Lighthouse
Lighthouse is a free tool from Google that checks a web page and reports on its speed, quality, and how well it follows good web-building practices. It is aimed mainly at web developers and site owners who want to improve their pages.
How hard it is to start using it. Easy: install it like a normal app, or use it in your browser. Advanced: you run it on your own server, use the command line, or it is a tool for developers.
Features
Checks a whole websiteAudits one page per run; --url-file lists multiple URLs.
SourcePartly
No server neededInstall the Chrome extension or use Chrome DevTools.
SourceYes
No commands neededDevTools and extension are point-and-click; CLI needs commands.
SourcePartly
Browser extensionChrome extension exists; no Firefox add-on mentioned.
SourcePartly
Connects to your other toolsNode module API exists; ready-made connections are listed separately.
SourcePartly
Screenshots2
Listed in
Checks site health and SEO basics, but not search rankings or marketing.
How to help
AI contributionsNot stated
The project has not said how it feels about AI-written contributions. Maintainers can set this by claiming the listing.