Verified, as I had the same idea earlier and have started a userstyle to alert myself when a link points to one of these anti-Adblock sites. To anyone who wish

Verified, as I had the same idea earlier and have started a userstyle to alert myself when a link points to one of these anti-Adblock sites. To anyone who wishes to do this, you can add more sites by listing them, comma-separated, except for the last entry, like so: a[href^="siteone.com"]::after, a[href^="sitetwo.com"]::after, a[href^="sitethree.com"]::after { content: "[generic warning because multiple sites]" }