user_pref("browser.meta_refresh_when_inactive.disabled", true);
user_pref("browser.newtabpage.enabled", false);
user_pref("browser.urlbar.speculativeConnect.enabled", false);
user_pref("devtools.cache.disabled", true);
user_pref("devtools.debugger.enabled", false);
user_pref("devtools.fontinspector.enabled", false);
user_pref("devtools.inspector.enabled", false);
user_pref("devtools.memory.enabled", false);
user_pref("devtools.netmonitor.enabled", false);
user_pref("devtools.performance.enabled", false);
user_pref("devtools.remote.wifi.scan", false);
user_pref("devtools.remote.wifi.visible", false);
user_pref("devtools.styleeditor.enabled", false);
user_pref("devtools.tilt.enabled", false);
user_pref("devtools.toolbar.enabled", false);
user_pref("devtools.webide.enabled", false);
user_pref("dom.ipc.processCount", 1);
user_pref("dom.maxHardwareConcurrency", 1);
user_pref("image.animation_mode", "once");
user_pref("javascript.options.wasm", false);
user_pref("javascript.options.wasm_baselinejit", false);
user_pref("layers.amd-switchable-gfx.enabled", false);
user_pref("media.autoplay.enabled", false);
user_pref("media.eme.enabled", false);
user_pref("media.gmp-manager.cert.checkAttributes", false);
user_pref("media.gmp-manager.cert.requireBuiltIn", false);
user_pref("media.gmp.trial-create.enabled", false);