GTmetrix
Page speed testing tool with a waterfall of every file a page loads, history and monitoring on paid plans.
- Free plan or free tier
About PageSpeed Insights
Free Google tool that tests how fast a page loads on mobile and desktop and lists what slows it down.
Details
Free plan or free tier
Yes
Not enough info yet on built-in AI features, works with WordPress, mobile app. Check the tool's own site.
Listing written by HostHangout, checked 2026-11-03. Report a correction or request removal. Back to site checks and monitoring.