| name | cloudflare-web-perf |
| description | Audit Core Web Vitals and render-blocking resources. Official Cloudflare skill
for identifying and fixing LCP, INP, CLS, TTFB issues with Cloudflare-specific
optimization strategies.
|
| triggers | ["web performance","Core Web Vitals","LCP","CLS","INP","render blocking","cloudflare performance"] |
| das | {"category":"accessibility-quality","upstream":"https://github.com/cloudflare/skills","upstream_path":"skills/web-perf/SKILL.md","version":"latest","install":true} |
cloudflare-web-perf
Catalogue stub — full skill: cloudflare/skills
Decision tree
-
Is the full skill already installed?
Check whether the skill at this location still has a das: block:
- Global:
grep -q "^das:" ~/.agents/skills/cloudflare-web-perf/SKILL.md 2>/dev/null && echo "pointer" || echo "installed"
- Project:
grep -q "^das:" .agents/skills/cloudflare-web-perf/SKILL.md 2>/dev/null && echo "pointer" || echo "installed"
- No
das: block → full skill installed, invoke it and proceed
das: block present → go to step 2
-
Detect scope, then install:
To detect scope:
[ -e ~/.agents/skills/cloudflare-web-perf ] && echo "global" || echo "project"
Global (installed with -g):
npx skills add cloudflare/skills --skill cloudflare-web-perf -g -y
Project (installed without -g):
npx skills add cloudflare/skills --skill cloudflare-web-perf -y
Claude Code: send either command as a chat message starting with ! to run it without leaving the conversation.
Invoke after install
- Skill name:
cloudflare-web-perf
- Trigger phrases: "web performance", "Core Web Vitals", "LCP", "CLS", "render blocking"
What it does
Official Cloudflare skill for auditing and fixing Core Web Vitals — LCP (Largest Contentful Paint), INP (Interaction to Next Paint), CLS (Cumulative Layout Shift), and TTFB. Identifies render-blocking resources, unoptimized images, and layout instability causes. Includes Cloudflare-specific fixes using Workers, Cache Rules, and Image Optimization.