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

Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.

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
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
cside

cside is a browser-layer security platform that gives you visibility for every visitor, human or agentic. Security, fraud prevention, privacy and compliance, all from a single script. Unlike traditional WAFs and server-side security tools, cside operates directly in the browser environment,...

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
UTunnel VPN and ZTNA

UTunnel provides Cloud VPN, ZTNA, and Mesh Networking solutions for secure remote access and seamless network connectivity. ACCESS GATEWAY: Our Cloud VPN as a Service offers swift deployment of Cloud or On-Premise VPN servers. It utilizes OpenVPN and IPSec protocols, enables policy-based...

See Software