When you are at some good looking and beautiful websites you are more interested to know website technology.There are many techniques available to figure out what technology a website is built on.
Information from Site URLs,meta tags,from response headers,cookies,stylesheets, comments on html source page etc are sources to know website technology.
There are many good tools available for finding site details. Few of them are
2.Builtwith : It is similar to wappalyzer, available as browser extension.It also have paid service where it will provide you the information about technologies across millions of largest sites on the web.By aggregating the data about usage across all of the sites that it tracks, BuiltWith can show which web technologies are gaining or losing in usage across the web.
3. SimilarTech: It is similar to the Buitwith and available as chrome extension.In pro version It will provide information about websites trafic,Technology alerts,contact details etc..
4.PageXay: It is available as chrome-extension will redirect to website to get complete information.
5. GuessScript: It is a web-tool can list website technologies.
6.AppSpector: A chrome extension which show only icons of technologies.