What is AEO (Answer Engine Optimisation) and Why Should Developers Care? (opens in new tab)

I asked ChatGPT "What's the best accessibility testing tool?" last week. It cited three products. Mine wasn't one of them. My site ranks on page 1 of Google for that exact query. That's the problem. Google rankings don't guarantee AI citations. ChatGPT, Perplexity, and Google AI Overviews decide what to cite using different signals than traditional search. This shift has created a new discipline: Answer Engine Optimisation (AEO). AEO is the practice of structuring web content so that AI-power...