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

Fully Managed MySQL, PostgreSQL, and SQL Server

Automatic backups, patching, replication, and failover. Focus on your app, not your database.

Cloud SQL handles your database ops end to end, so you can focus on your app.

Try Free

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
Feroot

Feroot Security is a global leader in AI-powered website compliance and security. Feroot AI protects websites and web applications from hidden threats while enforcing compliance with PCI DSS 4.0.1, HIPAA rules on online tracking technologies, CCPA/CPRA, GDPR, CIPA, and 50+ laws and...

See Software
Criminal IP

Criminal IP equips security teams with the actionable Threat Intelligence needed to proactively identify, analyze, and respond to emerging threats. Powered by AI and OSINT, it delivers threat scoring, reputation data, and real-time detection of a wide array of malicious indicators, ranging from...

See Software
Proton VPN

Protect your business against damaging data breaches and easily comply with security frameworks like ISO 27001, GDPR, and HIPAA. Our software-only virtual private network easily integrates with your existing infrastructure to provide a flexible and scalable way to protect your...

See Software
Reflectiz

Reflectiz is a web exposure management platform that helps organizations identify, monitor, and mitigate security, privacy, and compliance risks across their online environments. It provides full visibility and control over first, third, and fourth-party components like scripts, trackers, and...

See Software
Kasm Workspaces

Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm uses our high-performance streaming and secure isolation technology to provide web-native Desktop as a Service (DaaS), application streaming, and secure/private web...

See Software