Overview
Lighthouse is developed by Google and can be run against any web page, public or requiring authentication. It provides audits for performance, accessibility, progressive web apps, SEO, and more.
Key Audit Categories
- Performance: Measures loading speed and interactivity.
- Accessibility: Checks for common a11y issues.
- Best Practices: Ensures the page follows modern web standards.
- SEO: Checks for search engine optimization basics.
- PWA: Evaluates if the site meets Progressive Web App criteria.
Usage
Lighthouse can be run in Chrome DevTools, from the command line, or as a Node module.