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Browse recent website audits and performance trends

Explore technology stacks detected across the web

Side-by-side technology comparisons and market share

Curated technology stacks and the sites that use them

Editorial deep-dives on the state of web performance

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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

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Migration Guides

Step-by-step guides for moving between web technologies

Definitions for performance, SEO, and web platform terms

Contrast Checker

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

Redirect Checker

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

157 websites using styled-components

All websites detected using styled-components, ranked by composite performance score. Live data from BeaverCheck audits.

Domain	Score	Perf	Last audited
marriott.com	D 69	10	Apr 16, 2026
adn.com	D 68	19	Apr 22, 2026
lg.com	D 68	24	Apr 21, 2026
500px.com	D 68	24	Apr 21, 2026
mixcloud.com	D 68	26	Apr 21, 2026
clickn.co.kr	D 67	28	Apr 22, 2026
amazonalexa.com	D 67	28	Apr 16, 2026

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