Most webmasters use CMS to build website rather than custom made. This is nothing to be surprised since a website can be done in a few minutes by using CMS such as WordPress, Joomla……
Have you ever wonder whether a website is custom made or use CMS ? I do research online and find many useful tools
builtwith
wappalyzer
About: Wappalyzer is a browser add-on that uncovers the technologies used on websites. It detects CMS and e-commerce systems, message boards, JavaScript frameworks, hosting panels, analytics tools and several more.
Website: http://wappalyzer.com
guess.scritch.org
About: This tool will analyze websites and attempt to detect the plaform, language, framework and other technologies used for any website. No plugins or extensions required and works with any browser!
Website: http://guess.scritch.org
Backend Info
About: BackendInfo is a lightweight (24kb) Firefox extension that detects name and version of backends behind websites.
Website: http://www.backendinfo.com
Online web Tool
About: A content management system (CMS) is a system used to manage the content of a Web site. Many people use CMS to manage the content of their website easier.with this tool you can find and detect which CMS the websites are using.
we can recognize about 70 of most popular and famous CMS(es).
Website: http://onlinewebtool.com/cmsdetector.php