I saw on a post here before some tool that could block websites during some designated time period, the plugin could also not be disable during that time period or something I heard. Anyways, could anyone point me in the right direction? Need to fully stop visiting english websites, thanks.

Maybe you are looking for
https://addons.mozilla.org/de/firefox/ad...6/?src=api

LeechBlock for firefox, StayFocusD for chrome.