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The December 2025 Core Update was announced on the 11th December 2025 with a roll-out planned for three weeks. This is the third core update of 2025. Helpful statistics and analysis will be provided below including tips and lists of affected domains across various countries.

Google AI Mode replaces ten blue links with a singular summarised response. The new currency of this system is citations – clickable sources that are at the core of the AI’s response. What do the top 100 most-cited websites tell us about how to achieve that success?

The discussion surrounding AI search usually revolves LLMs and their answer quality and platform technology. Google has impressively demonstrated its leadership in both of these areas with Gemini 3, the model now ranked number 1 on the LMArena Leaderboards . One crucial factor is often overlooked: the quality of the back-ends . No matter how powerful […]

The year is drawing to a close and Christmas is just around the corner. It’s a time to look back on a very turbulent and exciting time, and to do good together. Help us reach our fundraising goal again this year! In keeping with good SISTRIX tradition, it’s time again […]

One of the main arguments against Google establishing AI Mode as the standard search interface is the lack of monetisation surface in the results page. Google has been working on this and we are now seeing the first ads appearing in AI Mode. We continue to monitor this. The integration […]