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https://reactjs.org

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HTTP Status

200

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1 ms

Technologies

4

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Registrar

RegistrarSEC, LLC

Created

May 29, 2013

12 years 145 days old

Expires

May 29, 2026

7 months 12 days left

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C=US, O=Let's Encrypt, CN=R13

Security Score
80 /100

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76.76.21.21 • AS16509 • Amazon

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Amazon

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Evidence
  • • IP 76.76.21.21 → ASN 16509

Cloudflare

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Evidence
  • • Nameserver: joan.ns.cloudflare.com
  • • Nameserver: rohin.ns.cloudflare.com

Let's Encrypt

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  • • SSL certificate issuer

Vercel

CDN

Evidence
  • • X-Vercel-Cache header

Metadata & SEO

Title
React
Description
React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.
Canonical URL
https://react.dev/
Language
en
Viewport
width=device-width, initial-scale=1

Social Media Cards

OpenGraph

Type
website
Description
React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.
Title
React
Image
https://react.dev/images/og-home.png
Url
https://react.dev/

Twitter Cards

Description
React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.
Title
React
Image
https://react.dev/images/og-home.png
Card
summary_large_image
Site
@reactjs
Creator
@reactjs

Dependencies

🎨 Stylesheets (1)

  • • https://reactjs.org/_next/static/css/0fb8ab91a26a5c9f.css

📜 Scripts (11)

  • • https://www.googletagmanager.com/gtag/js?id=G-B1E83PJ3RT
  • • https://reactjs.org/_next/static/chunks/polyfills-42372ed130431b0a.js
  • • https://reactjs.org/_next/static/chunks/webpack-dd2d9b88bb860a1a.js
  • • https://reactjs.org/_next/static/chunks/framework-76ad44d61c11f057.js
  • • https://reactjs.org/_next/static/chunks/main-6b2aa10951d4c273.js
  • • https://reactjs.org/_next/static/chunks/pages/_app-6d7b64b3b21a9551.js
  • • https://reactjs.org/_next/static/chunks/668-e65a23e6848f265b.js
  • • https://reactjs.org/_next/static/chunks/123-33dee53f9fc1516b.js
  • • https://reactjs.org/_next/static/chunks/pages/%5B%5B...markdownPath%5D%5D-0fb8c297db7898f2.js
  • • https://reactjs.org/_next/static/28nuAwRRsiA9JQlx31aYf/_buildManifest.js
  • • https://reactjs.org/_next/static/28nuAwRRsiA9JQlx31aYf/_ssgManifest.js

🖼️ Images (43)

  • • https://reactjs.org/_next/image?url=%2Fimages%2Fuwu.png&w=128&q=75
  • • https://reactjs.org/_next/image?url=%2Fimages%2Fuwu.png&w=640&q=75
  • • https://reactjs.org/images/home/conf2021/cover.svg
  • • https://reactjs.org/images/home/conf2021/andrew.jpg
  • • https://reactjs.org/images/home/conf2021/lauren.jpg
  • • https://reactjs.org/images/home/conf2021/juan.jpg
  • • https://reactjs.org/images/home/conf2021/rick.jpg
  • • https://reactjs.org/images/home/conf2021/shruti.jpg
  • • https://reactjs.org/images/home/conf2021/shaundai.jpg
  • • https://reactjs.org/images/home/conf2021/aakansha.jpg
  • • https://reactjs.org/images/home/conf2021/brian.jpg
  • • https://reactjs.org/images/home/conf2021/xuan.jpg
  • • https://reactjs.org/images/home/conf2021/rachel.jpg
  • • https://reactjs.org/images/home/conf2021/debbie.jpg
  • • https://reactjs.org/images/home/conf2021/sarah.jpg
  • • https://reactjs.org/images/home/conf2021/linton.jpg
  • • https://reactjs.org/images/home/conf2021/delba.jpg
  • • https://reactjs.org/images/home/conf2021/robert.jpg
  • • https://reactjs.org/images/home/conf2021/eric.jpg
  • • https://reactjs.org/images/home/conf2021/steven.jpg
  • • https://reactjs.org/images/home/conf2021/roman.jpg
  • • https://reactjs.org/images/home/conf2021/daishi.jpg
  • • https://reactjs.org/images/home/conf2021/diego.jpg
  • • https://reactjs.org/images/home/conf2021/tafu.jpg
  • • https://reactjs.org/images/home/conf2021/lyle.jpg
  • • https://reactjs.org/images/home/conf2021/helen.jpg
  • • https://reactjs.org/images/home/community/react_conf_fun.webp
  • • https://reactjs.org/images/home/community/react_india_sunil.webp
  • • https://reactjs.org/images/home/community/react_conf_hallway.webp
  • • https://reactjs.org/images/home/community/react_india_hallway.webp
  • • https://reactjs.org/images/home/community/react_conf_elizabet.webp
  • • https://reactjs.org/images/home/community/react_india_selfie.webp
  • • https://reactjs.org/images/home/community/react_conf_nat.webp
  • • https://reactjs.org/images/home/community/react_india_team.webp
  • • https://reactjs.org/images/home/community/react_conf_fun.webp
  • • https://reactjs.org/images/home/community/react_india_sunil.webp
  • • https://reactjs.org/images/home/community/react_conf_hallway.webp
  • • https://reactjs.org/images/home/community/react_india_hallway.webp
  • • https://reactjs.org/images/home/community/react_conf_elizabet.webp
  • • https://reactjs.org/images/home/community/react_india_selfie.webp
  • • https://reactjs.org/images/home/community/react_conf_nat.webp
  • • https://reactjs.org/images/home/community/react_india_team.webp
  • • https://reactjs.org/images/uwu.png

🔤 Fonts (9)

  • • https://react.dev/fonts/Source-Code-Pro-Regular.woff2
  • • https://react.dev/fonts/Source-Code-Pro-Bold.woff2
  • • https://react.dev/fonts/Optimistic_Display_W_Md.woff2
  • • https://react.dev/fonts/Optimistic_Display_W_SBd.woff2
  • • https://react.dev/fonts/Optimistic_Display_W_Bd.woff2
  • • https://react.dev/fonts/Optimistic_Text_W_Md.woff2
  • • https://react.dev/fonts/Optimistic_Text_W_Bd.woff2
  • • https://react.dev/fonts/Optimistic_Text_W_Rg.woff2
  • • https://react.dev/fonts/Optimistic_Text_W_It.woff2

Resource Hints

preconnect

https://1FCF9AYYAT-dsn.algolia.net

preload

https://react.dev/fonts/Source-Code-Pro-Regular.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Source-Code-Pro-Bold.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Optimistic_Display_W_Md.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Optimistic_Display_W_SBd.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Optimistic_Display_W_Bd.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Optimistic_Text_W_Md.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Optimistic_Text_W_Bd.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Optimistic_Text_W_Rg.woff2

Type: font

Crossorigin: anonymous

preload

https://react.dev/fonts/Optimistic_Text_W_It.woff2

Type: font

Crossorigin: anonymous

preload

https://reactjs.org/_next/static/css/0fb8ab91a26a5c9f.css

Type: style

preload

https://reactjs.org/images/uwu.png

Type: image

preload

https://reactjs.org/images/home/conf2021/cover.svg

Type: image

preload

https://reactjs.org/images/home/conf2021/andrew.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/lauren.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/juan.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/rick.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/shruti.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/shaundai.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/aakansha.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/brian.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/xuan.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/rachel.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/debbie.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/sarah.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/linton.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/delba.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/robert.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/eric.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/steven.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/roman.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/daishi.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/diego.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/tafu.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/lyle.jpg

Type: image

preload

https://reactjs.org/images/home/conf2021/helen.jpg

Type: image

preload

https://reactjs.org/images/home/conf2019/cover.svg

Type: image

preload

https://reactjs.org/images/home/conf2021/cover.svg

Type: image

Inspected on November 02, 2025 at 19:11 UTC