Run results for: Dompurify vs sanitize-html

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Sanitize HTML

218K/s

DOMPurify

35K/s

View exact numbers

Test name	Executions per second
✓ Sanitize HTML	217,720 Ops/sec
DOMPurify	34,696 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/sanitize-html/1.27.5/sanitize-html.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/dompurify/2.2.7/purify.min.js"></script>

Tests:

DOMPurify
const testString = ` Welcome to safeland <a href='javascript:alert(1)'>This is fun</a> <img src=x onerror=console.log(1)> ` const result = DOMPurify.sanitize(testString)
Sanitize HTML
const testString = ` Welcome to safeland <a href='javascript:alert(1)'>This is fun</a> <img src=x onerror=console.log(1)> ` const result = sanitizeHtml(testString)