Discover issues with rendering performance
Spot repainting, layout shifts, layers and tiles, scrolling issues, see rendering statistics and Core Web Vitals.
CSS Overview: Identify potential CSS improvements
Identify potential CSS improvements with the CSS Overview panel.
Coverage: Find unused JavaScript and CSS
How to find and analyze unused JavaScript and CSS code in Chrome DevTools.
Security: Understand security issues
Use the Security Panel to make sure that a page is fully protected by HTTPS.