Skill
Web Performance
SkillCore Web Vitals from Cloudflare’s own skill.
Official web-perf skill. Render-blocking, LCP, the audit against what they measure.
spec·Apache-2.0·Updated this quarter·github.com/cloudflare/skills
Claude CodeCursorDesktop
Scanned
npx skills add cloudflare/web-perfBy Cloudflare
Input
A site behind Cloudflare.
Output
A performance note with a fix.
cf-web-perf.skill/invoke
You say
LCP is 4.2s on mobile.
It returns
Hero is a lazy client island. Preload + server HTML.
Prompt notebook
Prompts this skill is built for.
You say
LCP is 4.2s on mobile.
It returns
Hero is a lazy client island. Preload + server HTML.
You say
What’s blocking?
It returns
Two sync scripts in the head. Defer both.
What it teaches
- 01LCP
- 02INP
- 03Blocking
Other skills in the loop
Discussion
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