seo

RankBrain

Google's machine-learning ranking signal.

Definition

RankBrain is a machine-learning system Google uses to interpret queries and improve ranking. Launched in 2015, it helps Google understand never-before-seen queries.

Related terms

SEO

Search engine optimization.

SERP

Search engine results page.

Keyword

A search query target.

Long-tail keyword

Specific, low-volume search queries.

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