Page speed is a quiet AI-visibility hygiene factor rather than a ranking lever: it won't make an assistant recommend you, but a page slow enough to time out or render incompletely can stop an AI crawler from reading your content at all. Many assistants fetch live pages under tight time budgets, and a heavy, script-blocked, slow-loading page risks being partially read or skipped — so the entity signals, FAQs and facts you carefully wrote never reach the model. The fix is the same performance hygiene that helps human visitors: fast server response, content that renders in HTML rather than requiring heavy client-side JavaScript, and a page that returns its substance quickly. Once a page loads reliably and fast enough to be fully crawled, more speed buys you nothing for AI visibility — reviews, citations and a clear entity decide the rest. Speed only matters at the threshold where slowness silently costs you the read.
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