Pandas, Penguins, Pigeons, Oh My! Many of you might know that these are not just animals which start with the letter ‘P’, but represent important code changes and updates to Google’s Search Engine Algorithm. Google rolls out algorithm updates once or twice every month (and that’s just the ones we know about!), but not all of them equally impact the Search Engine Position Ranking (SERPs) although you can Google and find plenty of horroe stories about websites being literally “dropped” from search. To help you make sense of Google’s major algo changes in the past years, here is a cheat sheet with the most important updates and penalties, how-tos on checking if you were hit by any given one, recovery advice, and prevention tips: Google Updates Cheat Sheet