--- title: "react.dev llms.txt, graded: Agent Ready HTML" description: "The react.dev llms.txt parsed and graded A against the llmstxt.org structure: 2 sections, 180 links, 14 KB. Read 2026-11-04." canonical: https://agentreadyhtml.com/llms-txt-index/react-dev/ site: "Agent Ready HTML" last_updated: 2026-11-05 section: "llms.txt Index" --- # react.dev llms.txt, graded: Agent Ready HTML > The react.dev llms.txt parsed and graded A against the llmstxt.org structure: 2 sections, 180 links, 14 KB. Read 2026-11-04. Source: https://agentreadyhtml.com/llms-txt-index/react-dev/ Site: Agent Ready HTML Last reviewed: 2026-11-05 # react.dev llms.txt In short react.dev serves a 14 KB llms.txt with 2 H2 sections and 180 links, graded A on the llmstxt.org structure (6 of 6 checks). It passes every check. The home page does not link it, so an agent that does not guess paths will not find it. No llms-full.txt was found. Read 4 November 2026. **llms.txt** 14 KB, 253 lines ```markdown # React Documentation > The library for web and native user interfaces. ## Learn React ### GET STARTED #### Quick Start - [Quick Start](https://react.dev/learn.md) - [Tutorial: Tic-Tac-Toe](https://react.dev/learn/tutorial-tic-tac-toe.md) - [Thinking in React](https://react.dev/learn/thinking-in-react.md) #### Installation - [Installation](https://react.dev/learn/installation.md) - [Creating a React App](https://react.dev/learn/creating-a-react-app.md) - [Build a React App from Scratch](https://react.dev/learn/build-a-react-app-from-scratch.md) - [Add React to an Existing Project](https://react.dev/learn/add-react-to-an-existing-project.md) #### Setup - [Setup](https://react.dev/learn/setup.md) - [Editor Setup](https://react.dev/learn/editor-setup.md) - [Using TypeScript](https://react.dev/learn/typescript.md) - [React Developer Tools](https://react.dev/learn/react-developer-tools.md) #### React Compiler - [React Compiler](https://react.dev/learn/react-compiler.md) - [Introduction](https://react.dev/learn/react-compiler/introduction.md) - [Installation](https://react.dev/learn/react-compiler/installation.md) - [Incremental Adoption](https://react.dev/learn/react-compiler/incremental-adoption.md) - [Debugging and Troubleshooting](https://react.dev/learn/react-compiler/debugging.md) ### LEARN REACT #### Describing the UI - [Describing the UI](https://react.dev/learn/describing-the-ui.md) - [Your First Component](https://react.dev/learn/your-first-component.md) - [Importing and Exporting Components](https://react.dev/learn/importing-and-exporting-components.md) - [Writing Markup with JSX](https://react.dev/learn/writing-markup-with-jsx.md) - [JavaScript in JSX with Curly Braces](https://react.dev/learn/javascript-in-jsx-with-curly-braces.md) - [Passing Props to a Component](https://react.dev/learn/passing-props-to-a-component.md) - [Conditional Rendering](https://react.dev/learn/conditional-rendering.md) - [Rendering Lists](https://react.dev/learn/rendering-lists.md) - [Keeping Components Pure](https://react.dev/learn/keeping-components-pure.md) - [Your UI as a Tree](https://react.dev/learn/understanding-your-ui-as-a-tree.md) #### Adding Interactivity - [Adding Interactivity](https://react.dev/learn/adding-interactivity.md) - [Responding to Events](https://react.dev/learn/responding-to-events.md) - [State: A Component's Memory](https://react.dev/learn/state-a-components-memory.md) - [Render and Commit](https://react.dev/learn/render-and-commit.md) - [State as a Snapshot](https://react.dev/learn/state-as-a-snapshot.md) - [Queueing a Series of State Updates](https://react.dev/learn/queueing-a-series-of-state-updates.md) - [Updating Objects in State](https://react.dev/learn/updating-objects-in-state.md) - [Updating Arrays in State](https://react.dev/learn/updating-arrays-in-state.md) #### Managing State - [Managing State](https://react.dev/learn/managing-state.md) - [Reacting to Input with State](https://react.dev/learn/reacting-to-input-with-state.md) - [Choosing the State Structure](https://react.dev/learn/choosing-the-state-structure.md) - [Sharing State Between Components](https://react.dev/learn/sharing-state-between-components.md) - [Preserving and Resetting State](https://react.dev/learn/preserving-and-resetting-state.md) - [Extracting State Logic into a Reducer](https://react.dev/learn/extracting-state-logic-into-a-reducer.md) - [Passing Data Deeply with Context](https://react.dev/learn/passing-data-deeply-with-context.md) - [Scaling Up with Reducer and Context](https://react.dev/learn/scaling-up-with-reducer-and-context.md) #### Escape Hatches - [Escape Hatches](https://react.dev/learn/escape-hatches.md) - [Referencing Values with Refs](https://react.dev/learn/referencing-values-with-refs.md) - [Manipulating the DOM with Refs](https://react.dev/learn/manipulating-the-dom-with-refs.md) ``` First 70 of 253 lines. **Parse** graded A, 6 of 6 file: https://react.dev/llms.txt React Documentation The library for web and native user interfaces. 2 sections, 180 links, no Optional section. Ora's cached score: 53, grade C, scanned 4 November 2026. ## The parse react.dev lists 180 links: 180 point at react.dev or a relative path, 0 point elsewhere. The hosts it links most: react.dev (180). | H2 section | Links | | --- | --- | | Learn React | 51 | | API Reference | 129 | ## Grade against the llmstxt.org structure The file passes all six checks. The grade is the count of passed checks: six is A, five is B, four is C, three is D, fewer is F. It measures structure only. Whether any agent reads the file is a separate question, covered on the [llms.txt reference](https://agentreadyhtml.com/llms-txt/). | Check | Result | Detail | | --- | --- | --- | | Starts with an H1 naming the site or project | Pass | H1: React Documentation | | Has a blockquote summary under the H1 | Pass | Blockquote summary found. | | Has at least one H2 section that lists links | Pass | 2 H2 sections, 2 with links. | | At least 80 percent of links point at the same site | Pass | 180 of 180 links stay on react.dev (100 percent). | | Under 100 KB | Pass | 14571 bytes as served. | | Plain markdown, no HTML | Pass | No HTML document markers in the body. | ## Ora's cached score Ora's cached report for react.dev gives it **53 of 100, grade C**, scanned on 4 November 2026. Its Access layer, which holds the read-layer checks below, scored 23 of 55 check points. Read from GET ora.ai/api/score/react.dev on 5 November 2026. The score is Ora's, not this site's, and the structure grade above is a different measure: it grades the llms.txt file against the llmstxt.org proposal, while Ora's score covers the whole site. [Ora's report for react.dev](https://ora.ai/score/react.dev?utm_source=agentreadyhtml.com&utm_medium=referral&utm_campaign=index-entry) has every layer. | Ora check (Access layer) | Result | Points | | --- | --- | --- | | Sitemap exists | Fail | 0 of 2 | | Content without JavaScript | Partial | 2 of 3 | | Not blocked by bot detection | Pass | 2 of 2 | | Markdown URL fallback | Fail | 0 of 2 | | llms.txt exists | Pass | 1 of 1 | | llms.txt formatting | Pass | 2 of 2 | | JSON-LD structured data | Fail | 0 of 4 | | Metadata completeness | Pass | 2 of 2 | | llms.txt links resolve | Pass | 2 of 2 | | Markdown alternate link | Fail | 0 of 1 | | Redirect hygiene | Pass | 1 of 1 | | Page token budget | Pass | 1 of 1 | | Code fence validity | Pass | 1 of 1 | | Content behind auth | Pass | 2 of 2 | | OpenAPI spec published | Fail | 0 of 7 | | Markdown agent docs | Fail | 0 of 1 | | Markdown negotiation with Vary | Fail | 0 of 1 | | Markdown for agent user agents | Fail | 0 of 1 | | Agent crawler reachability | Pass | 2 of 2 | ## Linking and the companion file The home page of react.dev does not link the file in its HTML. Ora's lab found (2026-10-19) that 86 percent of llms.txt fetches by agents arrived through a link, so an unlinked file is mostly a file nobody opens. No llms-full.txt was found at the same root. ## How it compares At 14 KB the file is larger than 70 percent of the 2,529 plain-text llms.txt files in this edition, and its 180 links put it ahead of 89 percent of them on link count. The home page declares no generator. Size bucket: 10 to 50 KB. Tranco rank 7,719. Category: Framework. Why it is in the index: Framework docs index with two H2 sections. Owner as listed: React. Live file: [https://react.dev/llms.txt](https://react.dev/llms.txt). Read 4 November 2026. If the file has since changed or gone, the live URL is the authority; this page records what the crawl read on that date. - [All entries](https://agentreadyhtml.com/llms-txt-index/) - [Edition 2026-11-04](https://agentreadyhtml.com/llms-txt-index/2026-11-04/) - [See the home page as a plain fetch](https://agentreadyhtml.com/viewer/?url=https%3A%2F%2Freact.dev%2F) ## Sources 1. [react.dev llms.txt](https://react.dev/llms.txt) https://react.dev/llms.txt, read 4 November 2026 2. [llms.txt proposal (llmstxt.org)](https://llmstxt.org/) https://llmstxt.org/, read 4 November 2026 3. [Tranco list 746WX (crawl universe)](https://tranco-list.eu/list/746WX) https://tranco-list.eu/list/746WX, read 4 November 2026 4. [Ora: AgentReady launch post (the 86 percent finding)](https://ora.ai/blog/agentready-launch?utm_source=agentreadyhtml.com&utm_medium=referral&utm_campaign=entry) https://ora.ai/blog/agentready-launch, read 4 November 2026 5. [Ora llms.txt (GET /api/score/{domain} looks up a cached score)](https://ora.ai/llms.txt?utm_source=agentreadyhtml.com&utm_medium=referral&utm_campaign=entry) https://ora.ai/llms.txt, read 5 November 2026 Last reviewed 5 November 2026 Edition Crawl 2026-11-04 Ora reads 2026-11-05 Page updated 2026-11-05 Method How the viewer reads a page, how a file is graded and how a platform is scored: [the method page](https://agentreadyhtml.com/method/).