The tool is free and can be used whenever you want. This is the best tool you will ever find because we are the most reliable and featured. Some countries place restrictions on who can register domains with its country TLD — though this is becoming less and less common as countries realize the revenue opportunities from selling domains worldwide. If it's not available, you'll need to locate a registrar who handles the domain extension in question.
With Bitly, you can track how many clicks your shortened links receive, plus bookmark and organize your links on your own personalized Bitly dashboard. My third choice, which was once my first choice, is Bitly. If your organization has multiple people shortening links and posting them, be sure to provide access and training to everyone involved. You can use initials for one or more words or, if it works, all of them.
If you already have a domain you want to use just point it at our site and add it to your account. If you are including shortened URLs in a blog or online article, obviously you would like some reassurances that the link will continue to be valid for a long time. You can test that the certificate files were successfully processed by using one of your Hosted Pages.
With that said, if you do need to track your URLs, or you want alternative ways to post there are plenty of ways to do it: Bit.ly: Probably the most popular URL shortener for Twitter because it was one of the first to let you track your tiny URLs. Every access requires more requests (at least one more DNS lookup, though it may be cached, and one more HTTP/HTTPS request), thereby increasing latency, the time taken to access the page, and also the risk of failure, since the shortening service may become unavailable. The short URL can allow blacklisted URLs to be accessed, bypassing site blocks; this facilitates redirection of a user to blacklisted scam pages or pages containing malware or XSS attacks. It will track the links, but you will still need to use the 'Link Tracker' utility provided by smallseotools.com to examine the links and verify them.
On other such services, using a URL shortener can allow linking to web pages which would otherwise violate this constraint.
Example for event tracking using the newer API: Previous Next
You may also like:
Goo.Gl URL Shortener
URL Shortener Traffic Exchange
Google URL Shortener Api Tutorial