Run results for: Math.random vs crypto.getRandomValues

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.1.1

Device Platform: Mobile

Date tested: 2 months ago

Test name	Executions per second
Math.random	334558656.0 Ops/sec
crypto API	4775704.0 Ops/sec

Tests:

Math.random
Math.random()
crypto API
crypto.getRandomValues(new Uint8Array(1))

Run results for: Math.random vs crypto.getRandomValues

Fast and quick test

Math.random

crypto API