Core Web Vitals Testing
From the author
Testing and monitoring Core Web Vitals (LCP, FID, CLS, INP, TTFB) to ensure web performance meets Google search ranking thresholds.
Install
npx skills add PramodDutta/qaskills --skill 'Core Web Vitals Testing' -a claude-code
Installs to .claude/skills/Core-Web-Vitals-Testing/ · Each command fetches the skill straight from GitHub with the open skills CLI.
Download .zip
Byte-identical to the scanned commit, with the repository’s licence and a SOURCE.txt.
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Why 85
Security100
Provenance69
Maintenance100
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Adoption40
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- webperf-core-web-vitalsnucliweb/webperf-snippetsIntelligent Core Web Vitals analysis with automated workflows and decision trees. Measures LCP, CLS, INP with guided debugging that automatically determines follow-up analysis based on results. Includes workflows for LCP deep dive (5 phases), CLS investigation (loading vs interaction), INP debugging (latency breakdown + attribution), and cross-skill integration with loading, interaction, and media skills. Use when the user asks about Core Web Vitals, LCP optimization, layout shifts, or interaction responsiveness. Compatible with Chrome DevTools MCP.Browser★ 1.5K
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