We walk you through all the reasoning behind monitoring your website with GTmetrix, complete with real-world examples and data.
There’s more to GTmetrix than just inputting your URL and clicking analyze. The results you get from our default test options are a good start, but they might not best represent your visitor’s experience.
Learn what each element of a Waterfall Chart means and how it relates to performance.
Quickly start a GTmetrix test on any page using our convenient bookmarklet. Read on for instructions on how to set it up!
Now offering Broadband (slow, normal, fast) and LTE connection speeds for GTmetrix reporting, Custom Connection speeds for Developer Toolkit users, and new CDN additions.