I only rarely browse without some form of content blocking (usually privacy-focused... that takes care of enough ads for me, most of the time). I keep a browser profile that's got no customizations at all, though, for verifying that bugs I see/want to report are not related to one of my extensions.

Every once in a while, I'll accidentally open a link to a news site (or to an archive of such a site) in that vanilla profile. I'm shocked at how many ads you see if you don't take some counter measures.

I just confirmed in that profile: archive.is definitely puts ads around the sites they've archived.

And arguably I used to think it was the Internet Archive.

It does make this case seem problematic now that I know the details.