What is Google Algorithm Update?

What is Google Algorithm Update?

A Google algorithm update is a change made to Google's search engine in order to improve the quality, relevance, and overall user experience of its search results.

They keep rolling out new updates, few of them are confirmed others are unconfirmed.

Google search algorithm is a complex system that allows Google to find, rank and return the most relevant pages for a certain search query. To be precise, the whole ranking system consists of multiple algorithms that consider various factors such as quality, relevance or usability of the page