Jul
    12
    2020

    History of Google Algorithm Updates

    What are Google Algorithms?

    Google’s algorithms are a complex system used to retrieve data from its search index and instantly deliver the best possible results for a query. The search engine uses a combination of algorithms and numerous ranking signals to deliver webpages ranked by relevance on its search engine results pages (SERPs).

    In its early years, Google only made a handful of updates to its algorithms. Now, Google makes thousands of changes every year.

    Most of these updates are so slight that they go completely unnoticed. However, on occasion, the search engine rolls out major algorithmic updates that significantly impact the SERPs such as:

    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 professionals who want to understand each of these changes.

    Source: https://www.searchenginejournal.com/google-algorithm-history/

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