WhatWeb is a web scanner that identifies websites and recognizes web technologies including content management systems (CMS), blogging platforms, JavaScript libraries, web servers, and more.

What technologies can WhatWeb detect?

WhatWeb can detect over 1800 technologies including WordPress, Drupal, Joomla, Apache, Nginx, jQuery, Bootstrap, PHP versions, and many more web frameworks and libraries.

Yes, WhatWeb performs passive reconnaissance by analyzing HTTP responses. It does not exploit vulnerabilities or modify anything on the target server.

WhatWeb is a web scanner that identifies websites and recognizes web technologies including CMS, frameworks, JavaScript libraries, web servers, and more.

What technologies can be detected?

WhatWeb can detect over 1800 technologies including WordPress, Drupal, Joomla, Apache, Nginx, jQuery, Bootstrap, PHP versions, and many more.

Yes, WhatWeb performs passive reconnaissance by analyzing HTTP responses. It does not exploit vulnerabilities or modify anything on the target.

Why use technology detection?

Knowing what technologies a website uses helps with security assessments, competitive analysis, and understanding how sites are built.

Technology Scanner

Free

Identify what technologies a website is using. Detect CMS, frameworks, JavaScript libraries, web servers, and more.

This tool identifies what technologies a website is using by analyzing HTTP responses.

Information we can provide

•CMS detection (WordPress, Drupal, Joomla)
•Web server identification
•JavaScript frameworks & libraries
•Programming language detection
•1800+ technology signatures

Requires login. Registered: 2 scans/day • Premium: Unlimited. Uses aggressive scanning mode.

Website Technology Scanner

Enter a domain name to identify the technologies it uses (CMS, frameworks, libraries, servers).

Terminal Output

Ready

$Waiting for input...

How It Works

Enter Domain

Enter the domain name of the website you want to analyze.

Technology Detection

WhatWeb scans the website and identifies technologies from HTTP headers, HTML, and JavaScript.

View Results

See a detailed list of detected technologies, versions, and configurations.

Features

1800+ Technologies

Detects WordPress, Drupal, Joomla, React, Angular, Vue, and hundreds more.

Version Detection

Identifies specific versions of frameworks, libraries, and server software.

Aggressive Mode

Uses aggressive scanning (-a 3) for thorough technology fingerprinting.

How It Works

Features

Frequently Asked Questions

What is WhatWeb?

What technologies can be detected?

Is this scan safe?

Why use technology detection?