No, speedtest.net is not a tracker. Its simply a website which you can visit and measure your maximum upload and download speeds. It serves different purposes as well, like it can confirm your location to any user. That is, whether you are from where you are claiming to be from (

). Mostly useful on torrent sites, etc.
Warez sites are sites that let you download illegal and pirated stuff mostly from file hosting services like rapidshare, megaupload, etc. Since these applications are uploaded by single members and not like torrents which are shared by many, you can never be sure that the file contains malware free content. One of the top ten desi forums is
http://www.amaderforum.com
Ratio Faker is one tool which claims that you cannot be caught, but its very easy for any admin of a torrent site to catch you by checking the upload and download of a suspected torrent. Say you upload 300 MB and claim to upload 3 GB, there must be some user who has consumed that 2700 MB, but since there is none, you'll most easily be identified. Higher level trackers are the most ban happy trackers, and never try to do any such thing over there. I've seen people lose their accounts within half an hour of using such softwares!