Website Technology Detector — What Tech Stack Is This?
Detect web servers, frameworks, CMS, and libraries in use
Frequently Asked Questions
How does technology detection work?
It analyzes HTTP response headers, HTML meta tags, JavaScript libraries, cookies, and other fingerprints to identify the web server, framework, CMS, and third-party services.
Why is knowing a website's tech stack useful?
For security testing, it helps identify known vulnerabilities in specific versions. For competitive analysis, it reveals what technologies competitors use.
Is technology detection accurate?
It identifies technologies that expose detectable signatures. Some sites actively hide their tech stack, and detection may miss technologies that don't leave public fingerprints.
For authorized, legal, and ethical security testing only. Scans are rate-limited to 3 per day on the free tier.