Top-level domains of countries such as Libya (.ly), Samoa (.ws), Mongolia (.mn), Malaysia (.my) and Liechtenstein (.li) have been used as well as many others. For example, let’s say that you have a page on your blog where you sell an ebook.
OneLink™ Custom tracking links are app specific, which always direct clicking users to the page of the app that is specified on the tracking link. But when creating links in html you can't get away with dropping the protocol. After you have an API key, your application can append the query parameter key=yourAPIKey to all request URLs.
Creative-level trackers are the lowest level of segmentation and do not accept any incoming structure data from the URL. Another operational limitation of URL shortening services is that browsers do not resend POST bodies when a redirect is encountered. With TinyURL, you can also make a smaller URL that will work for any page on your site. See if you are using Classic Analytics (ga.js) or Universal Analytics (analytics.js).