You may be managing or designing your own individual or corporate website or you may just be a casual web surfer. Wouldn’t you like to find out who is the owner of a website, where are certain websites hosted or how popular is a certain website? Or how did a website look ten years ago? If you want to peep at behind the scenes facts about various websites, then there are a plethora of free online tools to help you know each and every detail of any website on the internet.
Multiple Tools
Domaintools – A collection of network tools such as Ping, Traceroute, Whois, Reverse IP. Certain services like Whois history are paid services.
YouGetSignal – Another collection of network tools providing Whois, Reverse IP, Traceroute services.
Specialised Tools
Just-Ping - Finds out whether your website or blog is accessible from different parts of the world by running the ping command on your website from about 34 different locations across the world.
WhoIsTheOwner – Queries the whois database of all popular domain registrars such as Network Solutions & Godaddy. Unlike other whois services, this one is not tied to any particular domain registrars.
WhoIsHostingThis – Shows you the name of the webhost where a website is actually hosted.
AboutUs – Tells you more about a company behind a website or a domain name. AboutUs is a wiki for and about businesses and organizations typically including a summary of the website & its contact information.
BuiltWith – A web site profiler tool which tells you about all the technologies used to power a website. You can find out whether a site is running on Apache or Windows Servers, or if a blog is powered by WordPress or MovableType.
SocialMeter – Helps you determine the popularity of a website on social sites like Digg, delicious, Stumbleupon, etc.
Popuri.us – Checks the link popularity of any site based on its ranking (Google PageRank, Alexa Rank, Technorati etc.), social bookmarks (del.icio.us, etc), subscribers (Bloglines, etc) and more!
Wayback Machine – A phenomenal search engine that contains over 100 terabytes and 10 billion web pages archived from 1996 to the present. It allows you to see archived versions of websites as they looked in the past.



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