🛠️ Tool
Freemium
Intermediate
Why we picked it This runs your site on real devices from real locations at set connection speeds, including Slow 3G, so you get an honest picture rather than a guess from your fast office wifi. It shows exactly which bytes and requests are hurting your load, and lets you test a repeat visit to check your caching. The closest you get to your user's experience without flying to their city.
WebPageTest
From WebPageTest (Catchpoint) by WebPageTest Web tool
- Test on a real device at a defined slow connection speed
- The waterfall shows precisely what is slowing the first load
- A second cached run reveals whether repeat visits are actually fast
