StumbleUpon recently launched its new URL shortening service, Su.pr which is currently in Beta and can be accessed by invite code only. With Su.pr you can post interesting content to Facebook and Twitter. Another interesting and useful feature is its integration with StumbleUpon where you can track the traffic to the links posted. Su.pr provide you with tools to identify the best times to post, schedule future posts and see real-time results on clicks, tweets and traffic associated with your posts.
When posting any URL to Su.pr, you can various options like URL shortening alone, post to Twitter or Facebook. You also get the option to schedule a URL for a later time. If you need to post to Twitter or Facebook, you need to authenticate your account.
URLs can be scheduled for a maximum of seven days with a 15 min interval. Once you have submitted the URLs, you can see the number of Retweet (in case submitted to Twitter) and also in the number of click and reviews from StumbleUpon. It also tracks the traffic from SU.
There is an option to view detailed stats for this URL which shows the people who have Retweeted this URL from Twitter, Top Traffic Sources, people who liked the URL in SU. There is also a graphical view of clicks and SU traffic.
If you want to have a better analysis of the traffic, you can also download the report in CSV format. Su.pr also provides a browser bookmarklet to shorten URLs from any webpage. You can also promote your websites on Su.pr by adding your blog URLs in settings page.
Overall Su.pr is a great URL shortening service tightly connected to StumbleUpon. Currently it is under beta phase and can be accessed by invite code only. You can follow StumbleUpon on Twitter to get invite codes.
