GTmetrix Performance Blog
News, updates and guides on GTmetrix and general web performance
Author: Ian
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.
Advanced Options for PRO (formerly Developer Toolkit)
GTmetrix has a ton of great features available in our Basic account (Sign up if you haven’t yet – it’s free!) – but for those who wanted more advanced insights, we’ve listened to your feedback and created the Developer Toolkit – a bundle of features that can help you get the most out of GTmetrix.