Google Search

Refining the Algorithm

2010 – Caffeine (quality not spam)

2011 – Panda (+genuine)

2012 – Venice (+location)

2012 – Penguin (+backlink quality)

2013- Hummingbird (+relevance)

2014 – Pigeon (+local SEO)

2014 – HTTPS/SSL (+encryption)

2015 – 50% of search on mobile

2015 – RankBrain (+AI synonyms)

2016 – Possum (+Brick and Mortar / Small Biz Local Boost)

2018 – Mobile Site Speed Ranking Factor

2018 – Authority & Expertise

2019 – BERT (+ML query intent)

2021 – Core Web Vitals