⚖️ HTML Entity Encoding vs URL Encoding
Compare HTML markup sanitization entities with URI percent-encoding strings.
Feature Matrix
| Feature / Metric | HTML Entity Encoding | URL Percent-Encoding |
|---|---|---|
| Context | HTML document body & templates | HTTP request URLs & query parameters |
| Format | &entityName; or &#code; | %HEX (e.g. %20 for space) |
| Primary Threat | Cross-Site Scripting (XSS) | URL routing & parameter injection |
Pros & Cons Contrast
HTML Entity Encoding
🟢 Advantages
- Prevents HTML parser script execution.
- Supports named entity shortcuts.
🔴 Limitations
- Only intended for HTML DOM rendering.
URL Percent-Encoding
🟢 Advantages
- Ensures URLs contain safe ASCII characters for HTTP routers.
🔴 Limitations
- Not suitable for escaping HTML markup.
Frequently Asked Questions
Detailed standard and mode difference FAQs.