From Penguin to Panda – 24 Panda updates to be exact – Google is upping their ranking standards.
It’s not about links and meta tags so much as it is about content diversity, accessibility and freshness of content. When it comes down to it, Google is all about user experience and wants to make sure that every search result they display to be just that. Google’s search algorithm isn’t just favoring websites that have the most off page content and links, they are looking for the most useful, unique and relevant.
Here is a great article about how to best optimize – better yet – diversify your content: