Run results for: Math.random vs crypto.getRandomValues (2) vs RandomUUID

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Math.random

31.2M/s

crypto.getRandomValues

1.3M/s

crypto.randomUUID

862K/s

View exact numbers

Script Preparation code:

var array = new Uint32Array(1)

Tests: