This article may contain outdated material The analysis performed in this article references the legacy version of GTmetrix. We’re back this year with Black Friday/Cyber Monday Performance Blips and Blunders 2019 edition! Like we did in previous years, we monitored the most popular online retail sites from the US and UK to see how they […]

This article may contain outdated material The infographics in this article reference the legacy version of GTmetrix. Check out our Black Friday 2018 Performance Infographic!

This article may contain outdated material The analysis performed in this article references the legacy version of GTmetrix. Continuing from our last year’s Black Friday/Cyber Monday post, we monitored over 50 popular retailer sites from the UK/US to see how they fared in this year’s shopping rush.