Most of these updates are so slight that they go completely unnoticed. However, on occasion, the search engine rolls out major algorithmic changes that significantly impact the SERPs such as:
- Google RankBrain
- Google Panda
- Google Penguin
- Google Hummingbird
Below we have compiled a full list of Google algorithm launches, updates, and refreshes that have rolled out over the years, as well as links to resources for SEO experts who want to understand each of these changes.
December 12, 2017
Some in the search community reported their websites being hit by update between December 12 and 14. Google confirmed several minor changes to the core algorithm during the timeframe, but downplayed the significance of the period of flux.