/css/
108 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/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
87d079848d48036dfaf434f996ae1823f3b4fb338d4df344e33b47abefede66d
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
de-DE,de;q=0.9
Referer
https://www.freecodecamp.org/nflow1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:39 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
11544
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/"b9e72dea2ae94f10c5309f0f3b7a72fcf736f8f9"
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=awYtjJCnAhBxiiTvUE5qWwyZbbuQC9UAMG9ngVV1dQ%2B2mWVczNXtX0G2Yog8puDpbdf5RKoGRVoClYY%2BGzczMs1Px1mQx%2BolKECPpXV6gemoyZijRgqUwsH4%2FqWQmT%2B2wan9muOe216lo7EerSdYDQYE"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=14400, stale-while-revalidate=172800, must-revalidate
cf-ray
7c93e9941dd49a23-FRA
webpack-runtime-5b1cd262704d493350a0.js
www.freecodecamp.org/
10 KB
5 KB
Script
General
Full URL
https://www.freecodecamp.org/webpack-runtime-5b1cd262704d493350a0.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8e07ed33a3ebafad37353b6698c989fc9814d875f0b0755165eafeb96d637565
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
de-DE,de;q=0.9
Referer
https://www.freecodecamp.org/nflow1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:39 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
68125
content-encoding
br
content-disposition
inline; filename="webpack-runtime-5b1cd262704d493350a0.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"555d97dd328caa4427858984b22a20fde9099123"
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=29bIUmGxeSBASOnmxJndFnQTTmWz%2FcL2KbyIU%2Bug%2FieECFTl6OwmWsOVreuVW8h6idQ0NLy8ERhj0U3GxrQLMTRms%2BnrhARHUKerIiF58t97kq6%2FNlVqS9LWVlkfojMhrRZ9AADzJkmBsjwA1Q9hdtWO"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7c93e994ce8a9a23-FRA
framework-569c3de31f1a56e8a9ad.js
www.freecodecamp.org/
145 KB
45 KB
Script
General
Full URL
https://www.freecodecamp.org/framework-569c3de31f1a56e8a9ad.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
85a09662bfca9ffd79430dc7111aa165cf0645f4afddd687257039645916420d
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
de-DE,de;q=0.9
Referer
https://www.freecodecamp.org/nflow1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:39 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
74758
content-encoding
br
content-disposition
inline; filename="framework-569c3de31f1a56e8a9ad.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"ef87250b5094a5d55c2b43aa08660675d26546d4"
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=BNx55rtNOLNUkLdbGEsz2RZvTgjFMxe19xavEnWTeZk25uEFpRwk6dLyHy1tjqSaCmZZfXWYswcf8LvDwMcXkJYol8%2B9ytnGDqZgjm8nPi9bL4y1UCXeLOOfOQew26oBepLpoQTfkEo3ltIPODAUqU%2Bk"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7c93e994ce8c9a23-FRA
3d1304c3-ed996d7beb04f333ed7d.js
www.freecodecamp.org/
7 KB
3 KB
Script
General
Full URL
https://www.freecodecamp.org/3d1304c3-ed996d7beb04f333ed7d.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
57ffb382db14bdd559f0608baf3bb189e6b14380364d00917ef0e2117ebef3b8
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
de-DE,de;q=0.9
Referer
https://www.freecodecamp.org/nflow1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:39 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
74758
content-encoding
br
content-disposition
inline; filename="3d1304c3-ed996d7beb04f333ed7d.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"0806bdc97993ac3492552cf695f6ff566b37bb81"
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=RRdKxG3POrLYjM5ma490Oc7nM1uWCsbKPVrS4jC1BBTsmEvyF0wwEm1VjyKaYtznKxw%2BUqLm0Zj6kZqnr3xeyQmS0ivB%2FPES1ClTYdayjzVDTPBV4pTel3bmi%2F4YW5XFeHmJ8YGENRU1pOp9SJ1oFDx8"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7c93e994ce8d9a23-FRA
66e96ce7-c867c0fc7851df511b28.js
www.freecodecamp.org/
3 KB
2 KB
Script
General
Full URL
https://www.freecodecamp.org/66e96ce7-c867c0fc7851df511b28.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0284ae44bb568753e6b5351b885770211d0704e80d958e1b0a2022b9fb1d8e43
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
de-DE,de;q=0.9
Referer
https://www.freecodecamp.org/nflow1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:39 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
74758
content-encoding
br
content-disposition
inline; filename="66e96ce7-c867c0fc7851df511b28.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"462cb2f42c5f5d9bbf7c502c10d076e825d6c64a"
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=YWNcaEeqys5ThU%2BAXIqG7BoTQ0Ym3FHF445HHeuZk%2BrFroR3R0YcFqCaxb2YJMvnJd%2BfganLDLHLWDVvJ%2BmpDPT2tYfR2UOJSYPkHp6CN4c735he%2BqQOvTshtO%2F4m4jyny2wLA6pU5DsF32IgdWnZUJp"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7c93e994ce8e9a23-FRA
app-9d3a502e9e84dc3aac65.js
www.freecodecamp.org/
1 MB
342 KB
Script
General
Full URL
https://www.freecodecamp.org/app-9d3a502e9e84dc3aac65.js
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
19b9f3770fe61ef39e797c698412a0530d95ba6a77c8cc405315a70c9a3839d5
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
de-DE,de;q=0.9
Referer
https://www.freecodecamp.org/nflow1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:39 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
68125
content-encoding
br
content-disposition
inline; filename="app-9d3a502e9e84dc3aac65.js"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"f8daa3cd944844d768a94f1a5225f3c70234efd2"
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=LESBAtv5Y%2Faao1xJSSvFD9wRVjm31OzIwHb3q8u6Ik8T%2F%2BJdK5gP1sYOTSZ%2BGY%2FN198Qbst0gIndctMmTdg477iviAy5wj7SSGceQj0wTgQ2PzXlzIi9RsNlLDX%2BEBxWis7pFag5WToWgwD8kH6hUIbk"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7c93e994ce8f9a23-FRA
page-data.json
www.freecodecamp.org/page-data/404.html/
173 B
506 B
Other
General
Full URL
https://www.freecodecamp.org/page-data/404.html/page-data.json
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/nflow1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
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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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etag
W/"6c2-eWj+fLkYQL5kP1JDcj+MQLJf610"
x-frame-options
SAMEORIGIN, SAMEORIGIN
vary
Origin, Accept-Encoding
content-type
application/json; charset=utf-8
access-control-allow-origin
https://www.freecodecamp.org
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=e2G%2Fx2XiCOqrlrwXNQtNQ49SAEy7JTorTPVj4fuMYF1PW5pWOGYDR1qC0uEohFZma3tjd7a9iFJO2MTOfvdD%2B469kS5Lps9rofhhq4podSoOPg8Lui6efSyKljwOJjilHf32S0qTSozh5wjXZxag3gp1"}],"group":"cf-nel","max_age":604800}
access-control-allow-credentials
true
cf-ray
7c93e99b2885698f-FRA
access-control-allow-headers
Origin, X-Requested-With, Content-Type, Accept
freeCodeCamp-404-986b65460a39b608aac138e7a1b1d177.svg
www.freecodecamp.org/static/
25 KB
9 KB
Image
General
Full URL
https://www.freecodecamp.org/static/freeCodeCamp-404-986b65460a39b608aac138e7a1b1d177.svg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a674b8950cc37cc74d0f93af60180fdcd9fe086c874818ab9f54dd94554b7078
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
de-DE,de;q=0.9
Referer
https://www.freecodecamp.org/nflow1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:40 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
6314
content-encoding
br
content-disposition
inline; filename="freeCodeCamp-404-986b65460a39b608aac138e7a1b1d177.svg"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"a133572fb038ba4526c6a4e68553e5fd522c5dbb"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
image/svg+xml
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=0oPjbSIJ2OcaHkgmR7F9ayzpNa6FZTe0xNJSEc8IQT4%2Bx7WmVH3Ly%2FqgMAZdCKKBudom6ctKcgwyAOXsuQZSO0L8%2B8gWYQISTefN7Ub%2FjEiO%2FPjC0OVxRAiP9W9sZrMt1r1ZHBVzxjvpcgGWJqtQS88h"}],"group":"cf-nel","max_age":604800}
cache-control
public, max-age=172800, immutable
cf-ray
7c93e99abcdb9a23-FRA
Lato-Italic-251de5f48806485e4c5a8a2558f9b377.woff
www.freecodecamp.org/static/
38 KB
39 KB
Font
General
Full URL
https://www.freecodecamp.org/static/Lato-Italic-251de5f48806485e4c5a8a2558f9b377.woff
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700:20::681a:221 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8e6c68d1fe5b5688282358dae00b4d3549539d1aa1b49aefa499ff91739d9280
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

Referer
https://www.freecodecamp.org/nflow1
Origin
https://www.freecodecamp.org
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36

Response headers

date
Thu, 18 May 2023 11:55:40 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
72270
content-encoding
br
content-disposition
inline; filename="Lato-Italic-251de5f48806485e4c5a8a2558f9b377.woff"
x-xss-protection
1; mode=block
referrer-policy
no-referrer-when-downgrade
server
cloudflare
etag
W/"41074b5872d2c35c4b63594bdc0e8443a16a3254"
x-frame-options
SAMEORIGIN
report-to
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=ublAs7fWz6Qzyo3Q6o6h1ijuKYdYzVzjNL6KMqQGogNQ8PGINa53aNCwbkGDOlSCUwqOQTVom9%2FcC%2FL6aR61dBNYHcU%2FPSBm3BCiu2Xyhnf4SuFWDeSOX%2F2Xgj91FeR7gmUtNH8aRj16I6wdyLBHZAht"}],"group":"cf-nel","max_age":604800}
content-type
application/font-woff
vary
Accept-Encoding
cache-control
public, max-age=172800, immutable
cf-ray
7c93e99afd1d9a23-FRA
queries
qmjyl5wyti-dsn.algolia.net/1/indexes/*/
7 KB
2 KB
XHR
General
Full URL
https://qmjyl5wyti-dsn.algolia.net/1/indexes/*/queries?x-algolia-agent=Algolia%20for%20JavaScript%20(4.17.0)%3B%20Browser%20(lite)%3B%20JS%20Helper%20(3.11.3)%3B%20react%20(16.14.0)%3B%20react-instantsearch%20(6.39.1)&x-algolia-api-key=89770b24481654192d7a5c402c6ad9a0&x-algolia-application-id=QMJYL5WYTI
Requested by
Host: www.freecodecamp.org
URL: https://www.freecodecamp.org/7337-c13448f4191f63027a03.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
51.38.57.100 Paris, France, ASN16276 (OVH, FR),
Reverse DNS
ns3121063.ip-51-38-57.eu
Software
nginx /
Resource Hash
dbe5c31efdfaa2519f6207d386461a9905a0d2b9a154de4d258836064dc3b8cc
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://www.freecodecamp.org/nflow1
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/113.0.5672.126 Safari/537.36
content-type
application/x-www-form-urlencoded

Response headers

Date
Thu, 18 May 2023 11:55:40 GMT
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Content-Type-Options
nosniff
Accept-Encoding
deflate, gzip
X-Alg-PT
1
Server
nginx
Content-Encoding
gzip
Transfer-Encoding
chunked
Content-Type
application/json; charset=UTF-8
Access-Control-Allow-Origin
*
Cache-Control
no-store
Content-Disposition
inline; filename=a.txt
Connection
keep-alive
Timing-Allow-Origin
*

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 object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga function| onYouTubeIframeAPIReady object| gaGlobal object| gaplugins object| gaData string| ___webpackCompilationHash

7 Cookies

Domain/Path Name / Value
.freecodecamp.org/ Name: _ga_SF1BGBDCNS
Value: GS1.1.1684410940.1.0.1684410940.0.0.0
.freecodecamp.org/ Name: _ga
Value: GA1.2.2044863649.1684410940
.freecodecamp.org/ Name: _gid
Value: GA1.2.30700312.1684410940
.freecodecamp.org/ Name: _gat_UA-55446531-10
Value: 1
.freecodecamp.org/ Name: _csrf
Value: pJ6dQ8XchHJ0Zd03MTi-B2fM
.freecodecamp.org/ Name: csrf_token
Value: pNCfsO9t-DG6vR49iC7AC4nk1KQnsA-RFGIU
api.freecodecamp.org/ Name: connect.sid
Value: s%3ARFeZDw_n--wmUVJB_hovI8nzf3F24t7R.LQs3NYfDGbWkXo9FoiwZVk5LJEaLYegx%2BGdZmni98UM

9 Console Messages

Source Level URL
Text
network error URL: https://www.freecodecamp.org/nflow1
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://www.freecodecamp.org/page-data/nflow1/page-data.json
Message:
Failed to load resource: the server responded with a status of 404 ()
network error URL: https://www.freecodecamp.org/nflow1
Message:
Failed to load resource: the server responded with a status of 404 ()
javascript warning URL: https://www.freecodecamp.org/nflow1
Message:
The resource https://www.freecodecamp.org/static/Hack-ZeroSlash-Italic-678bc16b550480d5a3c5c76dbf8c5fb9.woff was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript warning URL: https://www.freecodecamp.org/nflow1
Message:
The resource https://www.freecodecamp.org/static/Hack-ZeroSlash-Bold-c8ea19a8461596cf1a6a2ad08bebcf8e.woff was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript warning URL: https://www.freecodecamp.org/nflow1
Message:
The resource https://www.freecodecamp.org/static/Lato-Regular-77ca2742388f408c3be7d0ec3e7dc392.woff was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript warning URL: https://www.freecodecamp.org/nflow1
Message:
The resource https://www.freecodecamp.org/static/Lato-Light-91308c0216b40aad16036f1394b98237.woff was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript warning URL: https://www.freecodecamp.org/nflow1
Message:
The resource https://www.freecodecamp.org/static/Hack-ZeroSlash-Regular-f67447de5dc6604f538786bd55ac6019.woff was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.
javascript warning URL: https://www.freecodecamp.org/nflow1
Message:
The resource https://www.freecodecamp.org/static/Lato-Bold-ba3a83adcb94357fc42f762985e4d3df.woff was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.

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.freecodecamp.org
api.gb.freecodecamp.org
qmjyl5wyti-dsn.algolia.net
region1.google-analytics.com
static.cloudflareinsights.com
stats.g.doubleclick.net
www.freecodecamp.org
www.google-analytics.com
www.googletagmanager.com
159.223.179.148
2001:4860:4802:34::36
2606:4700:20::681a:221
2606:4700::6810:3865
2a00:1450:4001:812::200e
2a00:1450:4001:82f::2008
2a00:1450:400c:c02::9a
51.38.57.100
0284ae44bb568753e6b5351b885770211d0704e80d958e1b0a2022b9fb1d8e43
0b0fae0cd76aa21f2c25991dae8b616797344b3536daab1119e51ef3ec8b0c97
10aea3cb8f605e1f7a500935db3e87342d335757a494604652747990f1ffb749
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19b9f3770fe61ef39e797c698412a0530d95ba6a77c8cc405315a70c9a3839d5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