WhatWeb

WhatWeb is a Ruby-based web scanner for fingerprinting websites. It identifies CMS, server technologies, JavaScript frameworks, and other characteristics by analyzing HTML, headers, JavaScript, cookies, and responses. Commonly used in reconnaissance and security assessments.

Features

Identifies over 900 plugins, frameworks, and technologies
Detects CMSs, web servers, analytics tools, and libs
Plugin-based fingerprints for extensibility
Outputs in various formats (JSON, CSV, CLI)
Command-line scanning with recursion and target lists
Supports stealth mode, timing adjustments, and custom headers

Project Samples

Project Activity

See All Activity >

License

GNU General Public License version 3.0 (GPLv3)

Follow WhatWeb

WhatWeb Web Site

Other Useful Business Software

Our Free Plans just got better! | Auth0

With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.

Try free now

Rate This Project

User Reviews

Be the first to post a review of WhatWeb!

Additional Project Details

Operating Systems

Linux, Mac, Windows

Programming Language

Ruby

Related Categories

Ruby Security Software

Registered

2025-07-31

Similar Business Software

Source Defense

Source Defense is a mission critical element of web security designed to protect data at the point of input. The Source Defense Platform provides a simple and effective solution for data security and data privacy compliance – addressing threats and risks originating from the increased use of...

See Software
WebScanner

DefenseCode WebScanner is a DAST (Dynamic Application Security Testing, BlackBox Testing) solution for comprehensive security audits of active web applications (websites). WebScanner will test a website’s security by carrying out a large number of attacks using the most advanced techniques, just...

See Software
Arachni

Arachni is a feature-full, modular, high-performance Ruby framework aimed towards helping penetration testers and administrators evaluate the security of modern web applications. It is free, with its source code public and available for review. It is multi-platform, supporting all major...

See Software
urlscan.io

urlscan.io is a free service to scan and analyze websites. When a URL is submitted to urlscan.io, an automated process will browse to the URL like a regular user and record the activity that this page navigation creates. This includes the domains and IPs contacted, the resources (JavaScript,...

See Software
IPQS Device Fingerprinting

Access over 25 data points for device fingerprinting details to analyze risk and device info. Device Fingerprinting by IPQS offers an unparalleled fraud detection solution capable of detecting even the most advanced fraudsters, bad actors, and cyber criminals. Scan over 300 data points (like...

See Software
Oracle Web Application Firewall

Protect applications from malicious and unwanted internet traffic with a cloud-based, PCI-compliant, global web application firewall service. By combining threat intelligence with consistent rule enforcement, Oracle Cloud Infrastructure Web Application Firewall strengthens defenses and protects...

See Software

Report inappropriate content

WhatWeb

Next generation web scanner

Get an email when there's a new version of WhatWeb

Features

Project Samples

Project Activity

Categories

License

Follow WhatWeb

User Reviews

Additional Project Details

Operating Systems

Programming Language

Related Categories

Registered