Google Algorithm Updates

Google has a rich history of notable algorithm updates, search index changes, and refreshes. Below is a timeline of major Google search algorithm updates.

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To read our most recent coverage on algorithm updates and changes, check out our latest news and guides.

Frequency of Updates

Google search is in a constant state of evolution. In 2022 alone, Google implemented 4,725 changes to its search system. These modifications included updates to ranking systems, user interface tweaks, and more. On average, this amounts to about 13 changes per day.

Experiments and Tests

However, if you’re part of Google’s experiments, you might experience even more frequent changes. In 2022, Google reported conducting:

- 13,280 live traffic experiments
- 894,660 search quality tests
- 148,038 side-by-side experiments
        

While many of these changes are minor, algorithm updates often have significant and noticeable impacts. They can lead to substantial gains or losses in rankings, traffic, and revenue.