13 tagged lighthouse, measured the same way as everything else here.
Browse within: core-web-vitals 10accessibility 8
Skill Claude CodeCodex
Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible".
Skill Claude CodeCodex
Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "security audit", "modernize code", "code quality review", or "check for vulnerabilities".
Skill Claude CodeCodex
Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduce load time", "fix slow loading", "improve page speed", or "performance audit".
Skill Claude CodeCodex
Autonomous UI/UX review — screenshots every page at mobile/tablet/desktop (full-page scrolling), analyzes with vision models for layout bugs, checks accessibility (axe-core), audits contrast/colors/fonts/spacing for design system inconsistencies, detects dead buttons/links, overlapping elements hiding text/buttons…
Skill Claude CodeCodex
Run Google Lighthouse to measure and verify web quality — performance, accessibility, SEO, and best practices. Use when asked to "run Lighthouse", "measure performance", "check my Lighthouse score", "audit a URL", "set up performance budgets", or "add Lighthouse to CI".
billylui/wordpress-performance-skills
Skill Claude CodeCodex
Audits performance of a live WordPress site at whatever access level is available, from a public URL alone up to WP-CLI. Fingerprints the stack (page builder, theme, caching layers, CDN, host class, multilingual plugin), measures origin-versus-edge TTFB, payload and Core Web Vitals, then reports ranked findings with…
billylui/wordpress-performance-skills
Skill Claude CodeCodex
Applies performance fixes to a live WordPress site under a guarded write loop — one change at a time, each with explicit approval, a rollback snapshot captured first, a purge on the cache layer that actually holds the stale copy, and verification of what a visitor really receives. Refuses changes the site's host…
Considus/pagespeed-insights-mcp
Skill Claude CodeCodex
How to read what the PageSpeed Insights MCP returns without overclaiming. Use whenever answering a question about site speed, Core Web Vitals, Lighthouse scores, LCP phases, or what to fix on a page, and whenever the pagespeed-insights MCP tools are called. Covers when a change is real, why savings must not be added…