PerformanceMIT

Performance optimization

by Addy Osmani (opens in a new tab) addyosmani/agent-skills

Measure, find the bottleneck, fix it, and guard against regressions.

Installation

Skills CLI

Skills CLI command
npx skills@latest add addyosmani/agent-skills --skill performance-optimization

Requires Node.js and npm. Choose your agents in the installer; add -g for a global installation.

Fieldbook review

Reviewed 27 Sept 2026

Spans Core Web Vitals, backend response times and N+1 queries, always starting from a measurement.

  • LicenceMIT
  • FrontmatterValid name and description
  • Risky patternsNone found
  • Size497 lines
  • Last checked27 Sept 2026 · 00694d0c69bbde674d0e39de24052d90afea32d9fef9553eaee21a50a7e9b8cf

What it can touch

  • Runs commands

    Runs shell commands such as tests, builds or installs.

  • Browser

    Drives a real browser.

Read the source

Fieldbook links to the original instead of copying it, so you always read the version you install.

skills/performance-optimization/SKILL.md on GitHub (opens in a new tab)