My rating
8/10
Pricing
Free & Paid plans
Category
Browser Extensions
Last reviewed
9 Jun 2026
What it is
Wappalyzer is a browser extension that detects the technologies behind any site — framework, CMS, analytics, CDN, server and more. It's great for competitive research and for quickly understanding how a prospective client's existing site is built.
Extension Tech Detection Research
Why I use it
First thing I click when a client says 'can you work on my existing site?' — it tells me the stack before they do.
Setting this up for your project?
I can integrate it properly or recommend a better fit for your case. Let's talk.
Get in touch