performance
✓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".
Installation
SKILL.md
Deep performance optimization based on Lighthouse performance audits. Focuses on loading speed, runtime efficiency, and resource optimization.
| Total page weight | < 1.5 MB | 3G loads in 4s | | JavaScript (compressed) | < 300 KB | Parsing + execution time | | CSS (compressed) | < 100 KB | Render blocking | | Images (above-fold) | < 500 KB | LCP impact | | Fonts | < 100 KB | FOIT/FOUT prevention | | Third-party | < 200 KB | Uncontrolled latency |
Format selection | Format | Use case | Browser support |
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". Source: addyosmani/web-quality-skills.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/addyosmani/web-quality-skills --skill performance- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-01
- Updated
- 2026-02-18
Quick answers
What is performance?
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". Source: addyosmani/web-quality-skills.
How do I install performance?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/addyosmani/web-quality-skills --skill performance Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/addyosmani/web-quality-skills
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-01