Infinite Scrolling - How to Make Infinite Scrolling SEO Friendly.
Infinite scrolling is a technique which is gaining in popularity. Seen in news and social sites, such as Mashable, Facebook, Twitter and Pinterest, site users are able to continue accessing content through scrolling down the page and without having to click.
If the content is not requested, it simply does not exist in the code of the page, which may mean that search engines will not see all of the content available.
How to Test if Your Content is Being Seen by Search Engines
The easiest way to assess whether your content is being crawled by search engines it to navigate to Google and type cache:http://www.yoursiteaddress.com making sure to click on “text only version”. If you are using this technology it usually safe to assume the Search Engines will not be able to index all of the content, however it is still worth checking to make sure.
Progressive Enhancement/Graceful Degradation
That pretty much concludes this post, if you would like any more help or have any questions, please do not hesitate to leave a message in the comments.