On mobile: https://play.google.com/store/apps/details?id=org.mozilla.fenix&hl=en_US https://play.google.com/store/apps/details?id=org.mozilla.fe... + enable the

On mobile: https://play.google.com/store/apps/details?id=org.mozilla.fenix&hl=en_US https://play.google.com/store/apps/details?id=org.mozilla.fe... + enable the extention "uBlock Origin" in the settings (not sure the exact steps while writing this, sorry) On desktop: regular Firefox + https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/ https://addons.mozilla.org/en-US/firefox/addon/ublock-origin... In uBlock Origin, there is a setting that disables Javascript by default (which I use). You can then enable it temporarily or permanently on a per-site basis.