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description Intruder Overview

Intruder is a free, open-source website speed testing tool that analyzes a webpage’s performance by measuring various metrics like First Contentful Paint, Largest Contentful Paint, and Time to Interactive, providing detailed insights into potential bottlenecks.

help Intruder FAQ

What is Intruder?

Intruder is a free, open-source website speed testing tool that analyzes a webpage’s performance by measuring various metrics like First Contentful Paint, Largest Contentful Paint, and Time to Interactive, providing detailed insights into potential bottlenecks.

How good is Intruder?
Intruder scores 6.95/10 (Fair) on Lunoo, making it rated in the Web Pagetest category.
What are the best alternatives to Intruder?
See our alternatives page for Intruder for a ranked list with scores. Top alternatives include: Nessus, WPScan, OpenVAS.
How does Intruder compare to Nessus?
See our detailed comparison of Intruder vs Nessus with scores, features, and an AI-powered verdict.
Is Intruder worth it in 2026?
With a score of 6.95/10, Intruder is a solid option in Web Pagetest. See all Web Pagetest ranked.

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