What we can learn from past and present Google algorithm updates

Google’s updates typically begin as a narrow attempt to solve an individual problem, then broaden and gain names before being absorbed into the core ranking algorithms. Let’s examine the common threads between Google’s past and present updates to understand the actions and content that Google values. Just as the era of information retrieval (IR) came before SEO, SEO will evolve into something else. Google Helpful Content vs. PandaHere, we can draw a very obvious comparison. However, we can gain a more realistic interpretation by comparing the rhetoric around past and present Google updates.