Lighthouse analyzes web apps and web pages, collecting modern performance metrics and insights on developer best practices.
This image is greatly inspired from Justin RIBEIRO's work
docker run --rm --name lighthouse -it -v /path/to/your/report:/home/chrome/reports femtopixel/google-lighthouse <your_site_url> <optional_args>
With <you_site_url> url to your site (e.g. http://www.google.com). You can pass args AFTER the url if you want to.
For example, you can export as json with this command:
docker run --rm --name lighthouse -it -v /path/to/your/report:/home/chrome/reports femtopixel/google-lighthouse http://www.google.com --output json
You can specify CHROME_FLAGS environment variable (-e parameter in your docker command) to be used in chrome-flags parameter. (default: --headless --disable-gpu --no-sandbox)
Further reading on Google Lighthouse
- Error while writing files
Runtime error encountered: { Error: EACCES: permission denied, open '/home/chrome/reports/myawesome_site_admin_heavypage.report.json'
errno: -13,
code: 'EACCES',
syscall: 'open',
path: '/home/chrome/reports/myawesome_site_admin_heavypage.report.json' }
Make sure your folder has the write right for others (chmod o+w)