AI readiness leaderboard · Developer tools
AI readiness of clerk.com: 100/100
100/100
We checked clerk.com on 2026-10-18 with our free checker: six scored tests plus evidence for each finding. The score reflects the site on that date. The site may have changed after that date.
| Test | Result | Points |
|---|---|---|
| llms.txt | Yes | 15 of 15 |
| JSON-LD schema on the homepage | Yes | 20 of 20 |
| Meta description | Yes | 10 of 10 |
| Text readable without JavaScript | Yes | 20 of 20 |
| Sitemap | Yes | 10 of 10 |
| AI crawlers allowed in robots.txt | 8 of 8 | 25 of 25 |
Compared with Developer tools
clerk.com ranks 4 of 38 developer tools sites in this scan (ties share the order by domain name). The median score in this group is 100. 28 of 38 have an llms.txt file.
Findings with evidence
ImproveServer responded in 1004 ms
Time to response headers from our checker. Final URL: https://clerk.com/
Fix: Slow responses can make crawlers give up. Add page caching or a CDN in front of the homepage.
ImproveHTML size 977 KB, 45 script tags
1 render-blocking script in <head>: /_next/static/immutable/chunks/0c0hxoamwjsbw.js
Fix: Large HTML slows crawlers and tools with size limits. Move inline data and scripts out of the HTML.
19 checks passed or noted
PassGPTBot (OpenAI, training): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
PassOAI-SearchBot (OpenAI, ChatGPT search): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
PassChatGPT-User (OpenAI, live fetch for users): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
PassClaudeBot (Anthropic, training): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
PassClaude-SearchBot (Anthropic, Claude search): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
PassPerplexityBot (Perplexity, search index): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
PassGoogle-Extended (Google, Gemini training control): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
PassCCBot (Common Crawl, open dataset): allowed on /
User-agent: * Allow: / Disallow: /workspace/ Disallow: /apps/ Disallow: /docs/core-1/ Disallow: /docs/core-2/ Matching rule: "allow: /" in group "*".
Passllms.txt found and well formed
First line: "# Clerk". 15 ## sections, 53 links, 5727 bytes.
Passllms-full.txt found
GET /llms-full.txt returned 200.
PassJSON-LD: 2 blocks, types Organization, ImageObject, ContactPoint, PostalAddress, WebSite
Every typed block has its required properties.
PassTitle, 42 characters
<title>Clerk | Authentication and User Management</title>
PassMeta description, 141 characters
content="The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and “The Modern Web”."
PassOpen Graph tags present
og:title: Clerk | Authentication and User Management og:description: The easiest way to add authentication and user management to your application. Purpose-bu… og:image: https://clerk.com/opengraph-image.jpg?opengraph-image.17r31whircaqh.jpg
PassCanonical link set
<link rel="canonical" href="https://clerk.com">
PassLanguage declared: en
<html lang="en">
Pass1 H1 heading
<h1>Everything you need for authentication</h1>
Pass73,158 characters of text without JavaScript
Text starts: "Clerk | Authentication and User Management Skip to main content Products Docs Changelog Company AI Pricing Sign in Sign up Sign out Dashboard Clerk raises $50m…"
PassSitemap found, 3,201+ URLs
robots.txt: Sitemap: https://clerk.com/sitemap.xml GET https://clerk.com/sitemap.xml returned 200.
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Scoring: llms.txt 15, JSON-LD 20, meta description 10, readable text 20, sitemap 10, AI crawler access 25. Want this page changed or removed? Email [email protected].
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