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squirrelscan

Free tools

quick checks that run part of a squirrelscan audit. free to use, no account needed.

Website audit tool

Run 249+ audit rules across your whole site and get the fixes, not just a score.

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llms.txt validator

Check your /llms.txt against the llmstxt.org spec, live.

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Broken link checker

Find dead internal and external links across every crawled page.

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Core Web Vitals test

Check LCP, INP, and CLS and the performance rules behind them.

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Security headers checker

Audit CSP, HSTS, and the rest of your security headers site-wide.

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Audit your site in one command

SEO, performance, security, accessibility and agent experience issues, with exact fixes for your coding agent.

Install
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Run cloud audit

No account needed for the CLI. Cloud audits include free monthly credits.