GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Tag: browser
Updated to Lighthouse 12.3, New CLS Audit Details, and Scoring Changes
Moving from Lighthouse 11.0.0 to 12.3.0 saw some relevant changes to CLS scoring methodology as well as various audits.
Browser Timings
Overview We’ve reorganized the following Browser Timings into the Performance Tab of GTmetrix Reports.
Basic Analysis With GTmetrix
An in-depth introduction to basic options with GTmetrix.
GTmetrix Bookmarklet – Start a Test from your Bookmarks Bar!
Quickly start a GTmetrix test on any page using our convenient bookmarklet. Read on for instructions on how to set it up!
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.