SEO basics

Core update

Also known as: broad core update

A broad update to a search engine's core ranking systems that may change how many pages are assessed.

A practical example

A group of guides changes visibility after a Google update.

What should I know?

A decline after an update is not automatically a manual penalty.

SEO basics in practice

First define the customer's need and the page's purpose. Then check whether the website is accessible, understandable, and useful. Assess results within a defined scope rather than treating one ranking as a picture of the whole business.

Related Semly features

See where this concept applies when working with Semly.

AI Agent LeonWork with Leon on recommendations, action plans, and brand content.Google Search ConsoleConnect search data to Semly. Analyze queries and page performance when planning next steps.

Related terms

Search algorithmMethods and systems used to understand queries, assess information, and select results.Manual actionA restriction applied after a search team manually reviews a policy violation.SEO auditA review of website technical elements, content, links, and visibility, resulting in recommended changes.

Documentation and further reading

Definition prepared by Semly. Standards and behavior are described by their creators:

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