Content & Strategy Wiki Entry

Core Algorithm Update

A major Google algorithm change affecting how rankings are calculated broadly.

Core updates roll out several times per year and reassess overall content quality, expertise and authority signals across the index. Core updates can produce significant traffic shifts on the same day. Recovery typically requires structural quality improvements rather than tactical fixes, often validated only after a future core update reassesses the site.

Related Entries

Search Algorithm

The complex set of rules and machine learning systems that rank web pages.

Helpful Content System

Google's ranking system targeting content created primarily for people, not search engines.

SERP Volatility

The degree of fluctuation in search results, often signalling algorithm activity.

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