What is Google RankBrain

Rank brain is an artificial intelligence (AL) program used to help process Google searches queries.

Rak brain users artificial intelligent you embed vast amount of written language into mathematical entities, called vector, that the computer can understand.

If Rank Brain sees to a used or phase it isn't familiar with , me machine can make a guess as to what word or phrase might have a similar meaning and filter the result according, making it more effective at handling never before seen searches queries.

Google told search Engine lend that Rank brain favoured different result in Australia versus the unted states for that query because the measurements in each country are different, despite the similar names.
And Its effective Google search engineers were asked to took at some pages and guess which ones they through Google Search Engine technology would Rank at the Top of Search result.

While Google

Search Engineers gussed correctly 60% at the time, Rank brain had an 80% success rate.
Over all Rank brain is capable of learning and recognize new pattern and revising SERPs
(Search Engine Result Pase) based on its new knowledge.

How important is Rank Brain?
When did Rank Brain started Google told these there was a Gradual rollout of Rank Brain in early 2016 @ that it's been fully live and global for a few month now...