Why does one Turkish question bring up different brands on ChatGPT, Gemini, Perplexity, Claude and Google? How engines see the web, what they read, retesting.
Writing rules for quotable content: give the answer in the first sentence, paragraphs that stand alone, sourced figures, an FAQ and server-rendered HTML.
Seven measurable reasons ChatGPT does not mention a brand: question set, crawler access, JavaScript, off-site sources, namesakes, and being read but not named.