Browse recent website audits and performance trends

Explore technology stacks detected across the web

Side-by-side technology comparisons and market share

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Common questions about BeaverCheck scores and checks

How we calculate scores across 100+ checks

The story behind BeaverCheck and the team

Practical guides to fix common web performance issues

Check WCAG color contrast ratios between any two colors

Inspect HTTP response headers for any URL

Analyze SSL/TLS certificate details and chain

Look up DNS records for any domain

Trace the full redirect chain for any URL

Real-user INP and Core Web Vitals from Google's Chrome UX Report.

RESTful API for programmatic website audits

Embed an auto-updating health score badge on your site

Popular technology stacks

Explore well-known web technology stacks (JAMstack, MERN, LAMP, WordPress, Shopify, and more) and the real sites detected using each combination.

JAMstack

JavaScript + APIs + Markup -- modern static-first web

66 sites

Next.js framework deployed on Vercel's edge network

66 sites