Run results for: XHR (responseType: json) vs fetch

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

xhr

8K/s

fetch

6K/s

View exact numbers

Test name	Executions per second
✓ xhr	7,747 Ops/sec
fetch	5,546 Ops/sec

Tests:

xhr
const xhr = new XMLHttpRequest(); xhr.responseType = 'json'; xhr.open('GET', 'https://www.googleapis.com/discovery/v1/apis'); xhr.onload = () => console.log(JSON.parse(xhr.response)); xhr.send();
fetch
fetch('https://www.googleapis.com/discovery/v1/apis').then(response => response.json()).then(console.log)