Algorithm & Updates
Core Update
Major algorithm updates affecting broad ranking systems.
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What is Core Update
Core updates are significant changes to Google's main ranking algorithm, typically announced and named by release date (e.g., 'March 2025 Core Update'). They can cause large ranking fluctuations and usually complete over 2 weeks.
Example
A core update might promote sites with strong E-E-A-T while demoting those with thin content or poor user experience.
How to apply it
Focus on overall site quality, E-E-A-T signals, content depth, and user satisfaction. There's no 'fix' for core updates - improve broadly.
Tip:Core update recovery can take until the next core update. Use the time between to make substantial quality improvements.
Track it in GSC Boost
GSC Boost reads your Search Console data and tells you what to fix first, with the clicks each fix is likely to bring. Start with the guide or sign up free.
Related terms
Algorithm UpdateChanges Google makes to its ranking systems.E-E-A-TExperience, Expertise, Authoritativeness, Trustworthiness - Google's content quality guidelines.Ranking VolatilityThe degree of fluctuation in search rankings over time.
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