Kraken is a JavaScript performance benchmark created by Mozilla that measures the speed of several different test cases extracted from real-world applications and libraries.
Sunspider AlternativesBenchmark Tools and other similar apps like Sunspider
Sunspider is described as 'A JavaScript benchmark - this benchmark tests the core JavaScript language only, not the DOM or other browser APIs. It is designed to compare different versions of the same browser, and different browsers to each other' and is a Benchmark tool. There are 1 alternatives to Sunspider, not only websites but also apps for. The best Sunspider alternative is Kraken JavaScript Benchmark, which is both free and Open Source.