Lighthouse
Lighthouse: A flexible page-audit toolkit for technical SEO and developer workflows. Ranked #25 of 35 in SEO Audit Software by our editors (6.4/10); pricing: Open source; best for free page-level technical checks.
At a glance
- Editor score6.4 / 10
- PricingOpen source
- Best forFree page-level technical checks
- Paid fromFree
- Facts checked21 Sep 2026
Where it wins
- Audits performance, accessibility, SEO, and best practices
- Runs through Chrome, CLI, API, Node module, and web workflows
- Supports CI checks plus custom audits and plugins
Where it doesn't
- Focuses on page audits rather than full-site crawling
- Does not provide scheduled-audit workflows
- Search-visibility tracking is outside its stated scope
Our verdict on Lighthouse
Lighthouse is an open-source auditing tool from Google for developers evaluating web pages and applications. It examines performance, accessibility, SEO, and development best practices, then produces reports with audit results and remediation guidance. Its page-level focus makes it a strong fit for technical SEO checks during development, debugging, and release review. It is less suited to teams seeking a hosted platform that continuously crawls an entire site or tracks search visibility over time.
Lighthouse offers broad workflow coverage without shifting to a hosted subscription model. It can run in Chrome DevTools, through a Chrome extension, from the command line, as a programmatic Node module, or through a web interface. Developers can also connect it to continuous-integration workflows through Lighthouse CI, helping identify regressions during development. Custom audits and plugins extend the tool beyond its built-in categories, while API access supports programmatic use. This combination makes Lighthouse adaptable for teams that want to place technical checks inside existing engineering processes.
The trade-off is focus. Lighthouse is primarily an audit component, not a full website-crawling or search-visibility platform. Its strongest use case is evaluating individual pages and applications across technical quality dimensions, especially where developers need command-line, browser, API, self-hosted, or CI options. Choose it for open-source page audits and customizable developer workflows. Choose an alternative when the central requirement is scheduled site crawling, broader site-level SEO management, or ongoing search-visibility tracking.
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Lighthouse pricing
Lighthouse fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Pages per crawl | Not verified |
| Scheduled audits | Not verified |
| JavaScript crawling | Not verified |
| On-page audits | Yes |
| Search visibility audits | Not verified |
| API access | Yes |
| Deployment | Self-hosted, Desktop, Browser extension |
| Platforms | Web, Chrome extension |
| Support | Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Open source |
| Website | developer.chrome.com |
| Facts checked | 21 Sep 2026 |
Alternatives to Lighthouse
- Screaming Frog SEO SpiderA mature desktop crawler for detailed audits, automation, and integrations.9.3
- SitebulbA visual, technically focused crawler for recurring audits and clear issue prioritization.8.8
- SEO PowerSuiteA broad desktop SEO suite with free access and paid plans from $349 per year.8.7
See all Lighthouse alternatives →
Also Ranked In
Lighthouse is ranked in 3 of our directories.
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Featured on iTechGuides
Lighthouse is listed in our SEO Audit Software directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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