So Google is rolling out some additional updates to its sweeping Panda update of 2011 as well as making changes to Exact Domain matching (EMD) effect on site rankings. In addition, it is expected that some additional Penguin updates are coming soon.
So, what are webmasters/site managers to do to stay above the fray and not find our sites consigned to the trash heap of sites with overdone SEO?
The consensus is that we just continue to follow the recommendations that Google suggests. There is a older blog from Google containing those recommendations . FIND IT HERE.