If you've been following along with the most recent changes to the Google algorithm updates, one of the key changes that has been made is the emphasis on higher quality content.
No longer are you able to throw up keyword stuffed content and expect to rank well. Instead, you must start focusing on making your content both readable as well as shareable. If the visitors to your site aren't gaining from your article, you're now likely to find that specific page sinking in the rankings.