# Performance

> Run a Lighthouse performance audit on a webpage and get scores for accessibility, best practices, performance, PWA, and SEO. Use when the user wants to audit a website's performance, check accessibility scores, run Lighthouse, or analyze page speed and SEO.

## Facts
- Page: https://tashan.sh/capability/skill-browserless-performance
- tashan id: skill:browserless/performance
- Source: https://github.com/browserless/claude-plugin
- Type: skill
- Category: other
- tashan score: 43.0 / 100
- Adoption: 17.0
- Upkeep: 75.0
- Freshness: 84.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- Official: no

## Install

```sh
cp -r performance ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-08-14 by tashan (https://tashan.sh) from public evidence. Scorer s5.
