HTTP Switchboard (free and open-source software) let you easily white- or blacklist net requests which originate from within a web page according to a point-and-click matrix:- domain names * from very specific * to very genericand/or- type of requests * cookies * images * objects * scripts * XMR (requests made by scripts) * frames * othersThe goal of this extension is to make allowing or blocking of web sites, wholly or partly, as straightforward as possible, so as to not discourage those users who give up easily on good security and privacy habits.