react.dev — Traffic, Worth & Safety

React.dev is the official documentation site for React, the JavaScript library for building user interfaces created by Meta. Frontend developers worldwide use it as the primary reference for learning React concepts, hooks, components, and best practices.

People searching for these terms often visit react.dev:

Based on our analysis, react.dev implements HTTPS encryption and scores 60% on security headers. This is a reasonable security posture.

react.dev implements 3 of 5 key security headers. Missing: Content-Security-Policy, X-XSS-Protection. Adding these would protect visitors from clickjacking, XSS, and MIME-type attacks.

React.dev is a static documentation site with minimal security concerns. React itself includes built-in XSS protection through automatic escaping of rendered content. The library's security advisories are published through GitHub and the React blog.

All values are estimates based on publicly available traffic data.

At #8,983, react.dev is in the top 1% of websites globally. Sites at this level typically receive millions of visits per month.

At this traffic level, react.dev has significant monetization potential. Sites with similar traffic profiles typically earn through advertising, subscriptions, or e-commerce — not just display ads.

React remains the most widely used frontend JavaScript library, competing with Vue.js, Angular, and Svelte. The new documentation site significantly improved the learning experience compared to the legacy reactjs.org docs. React's ecosystem, including Next.js, Remix, and React Native, extends its dominance across web and mobile development.

These are the websites closest to react.dev in global traffic ranking.

react.dev uses reaction time test, react, reactivation employment permit, reactive arthritis, react native in its technology stack.

React.dev is built with Next.js and deployed on Vercel, showcasing the React ecosystem's own tools. The site features interactive code sandboxes powered by Sandpack for hands-on learning. Content is authored in MDX, combining Markdown with React components for rich documentation.

Subdomains discovered via Certificate Transparency logs for react.dev:

These subdomains were found in publicly issued SSL certificates. They may include staging, API, mail, and internal services.

First archived: 2023-01-26

react.dev has been on the internet since at least 2023. The earliest known snapshot was captured by the Wayback Machine on 2023-01-26.

Accept-Ranges
Access-Control-Allow-Origin
Age
Cache-Control
Content-Disposition
Content-Length
Content-Type
Date
Etag
Server
Strict-Transport-Security
Vary
X-Matched-Path
X-Vercel-Cache
X-Vercel-Id

React.dev launched in 2023 as a complete rewrite of the React documentation, teaching hooks-first rather than class components, reflecting how modern React is actually written.