There exists a less blunt proposal to add resource limits to web pages: https://www.igvita.com/2016/03/01/control-groups-cgroups-for-the-web/ https://www.igvit

There exists a less blunt proposal to add resource limits to web pages: https://www.igvita.com/2016/03/01/control-groups-cgroups-for-the-web/ https://www.igvita.com/2016/03/01/control-groups-cgroups-for... It's aimed at limiting resource usage of 3rd parties (ads), and pages voluntary limiting their usage, but presumably browser extensions could add the limits too.