Check how two different websites ranks in SERP's for a certain keyword or longtail phrase, within the same SERP.
SERP rank battle let you perform a serverside search in either Google, Bing or Yahoo on a certain keyword or phrase, and then see the SERP rank (or position) for two different webpages within that search range. Try the example
∗SERP battle - please copy the URL's directly from your browser
Example - how to use
Test : SERP Battle on "Asia News"
between bbc.co.uk and cnn.com
at 
See which newsprovider-megastar wins the battle in SERP's, when a user is searching for the term Asia News at www.google.com. After that, try change the settings for searchengine, Phrase search or Strict evaluation.