URL Inspection: https://ja.react.dev

Technologies Detected

Infrastructure & Network (1)

CDN	Vercel https://vercel.com
Evidence: • Header X-Vercel-Cache: HIT • Header X-Vercel-Id: iad1::gz9kz-1763761549537-72de1c3d88df • Header Server: Vercel

Development (1)

JavaScript Library	Webpack https://webpack.js.org
Evidence: • HTML <script>: https://ja.react.dev/_next/static/chunks/webpack-85a5c84b02c2716f.js

Analytics & Marketing (2)

Analytics	Algolia https://www.algolia.com
Evidence: • Resource Hint: FCF9AYYAT-dsn.algolia.net

Analytics	Google Tag Manager https://tagmanager.google.com
Evidence: • HTML <script>: https://www.googletagmanager.com/gtag/js?id=G-B1E83PJ3RT

SSL & Certificates (1)

Certificate Authority	Let's Encrypt https://letsencrypt.org
Evidence: • SSL Certificate Issuer: C=US, O=Let's Encrypt, CN=R13

Other (1)

Framework	Next.js
Evidence: • HTML <script>: https://ja.react.dev/_next/static/chunks/polyfills-42372ed130431b0a.js • HTML <script>: https://ja.react.dev/_next/static/chunks/webpack-85a5c84b02c2716f.js • HTML <script>: https://ja.react.dev/_next/static/chunks/framework-76ad44d61c11f057.js • HTML <script>: https://ja.react.dev/_next/static/chunks/main-6b2aa10951d4c273.js • HTML <script>: https://ja.react.dev/_next/static/chunks/pages/_app-6d7b64b3b21a9551.js ... and 3 more

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://ja.react.dev/

Language

ja

Viewport

width=device-width, initial-scale=1

SSL/TLS Certificate

View Full SSL Report

Issued By

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

Security Score

80 /100

Social Media Cards

OpenGraph (5 properties)

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://ja.react.dev/images/og-home.png

Url

https://ja.react.dev/

Twitter Cards (6 properties)

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://ja.react.dev/images/og-home.png

Card

summary_large_image

Site

@reactjs

Creator

@reactjs