@sebastienlorber A sensible question.
@Netlify exists precisely to address this kind of concern. A combination of pre-generating sites at build time, removing the notion of an origin server, and delivering everything directly from a multi-cloud, distributed ADN, bring high capacity/availability.
My tweets and posts live here on my own domain these days.
You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.