Lighthouse - a project by Google that you should already know, and if not, catch up (video ~37 minutes)

Lighthouse is a tool developed by Google that helps developers improve the quality of web pages. It acts as an automated auditor that evaluates various aspects of a website, such as performance, accessibility, SEO, and best practices. This enables developers to identify areas that need improvement. By using Lighthouse, you can generate detailed reports that point out specific issues and recommend solutions. The tool is available as a Chrome extension and as part of the Chrome Developer Tools, making it very user-friendly for both beginners and experienced developers.