Yoast SEO plugin does a good job at cleaning out garbage added at the end of urls. You know, the kind of garbage Facebook and Feedburner spit out:
The problem is not the ugly url, but the fact that sometimes it breaks twitter or ym or other service I try to send the link to. And some/most blog and site owners don’t know about this problem.
Enter UTM Remover, a small Chrome/Greasemonkey script that transforms the above url into a much cleaner one:
And if you are a blogger, and a Romanian one, do not forget about my WordPress Ro-Slugs plugin, that removes short and stop words from the url of your posts.