Taking it one step further, you can install an add-on like Tampermoney and run full user scripts (works on mobile as well) https://addons.mozilla.org/en-US/fire

Taking it one step further, you can install an add-on like Tampermoney and run full user scripts (works on mobile as well) https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/ https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/