Kunz: Google AIO increased number of Sources due to Gemini 3

Key Takeaways:

• SERanking analyzed Google AI Overviews for 100.000 keywords in the US and found that with Gemini 3 more sources get cited:

  • Average number of sources increased by +31,8% from 11,55 to 15,22 sources, smallest increase in the Insurance sector with +6,1%

  • Number of unique domains cited increased by +9.3% from 89.262 to 97.574

  • However, lots of movements for cited domains: 37.870 domains that were previously cited are no longer cited at all while 46.182 entirely new domains appeared in the citation pool

  • In January a bug caused AIOs to not contain any sources at all, but has already been fixed

  • Still, in February with Gemini 3 sourceless AIOs are 10x higher at 1,27% then 0,11% in December

  • Google AIO are quite constantly shown for 60% of queries

• SE Ranking concludes: Gemini 3 is

  • pulling from more sources

  • citing more domains overall

  • concentrating authority among top platforms

  • reshuffling smaller sites aggressively

  • and expanding coverage across competitive queries

Sources:

• https://www.linkedin.com/posts/christian-kunz-6a29607_in-den-google-ai-overviews-erscheinen-seit-activity-7435388215898861570-bTS6/

• https://seranking.com/blog/gemini-3-impact-on-ai-overviews/