Individual skill

web-performance-audit

Use when asked to audit, profile, or debug page load performance, Lighthouse scores, or site speed. Don't use for tasks that require source or remote-system changes.

.devin/skills/web-performance-audit/SKILL.md

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License: Apache-2.0

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# Web performance audit

## Contract

| Field | Bound contract |
|---|---|
| Trigger | Audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed |
| Authority | Read-only. No file, VCS, credential, paid, published, deployed, or remote mutation. |
| Side effect | None. Produces a performance audit report with Core Web Vitals, network analysis, accessibility snapshot, and codebase findings. |
| Done | Report contains quantified CWV metrics, prioritized issues with estimated impact, specific recommendations, and framework/bundler detection. |

## Inputs

- Target URL (required): Page or application URL to audit. It must be reachable from the agent environment.