Skill UI

Run multi-page Lighthouse audits via the Unlighthouse CLI, aggregating performance, accessibility, best-practices, and SEO scores across all routes on a site. A free, local alternative to PageSpeed Insights API quotas, ideal for CI integration, large sites, and post-deploy regression checks.

Audit and fix a site's readiness for AI browsing agents: the Lighthouse Agentic Browsing fraction, accessibility tree, robots.txt and Content-Signal, WAF treatment of agent traffic, llms.txt, Markdown delivery, ai-catalog.json, /.well-known files and WebMCP tools.

A portable CI gate designed to enforce Core Web Vitals (LCP, CLS, INP) budgets and category score floors on production frontend builds. It integrates into CI pipelines to automatically block pull requests if the performance metrics fall below defined Google standards, ensuring consistently fast and reliable user experiences.

This skill provides a structured workflow to scan, audit, and fix web performance issues across Lighthouse and PageSpeed Insights pillars including Performance, Accessibility, Best Practices, and SEO. It helps improve Core Web Vitals like LCP, FCP, and CLS by identifying bottlenecks such as render-blocking resources and unused JavaScript. Users should provide reports or URLs for analysis.

Learn performance profiling principles: measurement, analysis, and optimization. Covers Core Web Vitals, profiling workflows, bundle analysis, runtime profiling, common bottlenecks, quick wins, and anti-patterns. Includes a Lighthouse audit script for automated checks.

A comprehensive guide for auditing web content against WCAG 2.2 guidelines. This skill assists users in conducting thorough accessibility audits by combining automated scans (Axe, Lighthouse) with critical manual checks, such as keyboard navigation and screen reader flow. It provides actionable remediation strategies to ensure compliance with standards like ADA and Section 508.