LiteSpeed Cache is one of the most powerful WordPress performance plugins available — but it’s also one of the easiest to misconfigure. Enable CSS Combine on the wrong theme and you get a flash of unstyled content.

Turn on JS Defer without exclusions, and your table of contents breaks for every logged-out visitor. The settings that boost one site’s PageSpeed score can quietly wreck another’s.

That’s because the right configuration depends on your specific setup — your hosting environment, whether you’re running a CDN, your site type, and which Core Web Vitals you’re trying to fix. There’s no universal “best settings” checklist.
This free tool changes that.

Answer 7 quick questions about your WordPress setup and get a personalized list of LiteSpeed Cache settings to enable, avoid, and watch out for — with the exact plugin path for each one.