Su.pr a URL shortening service by StumbleUpon, which was previously invite based only is now open to public for free signup.
Su.pr is the only URL shortener that also helps your content get discovered. Every Su.pr URL exposes your content to StumbleUpon’s nearly 8 million users!
It allows you to post to Twitter & Facebook in one-click and schedule as many posts as you like. You can Track the performance of your posts in real-time, by tracking your traffic, clicks, referrers, Stumbles, and retweets at one place. The feature of Optional custom short-urls helps to preserve your search ranking.
You can also get short URLs on your very own domain (i.e. .
WordPress Plugin and Browser Bookmarklet (Drag this to your browser’s bookmark bar to shorten URLs from any webpage) for Su.pr.
You can either free signup for Su.pr or use your current StumbleUpon account, if you have.
via [Techie Buzz]
I feel they are bit too late in entering the SHORT-URL space, but the service is good so far.
Tiny URL has been doing this for ages but I guess with the ever increasing popularity of texting and subsequently Twitter services such as this will see an increase in traffic.