TTFB. Four letters that make the difference between being cited by AI or being forgotten. After twenty years of obsessively optimizing servers I explain why those first hundred milliseconds determine everything.
You can have the most beautiful schema.org markup and a flawless llms.txt. But if your server needs two seconds to wake up, you are already old news to AI crawlers. Performance is not a nice-to-have. It is the absolute foundation.