Even after Google’s December 2025 Core Update rollout, rankings remain unstable. Here’s why search is shifting toward continuous trust and interpretation-based re-weighting.
For years, Google Core Updates felt like clear events: rollout, turbulence, stabilization.
But after the December 2025 Core Update, many SEOs are noticing something different.
The instability didn’t end — it simply changed shape.
Even weeks later, tools like Semrush Sensor continue to show elevated volatility, while site owners report unusual patterns:
-
long-tail reshuffling on untouched pages
-
keywords visible in Search Console but missing in live SERPs
-
partial recoveries followed by new drops
-
oscillations without a clear “update moment”
This increasingly suggests that modern search is moving beyond simple keyword-to-page matching.
Instead, Google may be ranking its confidence in an interpretation:
What does this page mean?
Which entity does it belong to?
Is it consistent, trustworthy, and safe to surface or cite?
In an AI-shaped search environment, ranking becomes less about URLs and more about trust-weighted meaning.
The December 2025 update may not be remembered for a single shake-up…
…but for accelerating the shift from ranking pages to ranking interpretations.
Credit: This piece builds on an insight highlighted by SEO strategist Stefano Galloni, who has observed how Google is increasingly ranking interpretations rather than pages.