HTTP/1.1 is over 25 years old. And your server is probably still running it. Learn what HTTP/2 and HTTP/3 concretely do for AI crawlers, why multiplexing is a game changer, and how to enable it today.
A slow server is not just annoying for visitors, it is a dealbreaker for AI bots. TTFB above 500ms? Then you lose crawls, indexation and ultimately AI citations. This is how you fix it, from twenty years of hosting and performance experience.