[dropcap]H[/dropcap]ow do I contact the owner of a website? Where is a particular website hosted? What other websites are hosted on that same server ? Is the site using Java, .net, PHP, WordPress, Drupal or other platforms (Technologies)?.
Here are some of the most useful online tools that will help you know each and every detail of any website.

How do you determine what technology a website is built on?

• http://who.is/


• http://www.ewhois.com/


• http://builtwith.com/


• https://developers.google.com/speed/pagespeed/insights/


• http://myip.ms/


• http://www.whoishostingthis.com/


• http://popuri.us/


• http://www.semrush.com/


• https://cloudmonitor.ca.com/en/


• https://www.chillingeffects.org/


• https://www.whatsmydns.net/


• http://dev.modern.ie/


• http://ctrlq.org/sandbox/


• http://httparchive.org/websites.php


• http://www.domaintools.com/


• http://news.netcraft.com/


• http://w3techs.com/sites


• https://www.similartech.com/


• https://wappalyzer.com/

How can I figure out what technologies a site is built on?

• Wappalyzer - CMS, frameworks/libraries, e-commerce, message boards etc.


• Domain Details - IP, country and webserver details


• Library Detector - Javascript libraries in use

• Wappalyzer


• SimilarTech


• PageXray

 How to Know Everything About a Website