SkillsAdd

infrasity-labs/dev-gtm-claude-skills

seo-unlighthouse

Multi-page Lighthouse audit via the MIT-licensed Unlighthouse CLI. Free-tier alternative to running PageSpeed against every URL on a site — no API quota burn, runs locally.

First seen Jun 16, 2026

Installation

$ npx skills add infrasity-labs/dev-gtm-claude-skills --skill seo-unlighthouse
View on skills.sh ↗ GitHub repository ↗

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 123
License LICENSE
Default branch main
Open issues 0
Status Active

Skill metadata

Parsed from SKILL.md frontmatter.

CompatibilityRequires Node 18+ and the unlighthouse-cli npm package. Run extensions/unlighthouse/install.sh to pre-warm.

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,751 B
  • docs SUMMARY.md 198 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 69 installs

SKILL.md

seo-unlighthouse

Run Lighthouse against every URL on a site (up to a configurable cap) and aggregate the results. Useful when:

  • PageSpeed Insights' free quota (25k QPD) isn't enough for a large site.
  • You want offline / local CWV measurement (CI integration, restricted environments).
  • You need a quick site-wide regression check after a deploy.

Prerequisites

  • Run extensions/unlighthouse/install.sh (no API key needed).
  • Node 18+ on $PATH.

Routing

Command Effect
/seo unlighthouse <url> Mobile audit, up to 200 routes, JSON+HTML report in a temp dir
/seo unlighthouse <url> --device desktop Desktop form factor
/seo unlighthouse <url> --max-routes 50 --output-dir ./reports Cap + persist

All flags forward to scripts/unlighthouserun.py which handles urlsafety pre-flight and subprocess timeout management.

Output handling

The wrapper reads ci-result.json from the Unlighthouse output dir and returns it parsed. Aggregate fields:

  • score.performance (median across audited routes)
  • score.accessibility, score.bestPractices, score.seo
  • Per-route breakdown is available in <output_dir>/ci-result.json

Cross-skill delegation

  • For single-URL field data (CrUX), use seo-google psi / seo-google crux.
  • For LCP subpart decomposition on slow pages, use the

scripts/lcp_subparts.py workflow (Phase C).