Layers of SEO (AI Search, AEO, GEO, AIO, SAO & SXO): The Future of Search in 2026

SEO. AEO. GEO. AIO. SAO. SXO. The search algorithm has changed a lot. But most marketers are still optimising as if it were 2020. Ranking #1 on Google is still valuable. However, it's no longer the en