reactjs.org Open in urlscan Pro
76.76.21.21 Public Scan

Go To Rescan
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Submitted URL:
https://fb.me/react-devtools
Effective URL:
https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
Submission: On October 25 via manual (October 25th 2021, 9:40:55 pm UTC) from PH — Scanned from DE

Summary HTTP 73 Redirects Links 18 Behaviour Indicators

Summary

This website contacted 4 IPs in 2 countries across 5 domains to perform 73 HTTP transactions. The main IP is 76.76.21.21, located in Charlotte, United States and belongs to AMAZON-02, US. The main domain is reactjs.org.
TLS certificate: Issued by R3 on September 16th 2021. Valid for: 3 months.

This is the only time reactjs.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	31.13.84.36 31.13.84.36	32934 (FACEBOOK) (FACEBOOK)
1 1	185.199.111.153 185.199.111.153	54113 (FASTLY) (FASTLY)
1 71	76.76.21.21 76.76.21.21	16509 (AMAZON-02) (AMAZON-02)
1	104.16.126.175 104.16.126.175	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	142.250.181.238 142.250.181.238	15169 (GOOGLE) (GOOGLE)
73	4

1 31.13.84.36 (Ireland) 1 redirects

ASN32934 (FACEBOOK, US)
PTR: edge-star-mini-shv-01-vie1.facebook.com

fb.me	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 185.199.111.153 (United States) 1 redirects

ASN54113 (FASTLY, US)
PTR: cdn-185-199-111-153.github.com

facebook.github.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

71 76.76.21.21 (Charlotte, United States) 1 redirects

ASN16509 (AMAZON-02, US)

reactjs.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 104.16.126.175 (United States)

ASN13335 (CLOUDFLARENET, US)

unpkg.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 142.250.181.238 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s56-in-f14.1e100.net

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
71	reactjs.org 1 redirects reactjs.org	2 MB
2	google-analytics.com www.google-analytics.com	20 KB
1	unpkg.com unpkg.com	36 KB
1	github.io 1 redirects facebook.github.io	340 B
1	fb.me 1 redirects fb.me	1023 B
73	5

	Domain	Requested by
71	reactjs.org	1 redirects reactjs.org
2	www.google-analytics.com	reactjs.org www.google-analytics.com
1	unpkg.com	reactjs.org
1	facebook.github.io	1 redirects
1	fb.me	1 redirects
73	5

This site contains links to these domains. Also see Links.

Domain
surveys.savanta.com
github.com
sophiebits.com
chrome.google.com
addons.mozilla.org
microsoftedge.microsoft.com
stackoverflow.com
discord.gg
dev.to
www.facebook.com
twitter.com
reactnative.dev
opensource.facebook.com

Subject Issuer	Validity	Valid
reactjs.org R3	`2021-09-16` - `2021-12-15`	3 months	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2021-07-02` - `2022-07-01`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2021-10-04` - `2021-12-27`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
Frame ID: 55E3A1FD1E23A3336154D2FA46E71F8F
Requests: 75 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

New React Developer Tools – React Blog

Page URL History Show full URLs

https://fb.me/react-devtools HTTP 301
https://facebook.github.io/react/blog/2015/09/02/new-react-developer-tools.html HTTP 301
http://reactjs.org/blog/2015/09/02/new-react-developer-tools.html HTTP 308
https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html Page URL

Detected technologies

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Page Statistics

73
Requests

100 %
HTTPS

0 %
IPv6

5
Domains

5
Subdomains

4
IPs

2
Countries

1983 kB
Transfer

2882 kB
Size

3
Cookies

18 Outgoing links

These are links going to different origins than the main page.

URL: https://surveys.savanta.com/survey/selfserve/21e3/210643?list=2

Search URL Search Domain Scan URL

URL: https://github.com/facebook/react/
Title: GitHub

Search URL Search Domain Scan URL

URL: https://sophiebits.com/
Title: Sophie Alpert

Search URL Search Domain Scan URL

URL: https://chrome.google.com/webstore/detail/react-developer-tools/fmkadmapgofadopljbjfkapdkoienihi
Title: Chrome Web Store

Search URL Search Domain Scan URL

URL: https://addons.mozilla.org/en-US/firefox/addon/react-devtools/
Title: Firefox Add-ons

Search URL Search Domain Scan URL

URL: https://microsoftedge.microsoft.com/addons/detail/gpphkfbcpidddadnkolkpfckpihlkkil
Title: Microsoft Edge Addons

Search URL Search Domain Scan URL

URL: https://github.com/facebook/react
Title: React GitHub repo

Search URL Search Domain Scan URL

URL: https://github.com/reactjs/reactjs.org/tree/main/content/blog/2015-09-02-new-react-developer-tools.md
Title: Edit this page

Search URL Search Domain Scan URL

URL: https://stackoverflow.com/questions/tagged/reactjs
Title: Stack Overflow

Search URL Search Domain Scan URL

URL: https://discord.gg/reactiflux
Title: Reactiflux Chat

Search URL Search Domain Scan URL

URL: https://dev.to/t/react
Title: DEV Community

Search URL Search Domain Scan URL

URL: https://www.facebook.com/react
Title: Facebook

Search URL Search Domain Scan URL

URL: https://twitter.com/reactjs
Title: Twitter

Search URL Search Domain Scan URL

URL: https://github.com/facebook/react/blob/main/CODE_OF_CONDUCT.md
Title: Code of Conduct

Search URL Search Domain Scan URL

URL: https://reactnative.dev/
Title: React Native

Search URL Search Domain Scan URL

URL: https://opensource.facebook.com/legal/privacy
Title: Privacy

Search URL Search Domain Scan URL

URL: https://opensource.facebook.com/legal/terms
Title: Terms

Search URL Search Domain Scan URL

URL: https://opensource.facebook.com/projects/

Search URL Search Domain Scan URL

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

https://fb.me/react-devtools HTTP 301
https://facebook.github.io/react/blog/2015/09/02/new-react-developer-tools.html HTTP 301
http://reactjs.org/blog/2015/09/02/new-react-developer-tools.html HTTP 308
https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

73 HTTP transactions
2 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request new-react-developer-tools.html Show response
reactjs.org/blog/2015/09/02/
Redirect Chain

https://fb.me/react-devtools
https://facebook.github.io/react/blog/2015/09/02/new-react-developer-tools.html
http://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

93 KB
25 KB

39ms
13ms

Document
text/html

76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Vercel /

Resource Hash

04ec91f89ca94020401bae055dd8dd15151dbb1968863a5f3a7ce1efc6fb7751

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

:method: GET
:authority: reactjs.org
:scheme: https
:path: /blog/2015/09/02/new-react-developer-tools.html
pragma: no-cache
cache-control: no-cache
upgrade-insecure-requests: 1
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
accept-language: de-DE,de;q=0.9
accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site: none
sec-fetch-mode: navigate
sec-fetch-user: ?1
sec-fetch-dest: document
accept-encoding: gzip, deflate, br
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Accept-Language: de-DE,de;q=0.9

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
content-type: text/html; charset=utf-8
cache-control: public,max-age=0,must-revalidate
content-disposition: inline; filename="new-react-developer-tools.html"
etag: W/"04ec91f89ca94020401bae055dd8dd15151dbb1968863a5f3a7ce1efc6fb7751"
access-control-allow-origin: *
age: 17878
x-vercel-cache: HIT
server: Vercel
x-vercel-id: fra1:fra1::xzd7b-1635198051160-7720fb3cd076
strict-transport-security: max-age=63072000
content-encoding: br

Redirect headers

Date: Mon, 25 Oct 2021 21:40:51 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Location: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
Refresh: 0;url=https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
server: Vercel
x-vercel-id: fra1::lf974-1635198051126-c572213dd3e2

GET
H2 200 docsearch.min.js Show response
unpkg.com/docsearch.js@2.4.1/dist/cdn/ 109 KB
36 KB 43ms
20ms Script
application/javascript 104.16.126.175
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://unpkg.com/docsearch.js@2.4.1/dist/cdn/docsearch.min.js

Requested by

Host: reactjs.org
URL: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.126.175 , United States, ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

fdc479f17793ec54bfe10116087263fd3749e1bdfbed27fda740d1b68e88e9c2

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

Accept-Language: de-DE,de;q=0.9
Referer: https://reactjs.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
via: 1.1 fly.io
x-content-type-options: nosniff
cf-cache-status: HIT
age: 16043834
fly-request-id: 01F3YHS6JZ5ZWWQGS1MM9QVE6C
content-encoding: br
vary: Accept-Encoding
last-modified: Tue, 08 Aug 2017 18:43:20 GMT
server: cloudflare
etag: W/"1b458-pr9v4t76RVHcQF/fhV8gFjj68B8"
expect-ct: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security: max-age=31536000; includeSubDomains; preload
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=31536000
cf-ray: 6a3e9b0c2b0a7174-DUS

GET
H2 200 webpack-runtime-8d6a0b1c55b3eed3877a.js Show response
reactjs.org/ 3 KB
2 KB 11ms
9ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://reactjs.org/webpack-runtime-8d6a0b1c55b3eed3877a.js

Requested by

Host: reactjs.org
URL: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Vercel /

Resource Hash

d55a09d67da30793fb0f33d228f21019bf00b33391ca9f8434e05c4fcc01ed5a

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

:path: /webpack-runtime-8d6a0b1c55b3eed3877a.js
pragma: no-cache
accept-encoding: gzip, deflate, br
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/93.0.4577.63 Safari/537.36
sec-fetch-mode: no-cors
accept: */*
cache-control: no-cache
sec-fetch-dest: script
:authority: reactjs.org
referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
:scheme: https
sec-fetch-site: same-origin
:method: GET
Accept-Language: de-DE,de;q=0.9
Referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
content-encoding: br
server: Vercel
age: 483468
x-vercel-id: fra1:fra1::xzd7b-1635198051206-dc7db176c375
etag: W/"d55a09d67da30793fb0f33d228f21019bf00b33391ca9f8434e05c4fcc01ed5a"
strict-transport-security: max-age=63072000
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="webpack-runtime-8d6a0b1c55b3eed3877a.js"
x-vercel-cache: HIT

GET
H2 200 styles-fb708593b484b04b1765.js Show response
reactjs.org/ 118 B
282 B 36ms
34ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://reactjs.org/styles-fb708593b484b04b1765.js

Requested by

Host: reactjs.org
URL: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Vercel /

Resource Hash

ddb80f6901faadb4560c533efa13d4b35dd3713cc7e41911d38fa9d011e5d143

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

:path: /styles-fb708593b484b04b1765.js
pragma: no-cache
accept-encoding: gzip, deflate, br
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/93.0.4577.63 Safari/537.36
sec-fetch-mode: no-cors
accept: */*
cache-control: no-cache
sec-fetch-dest: script
:authority: reactjs.org
referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
:scheme: https
sec-fetch-site: same-origin
:method: GET
Accept-Language: de-DE,de;q=0.9
Referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
server: Vercel
age: 483467
x-vercel-id: fra1:fra1::xzd7b-1635198051206-7c8b0b958ee3
etag: W/"ddb80f6901faadb4560c533efa13d4b35dd3713cc7e41911d38fa9d011e5d143"
strict-transport-security: max-age=63072000
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="styles-fb708593b484b04b1765.js"
accept-ranges: bytes
x-vercel-cache: HIT
content-length: 118

GET
H2 200 framework-ff9c508ebfda0f33cb0b.js Show response
reactjs.org/ 127 KB
43 KB 15ms
13ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://reactjs.org/framework-ff9c508ebfda0f33cb0b.js

Requested by

Host: reactjs.org
URL: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Vercel /

Resource Hash

ef65760922de53052b33e91184f04fa6c0dac61f72dc14eaffa28772dedbb4e1

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

:path: /framework-ff9c508ebfda0f33cb0b.js
pragma: no-cache
accept-encoding: gzip, deflate, br
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/93.0.4577.63 Safari/537.36
sec-fetch-mode: no-cors
accept: */*
cache-control: no-cache
sec-fetch-dest: script
:authority: reactjs.org
referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
:scheme: https
sec-fetch-site: same-origin
:method: GET
Accept-Language: de-DE,de;q=0.9
Referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
content-encoding: br
server: Vercel
age: 483360
x-vercel-id: fra1:fra1::xzd7b-1635198051206-d3cd4227706e
etag: W/"ef65760922de53052b33e91184f04fa6c0dac61f72dc14eaffa28772dedbb4e1"
strict-transport-security: max-age=63072000
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="framework-ff9c508ebfda0f33cb0b.js"
x-vercel-cache: HIT

GET
H2 200 app-ecc13428e12aa02d49d6.js Show response
reactjs.org/ 180 KB
51 KB 19ms
17ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://reactjs.org/app-ecc13428e12aa02d49d6.js

Requested by

Host: reactjs.org
URL: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Vercel /

Resource Hash

fd9778946bd79dc1d0e8b3eaf9b8d303f33e045ecf5e3023dab1b1f5d53cc1fa

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

:path: /app-ecc13428e12aa02d49d6.js
pragma: no-cache
accept-encoding: gzip, deflate, br
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/93.0.4577.63 Safari/537.36
sec-fetch-mode: no-cors
accept: */*
cache-control: no-cache
sec-fetch-dest: script
:authority: reactjs.org
referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
:scheme: https
sec-fetch-site: same-origin
:method: GET
Accept-Language: de-DE,de;q=0.9
Referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
content-encoding: br
server: Vercel
age: 1300
x-vercel-id: fra1:fra1::xzd7b-1635198051215-2642523c0e06
etag: W/"fd9778946bd79dc1d0e8b3eaf9b8d303f33e045ecf5e3023dab1b1f5d53cc1fa"
strict-transport-security: max-age=63072000
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="app-ecc13428e12aa02d49d6.js"
x-vercel-cache: HIT

GET
H2 200 commons-29ce92a47ab10fd1f355.js Show response
reactjs.org/ 35 KB
14 KB 37ms
35ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://reactjs.org/commons-29ce92a47ab10fd1f355.js

Requested by

Host: reactjs.org
URL: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Vercel /

Resource Hash

a641411b357ee53254bf95e50ec640d7adc1addaf671331ee24a33ce862922cf

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

:path: /commons-29ce92a47ab10fd1f355.js
pragma: no-cache
accept-encoding: gzip, deflate, br
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/93.0.4577.63 Safari/537.36
sec-fetch-mode: no-cors
accept: */*
cache-control: no-cache
sec-fetch-dest: script
:authority: reactjs.org
referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
:scheme: https
sec-fetch-site: same-origin
:method: GET
Accept-Language: de-DE,de;q=0.9
Referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
content-encoding: br
server: Vercel
age: 483361
x-vercel-id: fra1:fra1::xzd7b-1635198051215-08073c8648e7
etag: W/"a641411b357ee53254bf95e50ec640d7adc1addaf671331ee24a33ce862922cf"
strict-transport-security: max-age=63072000
content-type: application/javascript; charset=utf-8
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user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
accept: application/signed-exchange;v=b3;q=0.9,*/*;q=0.8
cache-control: no-cache
:authority: reactjs.org
referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
:scheme: https
sec-fetch-site: same-origin
:method: GET
Accept-Language: de-DE,de;q=0.9
Referer: https://reactjs.org/blog/2015/09/02/new-react-developer-tools.html
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date: Mon, 25 Oct 2021 21:40:51 GMT
content-encoding: br
server: Vercel
age: 483360
x-vercel-id: fra1:fra1::xzd7b-1635198051475-e0899777146a
etag: W/"31e2d69bae9bee1b78e140df37b7637529bc19fe952d31ffc195371933f2aa00"
strict-transport-security: max-age=63072000
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="component---src-templates-community-js-9df811bd3b8de22ed5da.js"
x-vercel-cache: HIT

Verdicts & Comments Add Verdict or Comment

25 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.

3 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.reactjs.org/	1970-01-20 15:44:30	Name: _ga Value: GA1.2.1456027595.1635198051
.reactjs.org/	1970-01-19 22:14:44	Name: _gid Value: GA1.2.1741776680.1635198051
.reactjs.org/	1970-01-19 22:13:18	Name: _gat Value: 1

1 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
network	error	URL: https://reactjs.org/page-data/blog/page-data.json Message: Failed to load resource: the server responded with a status of 404 ()

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=63072000

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.

facebook.github.io
fb.me
reactjs.org
unpkg.com
www.google-analytics.com
104.16.126.175
142.250.181.238
185.199.111.153
31.13.84.36
76.76.21.21
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reactjs.org Open in urlscan Pro 76.76.21.21 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Detected technologies

Page Statistics

73 Requests

100 %HTTPS

0 %IPv6

5 Domains

5 Subdomains

4 IPs

2 Countries

1983 kBTransfer

2882 kBSize

3 Cookies

18 Outgoing links

Page URL History

Redirected requests

73 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 2 data transactions

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reactjs.org Open in urlscan Pro
76.76.21.21 Public Scan

Screenshot
Live screenshot

Full Image

73
Requests

100 %
HTTPS

0 %
IPv6

5
Domains

5
Subdomains

4
IPs

2
Countries

1983 kB
Transfer

2882 kB
Size

3
Cookies

73 HTTP transactions
2 data transactions