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Google Lighthouse
Automated audits for performance, SEO and web quality
PricingOpen Source
CategoryPerformance
Data checkedManually checked
Launch dateJul 21, 2026
Overview
What is Google Lighthouse?
Google Lighthouse audits web pages across performance, accessibility, best practices and search discoverability. It runs from Chrome DevTools, the command line or Node.js, supports custom configurations and produces detailed HTML, JSON or CSV reports for debugging and continuous integration.
Google Lighthouse belongs in the diagnostic part of the SEO workflow. It helps teams move from a large set of URLs and technical signals to a smaller, prioritized set of issues that can be investigated and assigned.
Best forIn-house SEO teams, consultants and agencies responsible for site health.
Primary workflowTechnical auditing and diagnosis
Delivery modelOpen-source software with self-managed deployment options
Pricing modelOpen Source
Product gallery / 01
See Google Lighthouse in context
Capabilities
What it helps you do
01
Performance and SEO audits
Use performance and seo audits to turn site-level data into specific findings that can be reviewed, prioritized and handed to the person responsible for implementation.
02
Core Web Vitals diagnostics
Core Web Vitals diagnostics is one of Google Lighthouse’s documented core capabilities. Its exact scope can vary by plan, deployment and integration, so validate it against the current product documentation.
03
Accessibility checks
Accessibility checks is one of Google Lighthouse’s documented core capabilities. Its exact scope can vary by plan, deployment and integration, so validate it against the current product documentation.
04
Custom audits and reports
Use custom audits and reports to turn site-level data into specific findings that can be reviewed, prioritized and handed to the person responsible for implementation.
Workflow
How Google Lighthouse fits into the work
01
Performance and SEO audits
Use performance and seo audits to turn site-level data into specific findings that can be reviewed, prioritized and handed to the person responsible for implementation.
02
Core Web Vitals diagnostics
Core Web Vitals diagnostics is one of Google Lighthouse’s documented core capabilities. Its exact scope can vary by plan, deployment and integration, so validate it against the current product documentation.
03
Accessibility checks
Accessibility checks is one of Google Lighthouse’s documented core capabilities. Its exact scope can vary by plan, deployment and integration, so validate it against the current product documentation.
Decision guide
What to know before choosing
A good fit when
- ✓You need support for Performance and Technical SEO in a defined workflow.
- ✓You want inspectable source code and are comfortable owning setup, hosting or maintenance.
- ✓Your stack already includes or can work with Chrome DevTools, CLI, Node.js, CI.
Verify before adopting
- →Confirm which capabilities are included in the current open source offering and whether usage limits apply.
- →Review the license, release activity, deployment requirements and ongoing maintenance ownership.
- →Validate the depth and scale of custom audits and reports for your team.
Categories
Practical questions
Google Lighthouse FAQ
What is Google Lighthouse?+
Google Lighthouse is automated audits for performance, seo and web quality. Google Lighthouse audits web pages across performance, accessibility, best practices and search discoverability. It runs from Chrome DevTools, the command line or Node.js, supports custom configurations and produces detailed HTML, JSON or CSV reports for debugging and continuous integration.
Who is Google Lighthouse best for?+
In-house SEO teams, consultants and agencies responsible for site health.
How is Google Lighthouse priced?+
Google Lighthouse is listed with a open source pricing model. Confirm current plan limits and billing on the official website before choosing.
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