> Yesterday was a Saturday so I couldn't access a crapton of websites from any of 3 different ISPs

Wait, is that why yesterday internet was so janky? Encountered multiple websites that seemed offline when visited from my home (Spain) Vodafone connection, but all my remote servers could still access them. In my decade+ of living here, never heard of them doing a "Ah today it's Saturday, lets block Cloudflare" thing until this very moment. Have any resources (Spanish or English) where I can read more about this? Fucking ridiculous if this is true.