This website allows webmasters to view their linking trends for eight different search engines (Google, Alexa, Yahoo!, MSN, AllTheWeb, Alta Vista, Teoma and IceRocket), as well as the Page Rank and Alexa Rank. After you have registered you be able to watch any url that Url Trends monitors via My Watch list, RSS Feeds or by email.
The Watch list allows you to see at a glance any of the information that you want to see about all of the urls in the WatchList. Whether you only want to see the Page Rank of the Urls, or everything we monitor, you can do it in a very easy way. It is a great idea to use this service because you will not need to type in urls to see their search engine rankings. It brings you plenty of useful tools such as the trend comparison tool, page rank buttons, header lookup tool, reverse keyword lookup tool and other more.
Urltrend.com In Their Own Words
“UrlTrends was developed by Joel Strellner to allow Webmasters, Search Engine Optimizers, and domain buyers to determine a websites (or a specific pages) rankings in the various search engines and directories. Based on this information you can make competitive analysis of any website with another website — and from this you could possibly determine whether your SEO tactics are positive or negative to your website; or, if you are a domain buyer, determine if a particular domain should be purchased.”
Why Urltrend.com It Might Be A Killer
Because it provides users with an excellent solution to see the search engine rankings without typing in url. It also gives to webmasters the possibility to see their link popularity stretched out over time, not just for a current day. 
