Unlighthouse at a glance
Checked 15 Oct 2026Unlighthouse is an MIT-licensed Node.js CLI (v0.19.1, Oct 2026) that discovers a site's pages and runs Google Lighthouse on each, showing performance, accessibility, best-practice and SEO scores in a local web UI. Run with `npx unlighthouse --site <url>`; needs Node 22.18+ and uses system Chrome or downloads Chromium. No paid services. It audits pages only: no keyword data, rank tracking or backlinks. Hardware needs are not documented.
RepoQuarry. “Unlighthouse.” Checked 15 Oct 2026. https://repoquarry.dev/projects/unlighthouseHow much of Semrush does it replace?
1 of 5 jobs. Lighthouse-based page audits across a whole site; not a full crawl-issue SEO audit.
For keyword research, rank tracking, backlink analysis, competitor analysis, see other Semrush alternatives. You may also need to build an interface, an API server and hosting yourself.
How much of Ahrefs does it replace?
1 of 5 jobs. Lighthouse-based page audits across a whole site; not a full crawl-issue SEO audit.
For keyword research, rank tracking, backlink analysis, competitor analysis, see other Ahrefs alternatives. You may also need to build an interface, an API server and hosting yourself.
Facts, with sources
Every answer links to where we found it. We read the documentation; we did not install it.
npx unlighthouse --site <your-site>github.com · unlighthouse#quick-setup ↗ 1d ago
Unlighthouse uses your system Chrome installation to keep package size minimal. When Chrome isn't available, it automatically downloads a compatible Chromium binary.unlighthouse.dev · chrome-dependency ↗ 1d ago
Requirements: Node >= 22.18.0.github.com · unlighthouse#quick-setup ↗ 1d ago
npx unlighthouse --site <your-site>github.com · unlighthouse#quick-setup ↗ 1d ago