What web-Next generation web scanner
WhatWeb is like nmap but for the web. WhatWeb recognizes web technologies including content management systems (CMS), blogging platforms, statistic/analytics packages, JavaScript libraries, web servers, and embedded devices. WhatWeb has over 900 plugins, each to recognize something different. WhatWeb also identifies version numbers, email addresses, account IDs, web framework modules, SQL errors, and more.
Features:
- Over 900 plugins
- Control the tradeoff between speed/stealth and reliability
- Plugins include example URLs
- Performance tuning. Control how many websites to scan concurrently.
- Multiple log formats: Brief (greppable), Verbose (human readable), XML, JSON, Magic Tree, Ruby Object, Mongo DB.
- Recursive web spidering
- Proxy support including TOR
- Custom HTTP headers
- Basic HTTP authentication
- Control over webpage redirection
- Nmap-style IP ranges
- Fuzzy matching
- Result certainty awareness
- Custom plugins defined on the command line
First Open Your backtrack and Follow these path
Applications->BackTrack -> Information Gathering -> Web Application Analysis -> CMS Identification -> whatweb

Usage
. /whatweb

Use whatweb in verbose mode
./whatweb –v www.example.com




