For most of the last twenty years, optimizing for a search engine meant optimizing for a single thing: a ranked list of blue links. You earned the link, you kept it, you got clicks.
Generative engines do not work like that. They read the web, synthesize an answer, and cite two or three sources. Your content is either in the answer or it is not. The click comes second — sometimes it never comes at all.
That is a different evaluation loop, and it rewards different content shapes. Definitions. Comparisons. FAQs with sharp, extractable answers. Not 3,000-word meandering pieces with the answer buried in paragraph eleven.
The fundamentals that served SEO — entity clarity, topical authority, structured data — still matter. They just matter for a different consumer: a language model, not a crawler.
What changed in practice: the site architecture, the content shape, the internal linking that signals topical depth, and the monitoring tools. What did not: the need to actually be good at what you do.