Top 7 Google Algorithm Updates Every SEO Should Know

Google Panda Update (2011) Target low quality & duplicate content. It was a site-wide penalty.

Google Penguin Update (2012) Target over-optimization & link spam.

Google Hummingbird Update (2013) Focus on intent of a search rather than keyword matching process.

Google Pigeon Update (2014) Google integrated more organic ranking signals to its local algorithm.

Google Mobile-Friendliness Update (2015) Priority now given to mobile-friendly websites in ranking.

Google RankBrain Update (2015) Machine learning became a part of Google algorithm.

Google BERT Update (2019) It’s a deep learning algo for natural language processing. It improved google’s capability to understand the context of search queries.