safari pop-up

Hello everyone, Since updating to 13.3.1 (a few days ago), on some websites (including this one) I get a download pop-up that asks me if I want to download “index.html”. I switched from Safari to Chrome and noticed the same thing happens. The pop-up occurs so frequently, on both my IPhone XR...

I don't know if this is categorized as a virus, but here is the info: My mother-in-law tried to go to Amazon, but accidentally misspelled it (not sure in what way). A call to action pop-up (like a push notification) came up that was larger than the whole screen vertically. This prevented the...