In the world of SEO, change is a constant. In fact, Google changes its search algorithm around 500-600 times each year; but most are small and not picked up by users or even SEO experts! Every once in a while though – usually following some major event like Facebook going public to make sure they’re keeping their algorithm fresh for everyone’s use (though you don’t have to be on social media) – there will come an update that can really shake things up.
Many people believe these “big” updates happen every few months because it seems as if all at once one day we’ll wake up and see our site has fallen down in rankings dramatically overnight without any warning whatsoever from Google itself as to why this happened or how long