1. Panda

The Panda algorithm update assigns a so-called “quality score” to web pages. This score is then used as a ranking factor.
 

Google Penguin’s objective is to down-rank sites whose backlinks look unnatural. This update ended low-effort link building.

The Hummingbird algorithm helps Google better interpret search queries and provide results that match the searcher's intent.

This, along with subsequent mobile search updates in 2018 and 2020, has shifted the focus of your website from desktop to mobile.
 

The Google Medic update disproportionately affects medical websites and other websites related to potentially life-altering decisions.
 

This Google algorithm update utilises natural language processing technology to understand search queries better, interpret text, and identify entities and their relationships

Google core updates are improvements on previous Google updates or bundles of smaller updates.
 

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