In todays online based business envionment, SEO is one of those things that SME owners and managers need to get on top of. This can be challenging in itself, however the Google Panda and Penguin updates have wreaked utter havoc to the search engine rankings of many websites.
If your idea of a Panda is a gentle, bamboo eating critter then you may wish to check this HigherVisibility.com article about the top ways to tell if your website has been hit by a panda or penguin.
It summarizes the key differences between the Panda and Penguin – the nub of the variances being that Panda aims to target poor and duplicate content while Penguin attacks poor linking practices.