2. The method of claim 1 , wherein identifying the landing page URL comprises: determining a cluster of mobile web page URLs from among the plurality of mobile web page URLs, wherein the cluster is determined at least in part based on a parameter that exists in each web pager URL in the cluster; selecting a cluster URL from among the cluster of mobile web pager URLs, wherein the cluster URL represents the cluster; determining a token from the cluster URL, wherein the token is determined at least in part based on a frequency with which the token appears in the cluster of mobile web page URLs; and determining whether the cluster URL satisfies at least one landing page criterion.
3. The method of claim 2 , wherein the cluster URL is selected at least in part based on at least one of the following: a number of mobile web page URLs that have a lower position in a hierarchical tree of URLs relative to the cluster URL; and a frequency with which the cluster URL is identified in mobile web pages corresponding to the plurality of mobile web page URLs.