Advanced users can now analyze logged-in pages (like Facebook profiles) by specifying cookies.
This will simulate a logged in session and generate a GTmetrix report for that page. Read more in the FAQ
GTmetrix can now analyze IPv6 enabled websites:
https://gtmetrix.com/reports/ipv6.gossamer-threads.com/475PwjAb
Let’s make the future of the web faster, too. Test your IPv6 enabled site today!
Big changes are coming to GTmetrix: Lighthouse, new test locations, new PRO plans, etc.
Improved consistency in report timings
GTmetrix interview with Website Planet
Recommendation Updates – HTTP/2 changes and more
Black Friday/Cyber Monday 2019: Performance Blips and Blunders of Top Online Retailers