SEO Poisoning Landing Page with Hidden Keywords

Darshan Thummar@Mighty

•updated Jun 10, 2026•0•0•4

This rule detects HTTP responses that contain hidden keywords, a technique often used in SEO poisoning. It specifically looks for HTML content with 'display:none' and 'font-size:0' which are common methods to hide text from users while still being parsed by search engine crawlers.