-
Basic Analysis With GTmetrix
An in-depth introduction to basic options with GTmetrix.
-
How to Read a Waterfall Chart for Beginners
Learn what each element of a Waterfall Chart means and how it relates to performance.
-
Throttling updates and CDN additions
This article may contain outdated material The features outlined in this article are still available. However, the content pertains to the legacy version of GTmetrix. Now offering Broadband (slow, normal, fast) and LTE connection speeds for GTmetrix reporting, Custom Connection speeds for Developer Toolkit users, and new CDN additions.
-
Black Friday/Cyber Monday 2017: Performance Blips and Blunders of Top Online Retailers
We monitored over 50 sites from the UK and the United States to see how they held up with the online retail rush that is Black Friday and Cyber Monday.
-
Meltdown/Spectre & GTmetrix: How patched servers affected us – and potentially you.
On December 28th, 2017, our test servers were patched to protect against Meltdown and Spectre vulnerabilities. Upon reboot, we noticed an increase in job runtime – roughly a 10% increase to the norm.
-
Browsers Updated and First Contentful Paint Added
In this release, major changes include upgrading Chrome and Firefox and also adding the First Contentful Paint timing.
-
First Contentful Paint Explained
Along with various other upgrades, Chrome 62 introduced the First Contentful Paint timing, which differs from First Paint. Read on to discover the difference.
-
New Default Screen Resolution and Browser for Tests
GTmetrix will now default tests to a screen resolution of 1366×768, using Chrome as the Browser Option.
