Core Web Vitals are a real ranking factor, but a small one — they break ties more than they create them. The bigger penalty is for failing them spectacularly. A site at LCP 4.5s on mobile loses meaningful ranking ground; a site at 2.7s vs 2.3s sees no measurable difference.
AI engines weigh speed more aggressively for retrieval. ChatGPT and Perplexity time out faster on slow pages, which means slow pages get cited less even when the content is excellent.
Yes, via Core Web Vitals. The effect is small but real — bigger as a tiebreaker than a primary signal.
Under 2.5s LCP on mobile. Under 1.8s is excellent and gets you a meaningful conversion lift in addition to SEO benefit.
Almost always third-party scripts (analytics, ads, chat widgets) and unoptimized images. Audit both.
No. Google deprioritized AMP starting in 2021 and effectively killed it for organic search. Build a fast, modern site instead.