If you want to block any site in Chrome, then you need to install a Chrome extension . The name of the extension is Personal Blocklist.
BlockSite is an extension, which automatically blocks websites of your choice. This extension will also disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.
There is a great war going on in between Browsers. My friend as thought about it and made few pictures which describes the browsers by simply looking the picture. Here is the picture to show the Browsers in an Toon way..