I recently compared my March 2025 “What works well in LLMs” analysis with Ahrefs’ May 2025 study of 75,000 brands, and we independently arrived at the same surprising conclusion about AI search visibility.
It turns out, brand matters – a lot.
Today’s Memo is a deep dive into a concept that’s often talked about (but rarely measured well): Brand authority.
In this issue, I’m unpacking:
- What brand authority really is, and how it’s different from topical authority.
- Why brand search volume is the strongest predictor of AI chatbot…








