web-perf

Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (FCP, LCP, TBT, CLS, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed. Biases towards retrieval from current documentation over pre-trained knowledge.

1.15x

Quality

94%

Does it follow best practices?

Impact

95%

1.15x

Average score across 3 eval scenarios

Securityby

Low

Low-risk findings worth noting

The canonical home for this skill is web-perf in cloudflare/skills

Preview

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Run	Type	Date	Status
baseline vs usage-spec With / without context 7 months ago Completed	With / without context	7 months ago	Completed

Eval run

019cc35e-360e-70ea-9b4d-5e51241bc241

Run 7 months ago

Stats are not available yet

The run is available. Its result stats will appear here when they are ready.

Repository: openai/plugins
Path: plugins/cloudflare/skills/web-perf/SKILL.md
Commit: 5fd93af

Evaluated: 7 months ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Frontend Bundle Performance Review Performance Audit Report for Hartwell Commerce Network Performance Audit for Pelican Media

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