Run results for: Dompurify vs sanitize-html latest

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/133.0.6943.84 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 133

Operating system: iOS 18.3.1

Device Platform: Mobile

Date tested: one year ago

Sanitize HTML

152K/s

DOMPurify

37K/s

View exact numbers

Test name	Executions per second
✓ Sanitize HTML	152,416 Ops/sec
DOMPurify	36,657 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/sanitize-html@1/dist/sanitize-html.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dompurify/dist/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);