user_pref("apz.peek_messages.enabled", false);
user_pref("browser.tabs.remote.autostart", false);
user_pref("browser.tabs.remote.force-enable", false);
user_pref("dom.workers.maxPerDomain", 20);
user_pref("gfx.ycbcr.accurate-conversion", true);
user_pref("layers.async-pan-zoom.enabled", false);
user_pref("layers.child-process-shutdown", false);
user_pref("media.av1.enabled", false);
user_pref("network.cookie.move.interval_sec", 0);
user_pref("print.print_via_parent", false);
user_pref("print.use_simplify_page", true);