Website Technology Detector

What CMS, hosting, analytics and tools does a site use?

See what any website is built with – CMS, hosting, analytics, marketing and payment tools.

🎁 Your first website check is free – every security tool works on it. Need unlimited checks? Go Pro

🔒 Detected from public headers and the homepage HTML only.

How to use the website technology detector

  1. Enter a domain.
  2. We read its public headers and homepage code.
  3. Review the technologies by category.

Why it is useful

See what competitors use, check that your tracking (Google Analytics, Meta Pixel) is installed, or find out what a client's site runs on before quoting for work.

Frequently asked questions

How do I know if a site uses WordPress?

Enter it above – WordPress is detected from its files and generator tag.

Is this accurate?

It finds common technologies from public signals. Some tools load later via JavaScript and may be missed.

Is it legal to check?

Yes, it only reads what every visitor's browser receives.

Guides

Related free tools

See all 147 free tools →