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Unlighthouse

Unlighthouse is an MIT-licensed tool that runs Google Lighthouse across your entire site, crawling pages and showing scores in a local UI, via CLI or CI integrations.

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Introduction

Unlighthouse runs Google Lighthouse on your entire site. Instead of auditing one URL at a time, it discovers pages and audits them all, then shows results in a local UI. It needs Node 22.18 or later and saves reports to an output folder.

The source code is at harlan-zw/unlighthouse on GitHub under the MIT licence, with about 4,900 stars; the most recent commit was on 27 October 2026.

Features

  1. Site-wide audits: Crawls and audits every page.
  2. Local UI: Browse scores per page.
  3. CI mode: Run with budgets in pipelines; see docs.
  4. Integrations: Framework integrations listed in the docs.
  5. Lighthouse categories: Performance, accessibility, best practices and SEO.

Pros

  1. Free to use: Open source under MIT.
  2. Maintained: Commits as recent as 27 October 2026.
  3. Community: About 4,900 GitHub stars.

Cons

  1. Lab data: Like Lighthouse, not real-user data.
  2. Run time: Large sites take a while to audit.
npx unlighthouse --site https://example.com

Resources:

Pricing

Unlighthouse is free and open source under the MIT licence.

  1. Site owners auditing whole sites.
  2. SEO and performance teams.
  3. Not a fit for real-user monitoring.

Conclusion

Unlighthouse makes site-wide Lighthouse audits simple.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with Unlighthouse side by side.