react.dev Open in urlscan Pro
76.76.21.21 Public Scan

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URL:
https://react.dev/learn/preserving-and-resetting-state
Submission: On October 12 via api (October 12th 2023, 11:41:21 am UTC) from US — Scanned from DE

Summary HTTP 65 Redirects Links 15 Behaviour Indicators

Summary

This website contacted 5 IPs in 2 countries across 4 domains to perform 65 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 239326.
TLS certificate: Issued by R3 on September 5th 2023. 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
54	76.76.21.21 76.76.21.21	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:808::200e	15169 (GOOGLE) (GOOGLE)
3	2606:4700:310... 2606:4700:310c::ac42:2f47	13335 (CLOUDFLAR...) (CLOUDFLARENET)
6	2606:4700:303... 2606:4700:3036::ac43:dc55	13335 (CLOUDFLAR...) (CLOUDFLARENET)
65	5

54 76.76.21.21 (Walnut, United States)

ASN16509 (AMAZON-02, US)

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

1 2a00:1450:4001:808::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

3 2606:4700:310c::ac42:2f47 (United States)

ASN13335 (CLOUDFLARENET, US)

1e4ad8f7.sandpack-bundler-4bw.pages.dev	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2606:4700:3036::ac43:dc55 (United States)

ASN13335 (CLOUDFLARENET, US)

sandpack-cdn-staging.blazingly.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
54	react.dev react.dev — Cisco Umbrella Rank: 239326	1 MB
6	blazingly.io sandpack-cdn-staging.blazingly.io — Cisco Umbrella Rank: 427898	567 KB
3	pages.dev 1e4ad8f7.sandpack-bundler-4bw.pages.dev — Cisco Umbrella Rank: 412908 Failed	585 KB
1	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 42	342 B
65	4

	Domain	Requested by
54	react.dev	react.dev
6	sandpack-cdn-staging.blazingly.io	1e4ad8f7.sandpack-bundler-4bw.pages.dev
3	1e4ad8f7.sandpack-bundler-4bw.pages.dev	react.dev 1e4ad8f7.sandpack-bundler-4bw.pages.dev
1	www.google-analytics.com	react.dev
65	4

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

Domain
opensource.fb.com
github.com
developer.mozilla.org
www.surveymonkey.co.uk
reactnative.dev
opensource.facebook.com
www.facebook.com
twitter.com

Subject Issuer	Validity	Valid
react.dev R3	`2023-09-05` - `2023-12-04`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-09-18` - `2023-12-11`	3 months	crt.sh
sandpack-bundler-4bw.pages.dev GTS CA 1P5	`2023-09-27` - `2023-12-26`	3 months	crt.sh
blazingly.io E1	`2023-09-09` - `2023-12-08`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://react.dev/learn/preserving-and-resetting-state
Frame ID: 2378101272DCB53B716059EAF78D7BBD
Requests: 55 HTTP requests in this frame

Frame: https://1e4ad8f7.sandpack-bundler-4bw.pages.dev/
Frame ID: 918EBEA1D60C539120BC8DDFDDA40D3C
Requests: 10 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Preserving and Resetting State – React

Page Statistics

65
Requests

98 %
HTTPS

75 %
IPv6

4
Domains

4
Subdomains

5
IPs

2
Countries

2315 kB
Transfer

8494 kB
Size

0
Cookies

15 Outgoing links

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

URL: https://opensource.fb.com/support-ukraine
Title: 🇺🇦 Help Provide Humanitarian Aid to Ukraine.

Search URL Search Domain Scan URL

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

Search URL Search Domain Scan URL

URL: https://developer.mozilla.org/docs/Web/API/Document_Object_Model/Introduction
Title: DOM

Search URL Search Domain Scan URL

URL: https://developer.mozilla.org/docs/Web/API/CSS_Object_Model
Title: CSSOM

Search URL Search Domain Scan URL

URL: https://developer.mozilla.org/docs/Glossary/Accessibility_tree
Title: Accessibility tree

Search URL Search Domain Scan URL

URL: https://developer.mozilla.org/en-US/docs/Web/API/Window/localStorage
Title: localStorage

Search URL Search Domain Scan URL

URL: https://www.surveymonkey.co.uk/r/PYRPF3X
Title: Take our survey!

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://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.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

Redirected requests

There were HTTP redirect chains for the following requests:

65 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 preserving-and-resetting-state Show response
react.dev/learn/ 465 KB
50 KB 201ms
47ms Document
text/html 76.76.21.21
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://react.dev/learn/preserving-and-resetting-state

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

58804628160278af5eb7b4cced191a504114c226f572727d40a4b0baf4af9ab7

Security Headers

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

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

access-control-allow-origin: *
age: 120147
cache-control: public, max-age=0, must-revalidate
content-disposition: inline; filename="preserving-and-resetting-state"
content-encoding: br
content-type: text/html; charset=utf-8
date: Thu, 12 Oct 2023 11:41:15 GMT
etag: W/"07371a93992bacb0bea9e39dd1216cbb"
server: Vercel
strict-transport-security: max-age=63072000
x-matched-path: /learn/preserving-and-resetting-state
x-vercel-cache: HIT
x-vercel-id: fra1::2xpqn-1697110875707-e14d8f8d0432

GET
H2 200 5d9b22d92ecfaa43.css
react.dev/_next/static/css/ 106 KB
20 KB 45ms
44ms 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/5d9b22d92ecfaa43.css

Requested by

Host: react.dev
URL: https://react.dev/learn/preserving-and-resetting-state

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

e5ac55889bd12d80e458f549c1c31d0ba813f500b97802137d7557c70497f525

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::dl2gr-1697110875759-8f1f416cdfda
age: 103533
x-matched-path: /_next/static/css/5d9b22d92ecfaa43.css
etag: W/"713a3b3b171e59d4b3edb3beaa048de5"
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="5d9b22d92ecfaa43.css"

GET
H2 200 webpack-1bf3c31f81e31287.js Show response
react.dev/_next/static/chunks/ 5 KB
2 KB 50ms
48ms 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-1bf3c31f81e31287.js

Requested by

Host: react.dev
URL: https://react.dev/learn/preserving-and-resetting-state

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

52a9908e691501b634d61cdfb36f663befe39ffbea33cdbe6eed3701b37dc8f3

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::2t54n-1697110875761-c861932451fe
age: 100159
x-matched-path: /_next/static/chunks/webpack-1bf3c31f81e31287.js
etag: W/"1fa2dfe76a354905eb61a03389eec9fd"
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-1bf3c31f81e31287.js"

GET
H2 200 framework-1f5321399f6bc226.js Show response
react.dev/_next/static/chunks/ 178 KB
58 KB 73ms
71ms 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/learn/preserving-and-resetting-state

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

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::kn7tj-1697110875760-4d8d194d41ea
age: 107172
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 73ms
71ms 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/learn/preserving-and-resetting-state

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

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::mff82-1697110875761-bd00337693c0
age: 101830
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-4ef24aa2d43f04c5.js Show response
react.dev/_next/static/chunks/pages/ 2 KB
1 KB 46ms
44ms 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/pages/_app-4ef24aa2d43f04c5.js

Requested by

Host: react.dev
URL: https://react.dev/learn/preserving-and-resetting-state

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

c53c535df292391b57f4bde31d86061a9cc4487ee002c82004d4958c0a847334

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::msswz-1697110875761-c783fac8ade5
age: 109100
x-matched-path: /_next/static/chunks/pages/_app-4ef24aa2d43f04c5.js
etag: W/"d350d66438917f6004f4f5961614a66a"
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="_app-4ef24aa2d43f04c5.js"

GET
H2 200 848-122f91e9565d9ffa.js Show response
react.dev/_next/static/chunks/ 22 KB
9 KB 50ms
48ms 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/848-122f91e9565d9ffa.js

Requested by

Host: react.dev
URL: https://react.dev/learn/preserving-and-resetting-state

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

c796ea30cd5cf7d0e4ffd21a63eabd789656a0bd428317f5bf695f18578e3ac7

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::msbpj-1697110875761-93113213c734
age: 45899
x-matched-path: /_next/static/chunks/848-122f91e9565d9ffa.js
etag: W/"b76ba1006c2a1a70dfd6d4e110c98bc9"
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="848-122f91e9565d9ffa.js"

GET
H2 200 114-33880c6c68b86556.js Show response
react.dev/_next/static/chunks/ 218 KB
68 KB 78ms
76ms 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/114-33880c6c68b86556.js

Requested by

Host: react.dev
URL: https://react.dev/learn/preserving-and-resetting-state

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

4bb5d9063a2deaa0de983a07b96bc1430727ec0b3b442281267e3ee47443d83e

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::8pddf-1697110875761-aea081e8c15f
age: 96182
x-matched-path: /_next/static/chunks/114-33880c6c68b86556.js
etag: W/"39f1457dabb7f33fd7bb489f1b7da07e"
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="114-33880c6c68b86556.js"

GET
H2 200 %5B%5B...markdownPath%5D%5D-59645a077bb9b841.js Show response
react.dev/_next/static/chunks/pages/ 8 KB
2 KB 52ms
50ms 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/pages/%5B%5B...markdownPath%5D%5D-59645a077bb9b841.js

Requested by

Host: react.dev
URL: https://react.dev/learn/preserving-and-resetting-state

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

35c4cc74cd1283d4deb6d64ee01af9b8163583584bcd27b9d81754f9eb176bd9

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::xlxlp-1697110875762-e28066e7ed7a
age: 101518
x-matched-path: /_next/static/chunks/pages/%5B%5B...markdownPath%5D%5D-59645a077bb9b841.js
etag: W/"3ba57a2a18fbdf0916f7082adbe5b8fc"
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="[[...markdownPath]]-59645a077bb9b841.js"

GET
H2 200 _buildManifest.js Show response
react.dev/_next/static/RYP4pBEk0akyG_imz2VjY/ 572 B
757 B 159ms
157ms 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/RYP4pBEk0akyG_imz2VjY/_buildManifest.js

Requested by

Host: react.dev
URL: https://react.dev/learn/preserving-and-resetting-state

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

8a088803542542de49d4d1c2c1169af839317a6a9ea368a570256c6572ba3683

Security Headers

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

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://react.dev/learn/preserving-and-resetting-state
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:15 GMT
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::9fsgq-1697110875772-069de38834dc
age: 46261
x-matched-path: /_next/static/RYP4pBEk0akyG_imz2VjY/_buildManifest.js
etag: "fa8a5975daf8129c06b350bde917f46b"
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="_buildManifest.js"
accept-ranges: bytes
content-length: 572

GET
H2 200 _ssgManifest.js Show response
react.dev/_next/static/RYP4pBEk0akyG_imz2VjY/ 107 B
341 B 246ms
244ms 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/RYP4pBEk0akyG_imz2VjY/_ssgManifest.js

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GET
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167 KB 61ms
60ms Fetch
application/javascript 2606:4700:3036::ac43:dc55
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sandpack-cdn-staging.blazingly.io/package/NShjb3JlLWpzQDMuMjIuNyk=
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URL: https://1e4ad8f7.sandpack-bundler-4bw.pages.dev/index.62a75b8f.js
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

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server: cloudflare
vary: Accept-Encoding
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GET
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sandpack-cdn-staging.blazingly.io/package/ Frame 918E 37 KB
8 KB 50ms
49ms Fetch
application/javascript 2606:4700:3036::ac43:dc55
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://sandpack-cdn-staging.blazingly.io/package/NShzY2hlZHVsZXJAMC4yNC4wLW5leHQtZmVjYzI4OGI3LTIwMjIxMDI1KQ==
Requested by: Host: 1e4ad8f7.sandpack-bundler-4bw.pages.dev
URL: https://1e4ad8f7.sandpack-bundler-4bw.pages.dev/index.62a75b8f.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:3036::ac43:dc55 , United States, ASN13335 (CLOUDFLARENET, US),
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Software: cloudflare /
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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:17 GMT
via: 2 fly.io
content-encoding: br
cf-cache-status: HIT
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server: cloudflare
vary: Accept-Encoding
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GET
H2 200 ff39441c.e194a4a2079aebc6.js Show response
react.dev/_next/static/chunks/ 96 KB
31 KB 46ms
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/ff39441c.e194a4a2079aebc6.js

Requested by

Host: react.dev
URL: https://react.dev/_next/static/chunks/webpack-1bf3c31f81e31287.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

Vercel /

Resource Hash

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Security Headers

Name	Value
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Request headers

accept-language: de-DE,de;q=0.9
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

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content-encoding: br
strict-transport-security: max-age=63072000
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GET
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react.dev/_next/static/chunks/ 564 KB
140 KB 302ms
301ms 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/384.4aa6adb69a1c364c.js

Requested by

Host: react.dev
URL: https://react.dev/_next/static/chunks/webpack-1bf3c31f81e31287.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

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content-encoding: br
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GET
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react.dev/_next/static/chunks/ 1 KB
911 B 43ms
43ms 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/711.20d00ac402635110.js

Requested by

Host: react.dev
URL: https://react.dev/_next/static/chunks/webpack-1bf3c31f81e31287.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

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Security Headers

Name	Value
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Request headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.5938.149 Safari/537.36

Response headers

date: Thu, 12 Oct 2023 11:41:17 GMT
content-encoding: br
strict-transport-security: max-age=63072000
server: Vercel
x-vercel-id: fra1::msbpj-1697110877299-6f4ca1439745
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content-type: application/javascript; charset=utf-8
access-control-allow-origin: *
cache-control: public,max-age=31536000,immutable
content-disposition: inline; filename="711.20d00ac402635110.js"

Failed requests

These URLs were requested, but there was no response received. You will also see them in the list above.

Domain: 1e4ad8f7.sandpack-bundler-4bw.pages.dev
URL: https://1e4ad8f7.sandpack-bundler-4bw.pages.dev/

Verdicts & Comments Add Verdict or Comment

26 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.

0 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.

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.

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react.dev
sandpack-cdn-staging.blazingly.io
www.google-analytics.com
1e4ad8f7.sandpack-bundler-4bw.pages.dev
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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 Statistics

65 Requests

98 %HTTPS

75 %IPv6

4 Domains

4 Subdomains

5 IPs

2 Countries

2315 kBTransfer

8494 kBSize

0 Cookies

15 Outgoing links

Redirected requests

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

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react.dev Open in urlscan Pro
76.76.21.21 Public Scan

Screenshot
Live screenshot

Full Image

65
Requests

98 %
HTTPS

75 %
IPv6

4
Domains

4
Subdomains

5
IPs

2
Countries

2315 kB
Transfer

8494 kB
Size

0
Cookies

65 HTTP transactions
0 data transactions