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SiteLint - fast, offline audits for Accessibility, Performance, Security & Technical SEO inside DevTools and Side Panel. Whether you're coding, testing, or designing, SiteLint helps you catch issues early and ship inclusive, high-performing websites.
Why Use SiteLint to build accessible websites?
✅ Multi-audit engine: Accessibility, Performance, Security, Technical SEO - run comprehensive audits with a single tool. ✅ 100 % client-side · cryptographically signed audit engine · SHA-384 integrity check on every scan engine update. ✅ Works offline in DevTools & Side Panel · zero telemetry without consent. ✅ Ensure compliance with WCAG, ADA, EAA and other accessibility standards. ✅ Improve user experience for millions of people with disabilities. ✅ Avoid costly rework by catching issues early in development. ✅ Prevent accessibility lawsuits with proactive testing. ✅ Beyond accessibility - check your site for technical SEO, performance, and more.
Automated accessibility testing
With a single click, SiteLint scans your web pages for common accessibility issues, providing clear explanations and guidance for remediation.
Efficient and developer-friendly workflow
Use SiteLint directly in your Developer Tools or through the Chrome Side Panel for a seamless testing experience. The Developer Tools integration allows in-depth analysis alongside your code, while the Side Panel feature keeps accessibility insights accessible as you browse - making testing faster and more intuitive.
✅ Instant issue breakdowns with actionable remediation steps. ✅ Code-level insights to pinpoint the exact source of problems. ✅ Streamlined integration into your development process.
Unlock more with SiteLint Pro (soon).
Connect to a free account for advanced insights
✅ Analyze thousands of pages, including those behind authentication and VPN. ✅ Track dynamic changes over time. ✅ Hide confidential information to protect sensitive data.
Install once, audit everywhere and build faster, safer, more inclusive sites with SiteLint!