Back in the good old days, I use to simply use the chatter in the SEO discussion forums to communicate with you all if I feel there was a major or minor Google Algorithm update. Now we have dozens of tools from companies like Moz, SEMRush, RankRanger, Algoroo, Advanced Web Rankings, Accuranker, SERP Metrics and more that track the search results daily and see if there are any shifts in the results
