Also, pay attention to these settings in about:config page: accessibility.blockautorefresh noscript.forbidBGRefresh noscript.forbidMetaRefresh Additionally,

Also, pay attention to these settings in about:config page: accessibility.blockautorefresh noscript.forbidBGRefresh noscript.forbidMetaRefresh Additionally, you can cherry-pick options (or just use it all) from this repository at https://github.com/pyllyukko/user.js https://github.com/pyllyukko/user.js for more privacy.