Tests are one way — and perhaps not the best way — to judge browser performance. That's because browsers and their underlying operating systems are updated often. Even during testing for this story, Windows 10, Edge and Firefox were updated so that original tests had to be discarded and repeated. By the time you read this, additional updates may have been released. Nonetheless, the benchmarks represent a snapshot in time and can generally assist with overall evaluations.

Octane 2.0: On the Octane 2 benchmark, which measures JavaScript engine performance, Edge dominated with a score of 25295, the best run according to the recommended testing protocol. Firefox followed with a 23737 score, narrowly edging out Chrome, which registered 23297.

JetStream 1.1: JetStream, a JavaScript benchmark suite, focuses on the most advanced web applications. Again, Edge topped the competition with a score of 169.82, followed by Chrome at 134.13, and Firefox at 121.58.

HTML5 Test: The HTML5 test demonstrates how close a browser comes to aligning with the standard. A perfect score is 555, but the best of the lot went to Chrome, with 519, followed by Firefox at 471, and Edge at 460. A CSS3 test showed a slight variation in the lineup with Firefox scoring 65 percent, followed by Chrome at 55 percent, and Edge trailing at 47 percent.



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