home/categories/debugging/antoineschaller-cortex-skills-templates-skills-web-performance-metrics-skill-md
debuggingtools

web-performance-metrics

Analyze, track, and optimize web app performance metrics including INP optimization (< 200ms target), Core Web Vitals, bundle size, runtime performance, and network metrics. Use when measuring performance, debugging slowdowns, optimizing bundles, preventing regressions, or setting performance budgets. Includes INP, LCP, CLS, Islands architecture, Scheduler API, and touch target optimization.

antoineschaller
maintainer
antoineschaller
Mis à jour 1/19/2026
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quick start

Installation and usage

Analyze, track, and optimize web app performance metrics including INP optimization (< 200ms target), Core Web Vitals, bundle size, runtime performance, and network metrics. Use when measuring performance, debugging slowdowns, optimizing bundles, preventing regressions, or setting performance budgets. Includes INP, LCP, CLS, Islands architecture, Scheduler API, and touch target optimization.

Installation
$ install --globalskills.sh
Utilisation

Après l'installation, vous pouvez utiliser ce skill en exécutant la commande suivante dans votre terminal :

skills use web-performance-metrics