Once a person signed into an application, the personalized pages of that specific user, wouldn’t get indexed. For example, you wouldn’t want your Reader account, Facebook logged in pages, or Blog CMS pages indexed.
Making Your App SEO Friendly
A crawler would find a pretty URL (http://rookienerd.com/seofriendly#key=value) The crawler would then ask the server for the contents of this URL (in a special modified way) Web server returns content using an HTML snapshot HTML snapshot is processed by the crawler. Search results then show the original URL