NoScript: https://noscript.net/ https://noscript.net/ Run in default deny mode, and the JS based ones won't appear anymore. Also, in most instances, if you do

NoScript: https://noscript.net/ https://noscript.net/ Run in default deny mode, and the JS based ones won't appear anymore. Also, in most instances, if you do get one, you can open developer tools, find the DOM node of the "popup", and delete that part of the DOM tree, and the "popup" will disappear.