History of Google Algorithm Updates

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.

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 factors 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 comprehensive list of Google algorithm updates sorted by their release dates.

Choose a Year

All 2024 Updates

May 6, 2024

Site Reputation Abuse

Google’s SearchLiaison confirmed that Google’s site reputation abuse update started on Monday May 6th with manual actions to be followed as some point in the future with algorithmic ones.

Read:

Google: Site Reputation Abuse Manual Actions ⇾

March 5, 2024