Run results for: Math.random vs crypto.getRandom Alberto

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/133.0 Mobile/15E148 Safari/605.1.15

Browser: Mobile Safari 18

Operating system: iOS 18.2

Device Platform: Mobile

Date tested: one year ago

Math.random()

326.5M/s

crypto.getRandomValues()

3.7M/s

View exact numbers

Test name	Executions per second
✓ Math.random()	326,548,352 Ops/sec
crypto.getRandomValues()	3,739,616 Ops/sec

Tests: