react.dev Open in urlscan Pro
76.76.21.21 Public Scan

Go To Rescan
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Submitted URL:
http://1710372794601.caulaai2.com/91f6d207-ef38-49cb-8564-9bf42fb083f8?n=2&t=1710372781111&l_next=ahr0chm6ly93d3cuamfubmh1y29oaxiu...
Effective URL:
https://react.dev/
Submission: On April 13 via api (April 13th 2024, 8:38:55 pm UTC) from US — Scanned from DE

Summary HTTP 64 Redirects Links 37 Behaviour Indicators

Summary

This website contacted 3 IPs in 2 countries across 5 domains to perform 64 HTTP transactions. The main IP is 76.76.21.21, located in Walnut, United States and belongs to AMAZON-02, US. The main domain is react.dev. The Cisco Umbrella rank of the primary domain is 166330.
TLS certificate: Issued by R3 on March 21st 2024. Valid for: 3 months.

This is the only time react.dev was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	2606:4700:303... 2606:4700:3037::ac43:bdc9	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1 1	76.76.21.9 76.76.21.9	16509 (AMAZON-02) (AMAZON-02)
1 63	76.76.21.21 76.76.21.21	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:828::2008	15169 (GOOGLE) (GOOGLE)
1	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
64	3

1 2606:4700:3037::ac43:bdc9 (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

1710372794601.caulaai2.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 76.76.21.9 (Walnut, United States) 1 redirects

ASN16509 (AMAZON-02, US)

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

63 76.76.21.21 (Walnut, United States) 1 redirects

ASN16509 (AMAZON-02, US)

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

1 2a00:1450:4001:828::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)

region1.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
62	react.dev react.dev — Cisco Umbrella Rank: 166330	678 KB
2	reactjs.org 2 redirects www.reactjs.org reactjs.org — Cisco Umbrella Rank: 201675	347 B
1	google-analytics.com region1.google-analytics.com — Cisco Umbrella Rank: 2548	249 B
1	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 42	88 KB
1	caulaai2.com 1 redirects 1710372794601.caulaai2.com	483 B
64	5

	Domain	Requested by
62	react.dev	react.dev
1	region1.google-analytics.com	www.googletagmanager.com
1	www.googletagmanager.com	react.dev
1	reactjs.org	1 redirects
1	www.reactjs.org	1 redirects
1	1710372794601.caulaai2.com	1 redirects
64	6

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

Domain
conf.react.dev
github.com
www.youtube.com
nextjs.org
remix.run
reactnative.dev
opensource.fb.com
opensource.facebook.com
www.facebook.com
twitter.com

Subject Issuer	Validity	Valid
react.dev R3	`2024-03-21` - `2024-06-19`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://react.dev/
Frame ID: 180B15182ABC4E99F49D55E62FD335EF
Requests: 64 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

React

Page URL History Show full URLs

http://1710372794601.caulaai2.com/91f6d207-ef38-49cb-8564-9bf42fb083f8?n=2&t=1710372781111&l_next=ahr0chm6ly93... HTTP 307
https://1710372794601.caulaai2.com/91f6d207-ef38-49cb-8564-9bf42fb083f8?n=2&t=1710372781111&l_next=ahr0chm6ly93... HTTP 302
https://www.reactjs.org/ HTTP 308
https://reactjs.org/ HTTP 308
https://react.dev/ Page URL

Detected technologies

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtag/js

Page Statistics

64
Requests

100 %
HTTPS

60 %
IPv6

5
Domains

6
Subdomains

3
IPs

2
Countries

766 kB
Transfer

1913 kB
Size

2
Cookies

37 Outgoing links

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

URL: https://conf.react.dev/
Title: Learn more.

Search URL Search Domain Scan URL

URL: https://github.com/facebook/react/releases

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=8pDqJVdNa44

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=x7cQ3mrcKaY

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=KVZ-P-ZI6W4

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=V-QO-KO90iQ

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=TQQPAU21ZUw

Search URL Search Domain Scan URL

URL: https://nextjs.org/
Title: Next.js

Search URL Search Domain Scan URL

URL: https://remix.run/
Title: Remix

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=FZ0cG47msEk&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=1
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=ytudH8je5ko&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=2
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=pj5N-Khihgc&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=3
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=qn7gRClrC9U&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=4
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=oxDfrke8rZg&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=5
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=lGEMwh32soc&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=6
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=mneDaMYOKP8&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=7
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=-7odLW_hG7s&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=8
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=5X-WEQflCL0&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=9
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=7cPWmID5XAk&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=10
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=zL8cz2W0z34&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=11
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=lhVGdErZuN4&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=12
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=9L4FFrvwJwY&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=13
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=NLj73vrc2I8&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=14
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=oPfSC5bQPR8&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=15
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=dcm8fjBfro8&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=16
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=S4a0QlsH0pU&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=17
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=b3l4WxipFsE&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=18
Title: React Conf

Search URL Search Domain Scan URL

URL: https://www.youtube.com/watch?v=HS6vIYkSNks&list=PLNG_1j3cPCaZZ7etkzWA7JfdmKWT0pMsa&index=19
Title: React Conf

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://github.com/expo/expo
Title: Expo

Search URL Search Domain Scan URL

URL: https://opensource.fb.com/

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://twitter.com/reactjs

Search URL Search Domain Scan URL

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

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.

http://1710372794601.caulaai2.com/91f6d207-ef38-49cb-8564-9bf42fb083f8?n=2&t=1710372781111&l_next=ahr0chm6ly93d3cuamfubmh1y29oaxiuaw5mby8/c2w9ntc1nzuxmc05mtm0myzkyxrhmt1ucmfjazemzgf0yti9vhjhy2syjnrhzz0=&type_v=global&key_v=error HTTP 307
https://1710372794601.caulaai2.com/91f6d207-ef38-49cb-8564-9bf42fb083f8?n=2&t=1710372781111&l_next=ahr0chm6ly93d3cuamfubmh1y29oaxiuaw5mby8/c2w9ntc1nzuxmc05mtm0myzkyxrhmt1ucmfjazemzgf0yti9vhjhy2syjnrhzz0=&type_v=global&key_v=error HTTP 302
https://www.reactjs.org/ HTTP 308
https://reactjs.org/ HTTP 308
https://react.dev/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

64 HTTP transactions
0 data transactions

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

GET
H2

200

Primary Request / Show response
react.dev/
Redirect Chain

http://1710372794601.caulaai2.com/91f6d207-ef38-49cb-8564-9bf42fb083f8?n=2&t=1710372781111&l_next=ahr0chm6ly93d3cuamfubmh1y29oaxiuaw5mby8/c2w9ntc1nzuxmc05mtm0myzkyxrhmt1ucmfjazemzgf0yti9vhjhy2syjnr...
https://1710372794601.caulaai2.com/91f6d207-ef38-49cb-8564-9bf42fb083f8?n=2&t=1710372781111&l_next=ahr0chm6ly93d3cuamfubmh1y29oaxiuaw5mby8/c2w9ntc1nzuxmc05mtm0myzkyxrhmt1ucmfjazemzgf0yti9vhjhy2syjn...
https://www.reactjs.org/
https://reactjs.org/
https://react.dev/

253 KB
41 KB

55ms
16ms

Document
text/html

76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

e85556e2baa7530b74003f8505524b19c56f7fb3835ae8c4e9ca923840d78fef

Security Headers

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

Request headers

Accept-Language: de-DE,de;q=0.9;q=0.9
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Response headers

access-control-allow-origin: *
age: 159242
cache-control: public, max-age=0, must-revalidate
content-disposition: inline
content-encoding: br
content-type: text/html; charset=utf-8
date: Sat, 13 Apr 2024 20:38:50 GMT
etag: W/"8a31abff8c52d7eaa09e7255ea26e19b"
server: Vercel
strict-transport-security: max-age=63072000
x-matched-path: /
x-vercel-cache: HIT
x-vercel-id: fra1::w69wd-1713040730750-ef9d01d69070

Redirect headers

cache-control: public, max-age=0, must-revalidate
content-type: text/html
date: Sat, 13 Apr 2024 20:38:50 GMT
location: https://react.dev/
refresh: 0;url=https://react.dev/
server: Vercel
strict-transport-security: max-age=63072000
x-vercel-id: fra1::wgjzl-1713040730681-3847c476bcba

GET
H2 200 8a1169b8f35c8379.css
react.dev/_next/static/css/ 107 KB
20 KB 11ms
9ms Stylesheet
text/css 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/static/css/8a1169b8f35c8379.css

Requested by

Host: react.dev
URL: https://react.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

ae0125ed5f6e744885917b08dac4e5b14c741a7e1fa205fa8c333b004d35a434

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://react.dev/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:50 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::w69wd-1713040730782-54b6e24d9c2b
age: 157090
x-matched-path: /_next/static/css/8a1169b8f35c8379.css
etag: W/"9aa6516aab8d2ffbdd53c23e97835f4d"
x-vercel-cache: HIT
content-type: text/css; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="8a1169b8f35c8379.css"

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 248 KB
88 KB 142ms
51ms Script
application/javascript 2a00:1450:4001:828::2008
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=G-B1E83PJ3RT

Requested by

Host: react.dev
URL: https://react.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

6279ae53c16a6005a9ae6318cef868f4d5d511868ebd8421f6aadfbd16d94d69

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://react.dev/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:50 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: 89404
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Sat, 13 Apr 2024 20:38:50 GMT

GET
H2 200 webpack-98de6d78093bbaab.js Show response
react.dev/_next/static/chunks/ 5 KB
2 KB 12ms
10ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/static/chunks/webpack-98de6d78093bbaab.js

Requested by

Host: react.dev
URL: https://react.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

6bdcd5f9ed7bdb00a0eb79dba89a2d423c14ee73cd0fd9af7e8bdd24b526ea21

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://react.dev/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:50 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::4lmpz-1713040730782-891347fa7a62
age: 152011
x-matched-path: /_next/static/chunks/webpack-98de6d78093bbaab.js
etag: W/"861f1ec8654b57b8401b51ca3573395f"
x-vercel-cache: HIT
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="webpack-98de6d78093bbaab.js"

GET
H2 200 framework-1f5321399f6bc226.js Show response
react.dev/_next/static/chunks/ 178 KB
58 KB 47ms
45ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/static/chunks/framework-1f5321399f6bc226.js

Requested by

Host: react.dev
URL: https://react.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

22553808568f5df039706cbc9d61dc3485899a6e11e48c319ddb8ec0e2a9b261

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://react.dev/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:50 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::blgz9-1713040730782-c79e8e0dd184
age: 148752
x-matched-path: /_next/static/chunks/framework-1f5321399f6bc226.js
etag: W/"b11487598616f6766d85b91a3f4af907"
x-vercel-cache: HIT
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="framework-1f5321399f6bc226.js"

GET
H2 200 main-78a3b4c2aa4e4850.js Show response
react.dev/_next/static/chunks/ 92 KB
28 KB 20ms
18ms Script
application/javascript 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/static/chunks/main-78a3b4c2aa4e4850.js

Requested by

Host: react.dev
URL: https://react.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

aba5b772db99545122613acc819b2ad83eb32934b936b4141cc3eacc5cdb48b5

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://react.dev/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:50 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::9zpsv-1713040730782-c5ec61f3a1e2
age: 133490
x-matched-path: /_next/static/chunks/main-78a3b4c2aa4e4850.js
etag: W/"ae775ea5f545aeb5e88a53bb497cb712"
x-vercel-cache: HIT
content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="main-78a3b4c2aa4e4850.js"

GET
H2 200 _app-dd0b77ea7bd5b246.js Show response
react.dev/_next/static/chunks/pages/ 1 KB
813 B 14ms
12ms Script
application/javascript 76.76.21.21
AMAZON-02

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x-vercel-id: fra1::6h2dt-1713040731026-711e78e18634
age: 149985
x-matched-path: /_next/data/Z5T501J6tP079f0qFCImS/index.json
etag: "1cfea50b6f0ffcd23c2c4ffbc99a9efc"
x-vercel-cache: HIT
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=0, must-revalidate
content-disposition: inline; filename="index.json"
accept-ranges: bytes
content-length: 118

GET
H2 200 learn.json Show response
react.dev/_next/data/Z5T501J6tP079f0qFCImS/ 30 KB
7 KB 15ms
15ms Fetch
application/json 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/data/Z5T501J6tP079f0qFCImS/learn.json?markdownPath=learn

Requested by

Host: react.dev
URL: https://react.dev/_next/static/chunks/main-78a3b4c2aa4e4850.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

2c361846b769149aa6e174e30f5ae30e7da329bab48d7bc241592e439ffeff14

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose: prefetch
x-nextjs-data: 1
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Referer: https://react.dev/
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:51 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::6594t-1713040731026-abe96d8e9cdf
age: 146680
x-matched-path: /_next/data/Z5T501J6tP079f0qFCImS/learn.json
etag: W/"7cde624de418103ee493e45ba3920347"
x-vercel-cache: HIT
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=0, must-revalidate
content-disposition: inline; filename="learn.json"

GET
H2 200 react.json Show response
react.dev/_next/data/Z5T501J6tP079f0qFCImS/reference/ 5 KB
1 KB 16ms
15ms Fetch
application/json 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/data/Z5T501J6tP079f0qFCImS/reference/react.json?markdownPath=reference&markdownPath=react

Requested by

Host: react.dev
URL: https://react.dev/_next/static/chunks/main-78a3b4c2aa4e4850.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

d753cb97d2ab133c838a8751287326b1b10ccbdf04c96d0eebe0e39aa63ae207

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose: prefetch
x-nextjs-data: 1
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Referer: https://react.dev/
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:51 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::f768q-1713040731027-06313b5647f3
age: 158598
x-matched-path: /_next/data/Z5T501J6tP079f0qFCImS/reference/react.json
etag: W/"2e0581f163d3b67d0fae93c748fb1672"
x-vercel-cache: HIT
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=0, must-revalidate
content-disposition: inline; filename="react.json"

GET
H2 200 community.json Show response
react.dev/_next/data/Z5T501J6tP079f0qFCImS/ 4 KB
1 KB 14ms
14ms Fetch
application/json 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/data/Z5T501J6tP079f0qFCImS/community.json?markdownPath=community

Requested by

Host: react.dev
URL: https://react.dev/_next/static/chunks/main-78a3b4c2aa4e4850.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

3d941a5f48b1dec342eda77f56466f6819206d23f33aac8bf9b37c8cf809c9b8

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose: prefetch
x-nextjs-data: 1
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Referer: https://react.dev/
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:51 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::blgz9-1713040731027-6909829d76a7
age: 148260
x-matched-path: /_next/data/Z5T501J6tP079f0qFCImS/community.json
etag: W/"39e6d06e0482b28407599dabe0e63150"
x-vercel-cache: HIT
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=0, must-revalidate
content-disposition: inline; filename="community.json"

GET
H2 200 blog.json Show response
react.dev/_next/data/Z5T501J6tP079f0qFCImS/ 7 KB
3 KB 16ms
16ms Fetch
application/json 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/_next/data/Z5T501J6tP079f0qFCImS/blog.json?markdownPath=blog

Requested by

Host: react.dev
URL: https://react.dev/_next/static/chunks/main-78a3b4c2aa4e4850.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

2d5e90573f3cba970ac58a4206b918a106b1a41db2c83fbc8190bd76b393b859

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
purpose: prefetch
x-nextjs-data: 1
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Referer: https://react.dev/
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:51 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::7frxs-1713040731027-df6f07531a23
age: 152940
x-matched-path: /_next/data/Z5T501J6tP079f0qFCImS/blog.json
etag: W/"6ed1916e7e1153a1b7f6578cbd83d675"
x-vercel-cache: HIT
content-type: application/json; charset=utf-8
access-control-allow-origin: *
cache-control: public, max-age=0, must-revalidate
content-disposition: inline; filename="blog.json"

POST
H2 204 collect
region1.google-analytics.com/g/ 0
249 B 55ms
18ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-B1E83PJ3RT&gtm=45je44a0v9119811439za200&_p=1713040730796&gcd=13l3lPl2l1&npa=1&dma_cps=sypham&dma=1&cid=2130068475.1713040731&ul=de-de&sr=1600x1200&uaa=x86&uab=64&uafvl=Google%2520Chrome%3B123.0.6312.122%7CNot%253AA-Brand%3B8.0.0.0%7CChromium%3B123.0.6312.122&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&pscdl=noapi&_s=1&sid=1713040731&sct=1&seg=0&dl=https%3A%2F%2Freact.dev%2F&dt=React&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=2541
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-B1E83PJ3RT
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://react.dev/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Sat, 13 Apr 2024 20:38:51 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://react.dev
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

GET
H2 200 favicon.ico
react.dev/ 4 KB
2 KB 63ms
63ms Other
image/vnd.microsoft.icon 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/favicon.ico

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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

Reverse DNS

Software

Vercel /

Resource Hash

b41c7f5ede376281469b08765dbabf9a2fb437c7cf37350721195498a2e1a994

Security Headers

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

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://react.dev/
Accept-Language: de-DE,de;q=0.9;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 13 Apr 2024 20:38:51 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::59vm8-1713040731166-79d907ddad32
age: 149186
x-matched-path: /favicon.ico
etag: W/"4c7637ed71a835071f3859d811d4854a"
x-vercel-cache: HIT
content-type: image/vnd.microsoft.icon
access-control-allow-origin: *
cache-control: public, max-age=0, must-revalidate
content-disposition: inline; filename="favicon.ico"

Verdicts & Comments Add Verdict or Comment

17 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.

2 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
			.react.dev/	1970-01-21 05:26:40	Name: _ga_B1E83PJ3RT Value: GS1.1.1713040731.1.0.1713040731.0.0.0
			.react.dev/	1970-01-21 05:26:40	Name: _ga Value: GA1.1.2130068475.1713040731

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
javascript	warning	URL: https://react.dev/ Message: The resource https://react.dev/images/home/conf2019/cover.svg 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
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.

1710372794601.caulaai2.com
react.dev
reactjs.org
region1.google-analytics.com
www.googletagmanager.com
www.reactjs.org
2001:4860:4802:32::36
2606:4700:3037::ac43:bdc9
2a00:1450:4001:828::2008
76.76.21.21
76.76.21.9
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react.dev Open in urlscan Pro 76.76.21.21 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

64 Requests

100 %HTTPS

60 %IPv6

5 Domains

6 Subdomains

3 IPs

2 Countries

766 kBTransfer

1913 kBSize

2 Cookies

37 Outgoing links

Page URL History

Redirected requests

64 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

Request headers

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react.dev Open in urlscan Pro
76.76.21.21 Public Scan

Screenshot
Live screenshot

Full Image

64
Requests

100 %
HTTPS

60 %
IPv6

5
Domains

6
Subdomains

3
IPs

2
Countries

766 kB
Transfer

1913 kB
Size

2
Cookies

64 HTTP transactions
0 data transactions