If you stick to clicking only the hostnames, it's no different than RequestPolicy. Otherwise there is uBlock's dynamic filtering which does essentially the same

If you stick to clicking only the hostnames, it's no different than RequestPolicy. Otherwise there is uBlock's dynamic filtering which does essentially the same thing as RequestPolicy: https://github.com/gorhill/uBlock/wiki/Dynamic-filtering:-default-deny https://github.com/gorhill/uBlock/wiki/Dynamic-filtering:-de...