

With 20 of the most popular websites opened in tabs, we can see that Firefox's and Vivaldi's memory use were the highest. Memory usage is one of the most important considerations because web browsers typically consume a lot of memory - especially when you have a lot of opened tabs and if you visit media-rich sites. It maintained low CPU utilization rates and settled down almost as quickly as the rest.

Safari was the most efficient browser by a long shot. As for Firefox, although its CPU utilization rate wasn’t as high as its Chromium-based rivals, it took more time to settle down. Opera and Chrome both worked hard when the tabs were launched but settled down more quickly than Vivaldi. In this test, it worked the hardest and for the longest. Even scrolling through pages you could tell it wasn’t as smooth and as fluid. Unsurprisingly, Vivaldi was the most demanding browser. The CPU utilization results are interesting.
