TLDR Tech / Marketing
How topical authority spreads (and where it doesn't) in ChatGPT
Topical authority works best when brands build deep expertise in a core area before expanding. ChatGPT cited brands in 74% of closely related categories compared to 50% of distant ones, but overall brand mentions declined from 44% to 25%. Consistent coverage within a category drove stronger visibility than spreading content across unrelated topics. Brands should expand into adjacent areas gradually, as the impact of broader coverage varies by industry.
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