user.js

注意

user.js 文件目录为 $FIREFOX_PROFILE 目录，与 prefs.js 文件在同一目录下。

• Windows

C:\Users\ADMIN\AppData\Mozilla\Firefox\Profiles\XXXXXXXX.your_profile_name\user.js

• Linux

~/.mozilla/firefox/XXXXXXXX.your_profile_name/user.js

• Mac

~/Library/Application Support/Firefox/Profiles/XXXXXXXX.your_profile_name/user.js

• References

https://kb.mozillazine.org/About:config_entries https://kb.mozillazine.org/Category:Preferences resource:///defaults/preferences/firefox.js resource://gre/greprefs.js

user_pref("accessibility.force_disabled", 1);
user_pref("accessibility.typeaheadfind.flashBar", 0);
user_pref("app.normandy.api_url", "");
user_pref("app.normandy.enabled", false);
user_pref("app.shield.optoutstudies.enabled", false);
user_pref("app.update.auto", false);

user_pref("beacon.enabled", false);
user_pref("breakpad.reportURL", "");
user_pref("browser.aboutConfig.showWarning", false);
user_pref("browser.bookmarks.restore_default_bookmarks", false);
user_pref("browser.cache.disk.enable", true);
user_pref("browser.contentblocking.category", "strict");
user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false);
user_pref("browser.ctrlTab.sortByRecentlyUsed", true);
user_pref("browser.discovery.enabled", false);
user_pref("browser.display.document_color_use", 1);
user_pref("browser.display.use_document_fonts", 1);
user_pref("browser.display.use_system_colors", false);
user_pref("browser.download.always_ask_before_handling_new_types", false);
user_pref("browser.download.alwaysOpenPanel", false);
user_pref("browser.download.autohideButton", false);
user_pref("browser.download.manager.addToRecentDocs", false);
user_pref("browser.download.useDownloadDir", true);
user_pref("browser.eme.ui.enabled", false);
user_pref("browser.fixup.alternate.enabled", false);
user_pref("browser.formfill.enable", false);
user_pref("browser.fullscreen.animate", false); 
user_pref("browser.helperApps.deleteTempFileOnExit", true);
user_pref("browser.link.open_newwindow", 3);
user_pref("browser.link.open_newwindow.restriction", 0);
user_pref("browser.messaging-system.whatsNewPanel.enabled", false);
user_pref("browser.newtab.preload", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons", false);
user_pref("browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features", false);
user_pref("browser.newtabpage.activity-stream.default.sites", "");
user_pref("browser.newtabpage.activity-stream.feeds.section.highlights", false);
user_pref("browser.newtabpage.activity-stream.feeds.snippets", false);
user_pref("browser.newtabpage.activity-stream.feeds.telemetry", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includeBookmarks", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includeDownloads", false);
user_pref("browser.newtabpage.activity-stream.section.highlights.includeVisited", false);
user_pref("browser.newtabpage.activity-stream.showSearch", false);
user_pref("browser.newtabpage.activity-stream.showSponsored", false);
user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false);
user_pref("browser.newtabpage.activity-stream.telemetry", false);
user_pref("browser.newtabpage.enabled", false);
user_pref("browser.newtabpage.enhanced", false);
user_pref("browser.onboarding.enabled", false);
user_pref("browser.ping-centre.telemetry", false);
user_pref("browser.places.speculativeConnect.enabled", false);
user_pref("browser.preferences.defaultPerformanceSettings.enabled", false);
user_pref("browser.preferences.moreFromMozilla", false);
user_pref("browser.privatebrowsing.forceMediaMemoryCache", true);
user_pref("browser.safebrowsing.blockedURIs.enabled", false);
user_pref("browser.safebrowsing.downloads.enabled", false);
user_pref("browser.safebrowsing.downloads.remote.enabled", false);
user_pref("browser.safebrowsing.malware.enabled", false);
user_pref("browser.safebrowsing.phishing.enabled", false);
user_pref("browser.search.openintab", true);
user_pref("browser.search.serpEventTelemetry.enabled", false);
user_pref("browser.search.suggest.enabled", false);
user_pref("browser.search.update", false);
user_pref("browser.sessionstore.max_tabs_undo", 0);
user_pref("browser.sessionstore.max_windows_undo", 0);
user_pref("browser.sessionstore.interval", 43200000);
user_pref("browser.sessionstore.interval.idle", 86400000);
user_pref("browser.sessionstore.privacy_level", 2);
user_pref("browser.shell.checkDefaultBrowser", true);
user_pref("browser.shell.shortcutFavicons", false);
user_pref("browser.startup.homepage", "https://dwx.pages.dev/");
user_pref("browser.startup.homepage_override.mstone", "ignore");
user_pref("browser.startup.page", 1);
user_pref("browser.tabs.animate", true); 
user_pref("browser.tabs.cardPreview.enabled", false);
user_pref("browser.tabs.closeTabByDblclick", true);
user_pref("browser.tabs.crashReporting.sendReport", false);
user_pref("browser.tabs.firefox-view", false);
user_pref("browser.tabs.hoverPreview.enabled", false);
user_pref("browser.tabs.hoverPreview.showThumbnails", false);
user_pref("browser.tabs.loadInBackground", false);
user_pref("browser.tabs.loadBookmarksInTabs", true);
user_pref("browser.tabs.searchclipboardfor.middleclick", false);
user_pref("browser.tabs.warnOnCloseOtherTabs", false);
user_pref("browser.toolbars.bookmarks.visibility", "never");
user_pref("browser.translations.enable", false);
user_pref("browser.translations.select.enable", false);
user_pref("browser.uiCustomization.state", "{\"placements\":{\"widget-overflow-fixed-list\":[],\"unified-extensions-area\":[\"ublock0_raymondhill_net-browser-action\"],\"nav-bar\":[\"back-button\",\"forward-button\",\"stop-reload-button\",\"home-button\",\"urlbar-container\",\"downloads-button\",\"preferences-button\",\"unified-extensions-button\"],\"TabsToolbar\":[\"tabbrowser-tabs\",\"new-tab-button\"],\"PersonalToolbar\":[]},\"seen\":[\"ublock0_raymondhill_net-browser-action\",\"developer-button\"],\"dirtyAreaCache\":[\"unified-extensions-area\",\"nav-bar\"],\"currentVersion\":19,\"newElementCount\":3}");
user_pref("browser.uitour.enabled", false);
user_pref("browser.urlbar.dnsResolveSingleWordsAfterSearch", 0);
user_pref("browser.urlbar.openintab", true);
user_pref("browser.urlbar.showSearchSuggestionsFirst", false);
user_pref("browser.urlbar.showSearchTerms.enabled", false);
user_pref("browser.urlbar.speculativeConnect.enabled", false);
user_pref("browser.urlbar.suggest.bookmark", false);
user_pref("browser.urlbar.suggest.clipboard", false);
user_pref("browser.urlbar.suggest.engines", false);
user_pref("browser.urlbar.suggest.openpage", false);
user_pref("browser.urlbar.suggest.quicksuggest.nonsponsored", false);
user_pref("browser.urlbar.suggest.quicksuggest.sponsored", false);
user_pref("browser.urlbar.suggest.recentsearches", false);
user_pref("browser.urlbar.suggest.searches", false);
user_pref("browser.urlbar.suggest.topsites", false);
user_pref("browser.urlbar.trimURLs", false);
user_pref("browser.xul.error_pages.expert_bad_cert", true);

user_pref("captivedetect.canonicalURL", "");
user_pref("content.cors.disable", false);

user_pref("datareporting.healthreport.uploadEnabled", false);
user_pref("datareporting.policy.dataSubmissionEnabled", false);
user_pref("datareporting.sessions.current.clean", true);
user_pref("device.sensors.enabled", false);
user_pref("devtools.accessibility.enabled", false);
user_pref("devtools.application.enabled", false);
user_pref("devtools.cache.disabled", true);
user_pref("devtools.chrome.enabled", true);
user_pref("devtools.debugger.breakpoints-visible", false);
user_pref("devtools.debugger.expressions-visible", true);
user_pref("devtools.debugger.pause-on-caught-exceptions", false);
user_pref("devtools.debugger.remote-enabled", true);
user_pref("devtools.debugger.skip-pausing", true);
user_pref("devtools.debugger.xhr-breakpoints-visible", true);
user_pref("devtools.everOpened", true);
user_pref("devtools.inspector.activeSidebar", "ruleview");
user_pref("devtools.inspector.three-pane-enabled", false);
user_pref("devtools.memory.enabled", false);
user_pref("devtools.netmonitor.columnsData", "[{\"name\":\"status\",\"minWidth\":30,\"width\":4.66},{\"name\":\"method\",\"minWidth\":30,\"width\":3.83},{\"name\":\"domain\",\"minWidth\":30,\"width\":14.54},{\"name\":\"file\",\"minWidth\":30,\"width\":26.67},{\"name\":\"url\",\"minWidth\":30,\"width\":43.85},{\"name\":\"initiator\",\"minWidth\":30,\"width\":17},{\"name\":\"type\",\"minWidth\":30,\"width\":8.5},{\"name\":\"transferred\",\"minWidth\":30,\"width\":17},{\"name\":\"contentSize\",\"minWidth\":30,\"width\":5.16},{\"name\":\"waterfall\",\"minWidth\":150,\"width\":0.76}]");
user_pref("devtools.netmonitor.msg.visibleColumns", "[\"data\",\"time\"]");
user_pref("devtools.netmonitor.panes-network-details-height", 50);
user_pref("devtools.netmonitor.visibleColumns", "[\"status\",\"method\",\"url\",\"initiator\",\"type\",\"transferred\",\"contentSize\",\"waterfall\"]");
user_pref("devtools.onboarding.telemetry.logged", false);
user_pref("devtools.performance.enabled", false);
user_pref("devtools.responsive.reloadNotification.enabled", false);
user_pref("devtools.responsive.touchSimulation.enabled", true);
user_pref("devtools.responsive.viewport.height", 1080);
user_pref("devtools.responsive.viewport.pixelRatio", 2);
user_pref("devtools.responsive.viewport.width", 810);
user_pref("devtools.responsive.userAgent", "Mozilla/5.0 (iPad; CPU OS 17_7_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Mobile/15E148 Safari/604.1");
user_pref("devtools.screenshot.audio.enabled", false);
user_pref("devtools.screenshot.clipboard.enabled", true);
user_pref("devtools.theme", "dark");
user_pref("devtools.webconsole.filter.debug", false);
user_pref("devtools.webconsole.filter.info", false);
user_pref("devtools.webconsole.filter.log", false);
user_pref("devtools.webconsole.filter.warn", false);
user_pref("devtools.webconsole.input.editorOnboarding", false);
user_pref("devtools.webide.autoinstallFxdtAdapters", false);
user_pref("dom.battery.enabled", false);
user_pref("dom.disable_beforeunload", true);
user_pref("dom.disable_window_move_resize", true);
user_pref("dom.enable_performance", false);
user_pref("dom.event.clipboardevents.enabled", true);
user_pref("dom.maxHardwareConcurrency", 16);
user_pref("dom.media.autoplay-policy-detection.enabled", false);
user_pref("dom.media.autoplay.autoplay-policy-api", false);
user_pref("dom.ipc.plugins.reportCrashURL", false);
user_pref("dom.private-attribution.submission.enabled", false);
user_pref("dom.security.https_only_mode", true);
user_pref("dom.security.https_only_mode_ever_enabled", true);
user_pref("dom.security.https_only_mode_send_http_background_request", false);
user_pref("dom.security.unexpected_system_load_telemetry_enabled", false);
user_pref("dom.serviceWorkers.navigationPreload.enabled", false);
user_pref("dom.streams.enabled", true);
user_pref("dom.user_activation.transient.timeout", 10000);

user_pref("experiments.enabled", false);
user_pref("extensions.autoDisableScopes", 15);
user_pref("extensions.enabledScopes", 5);
user_pref("extensions.formautofill.addresses.enabled", false);
user_pref("extensions.formautofill.creditCards.enabled", false);
user_pref("extensions.getAddons.cache.enabled", false);
user_pref("extensions.getAddons.showPane", false);
user_pref("extensions.blocklist.enabled", true);
user_pref("extensions.htmlaboutaddons.recommendations.enabled", false);
user_pref("extensions.pocket.enabled", false);
user_pref("extensions.postDownloadThirdPartyPrompt", false);
user_pref("extensions.quarantinedDomains.enabled", true);
user_pref("extensions.screenshots.disabled", true);
user_pref("extensions.screenshots.system-disabled", true);
user_pref("extensions.screenshots.upload-disabled", true);
user_pref("extensions.webcompat-reporter.enabled", false);
user_pref("extensions.webcompat.enable_shims", true);

user_pref("findbar.highlightAll", true);
user_pref("font.language.group", "zh-CN");
user_pref("font.name.monospace.zh-CN", "Liberation Mono");
user_pref("font.name.sans-serif.zh-CN", "YaoSans");
user_pref("font.name.serif.zh-CN", "YaoSans");
user_pref("font.size.monospace.zh-CN", 14);
user_pref("font.size.variable.ar", 14);
user_pref("font.size.variable.zh-CN", 14);
user_pref("font.system.whitelist", "YaoAscii,YaoSans,YaoIcon,Liberation Mono,STIXGeneral,Apple Color Emoji,Apple Symbols,Segoe UI Emoji,Segoe UI Symbol");

user_pref("general.autoScroll", false);
user_pref("general.smoothScroll", true); 
user_pref("general.warnOnAboutConfig", false);
user_pref("general.useragent.override", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36");
user_pref("geo.enabled", false);
user_pref("geo.provider.ms-windows-location", false);
user_pref("geo.provider.network.url", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
user_pref("geo.provider.use_corelocation", false);
user_pref("geo.provider.use_geoclue", false);
user_pref("geo.provider.use_gpsd", false);
user_pref("gfx.webrender.all", true);
user_pref("gfx.webrender.software", false);

user_pref("identity.fxaccounts.toolbar.pxiToolbarEnabled.monitorEnabled", false);
user_pref("identity.fxaccounts.toolbar.pxiToolbarEnabled.relayEnabled", false);
user_pref("intl.accept_languages", "zh-CN, zh");

user_pref("javascript.options.streams", true);
user_pref("javascript.use_us_english_locale", true);

user_pref("keyword.enabled", false);

user_pref("layers.acceleration.force-enabled", true);
user_pref("layers.force-active", true);
/* 1-only base system fonts, 2-also optional language packs, 3-also user-installed fonts [default] */
user_pref("layout.css.font-visibility", 3);
user_pref("layout.css.light-dark.enabled", true);
/* Dark (0), light (1), system (2) or browser (3) */
user_pref("layout.css.prefers-color-scheme.content-override", 0);
user_pref("layout.spellcheckDefault", 0);

/* https://wiki.mozilla.org/Media/block-autoplay */
/* https://developer.mozilla.org/en-US/docs/Web/Media/Autoplay_guide */
user_pref("media.allowed-to-play.enabled", false);
user_pref("media.autoplay.allow-extension-background-pages", false);
user_pref("media.autoplay.allow-muted", false);
user_pref("media.autoplay.block-event.enabled", false);
user_pref("media.autoplay.block-webaudio", true);
/* see `dom.user_activation.transient.timeout` */
user_pref("media.autoplay.blocking_policy", 1);
user_pref("media.autoplay.default", 5);
user_pref("media.block-autoplay-until-in-foreground", true);
user_pref("media.eme.enabled", false);
user_pref("media.getdisplaymedia.previews.enabled", false);
user_pref("media.geckoview.autoplay.request", false);
user_pref("media.getusermedia.screensharing.enabled", false);
user_pref("media.gmp-gmpopenh264.abi", "aarch64-gcc3");
user_pref("media.gmp-gmpopenh264.version", "1.8.1.1");
user_pref("media.gmp.storage.version.observed", 1);
user_pref("media.hardware-video-decoding.enabled", true);
user_pref("media.hardware-video-decoding.force-enabled", true);
user_pref("media.hardwaremediakeys.enabled", true);
user_pref("media.memory_cache_max_size", 65536);
user_pref("media.navigator.enabled", false);
user_pref("media.peerconnection.enabled", false);
user_pref("media.peerconnection.ice.default_address_only", true);
user_pref("media.peerconnection.ice.proxy_only_if_behind_proxy", true);
user_pref("media.video_stats.enabled", false);
user_pref("media.videocontrols.picture-in-picture.urlbar-button.enabled", false);
user_pref("media.videocontrols.picture-in-picture.video-toggle.enabled", true);
user_pref("media.videocontrols.picture-in-picture.video-toggle.min-video-secs", 30);
user_pref("middlemouse.contentLoadURL", false);

user_pref("network.allow-experiments", false);
user_pref("network.auth.subresource-http-auth-allow", 1);
user_pref("network.captive-portal-service.enabled", false);
user_pref("network.connectivity-service.enabled", false);
user_pref("network.cookie.cookieBehavior", 5);
user_pref("network.cookie.cookieBehavior.pbmode", 5);
user_pref("network.cors_preflight.allow_client_cert", false);
user_pref("network.cors_preflight.authorization_covered_by_wildcard", true);
user_pref("network.cors_preflight.block_userpass_uri", false);
user_pref("network.dns.disableIPv6", false);
user_pref("network.dns.disablePrefetch", true);
user_pref("network.dns.echconfig.enabled", true);
user_pref("network.dns.use_https_rr_as_altsvc", true);
user_pref("network.file.disable_unc_paths", true);
user_pref("network.gio.supported-protocols", "");
user_pref("network.http.referer.disallowCrossSiteRelaxingDefault", true);
user_pref("network.http.referer.trimmingPolicy", 2);
user_pref("network.http.referer.spoofSource", false);
/* https://forums.mozillazine.org/viewtopic.php?f=38&t=3061261 */
user_pref("network.http.referer.XOriginTrimmingPolicy", 0);
user_pref("network.http.referer.XOriginPolicy", 0);
user_pref("network.http.speculative-parallel-limit", 0);
user_pref("network.IDN_show_punycode", true);
user_pref("network.predictor.enabled", false);
user_pref("network.predictor.enable-prefetch", false);
user_pref("network.predictor.cleaned-up", true);
user_pref("network.prefetch-next", false);
user_pref("network.preload", false);
user_pref("network.protocol-handler.external.ms-windows-store", false);
user_pref("network.proxy.socks_remote_dns", true);
user_pref("network.trr.blocklist_cleanup_done", true);
user_pref("network.trr.confirmation_telemetry_enabled", false);
user_pref("network.trr.mode", 5);

user_pref("pdfjs.disabled", false);
user_pref("pdfjs.enabledCache.state", true);
user_pref("pdfjs.enableScripting", false);
user_pref("pdfjs.migrationVersion", 2);
user_pref("permissions.default.camera", 2);
user_pref("permissions.default.desktop-notification", 2);
user_pref("permissions.default.geo", 2);
user_pref("permissions.default.microphone", 2);
user_pref("permissions.default.xr", 2);
user_pref("permissions.delegation.enabled", false);
user_pref("permissions.manager.defaultsUrl", "");
user_pref("privacy.annotate_channels.strict_list.enabled", true);
user_pref("privacy.clearOnShutdown.cache", false);
user_pref("privacy.clearOnShutdown.cookies", false);
user_pref("privacy.clearOnShutdown.downloads", true);
user_pref("privacy.clearOnShutdown.formdata", true);
user_pref("privacy.clearOnShutdown.history", false);
user_pref("privacy.clearOnShutdown.offlineApps", false);
user_pref("privacy.clearOnShutdown.sessions", true);
user_pref("privacy.clearsitedata.cache.enabled", false);
user_pref("privacy.cpd.cache", false);
user_pref("privacy.cpd.cookies", false);
user_pref("privacy.cpd.formdata", true);
user_pref("privacy.cpd.history", false);
user_pref("privacy.cpd.offlineApps", false);
user_pref("privacy.cpd.sessions", true);
user_pref("privacy.donottrackheader.enabled", true);
user_pref("privacy.firstparty.isolate", false);
user_pref("privacy.globalprivacycontrol.enabled", true);
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage", true);
user_pref("privacy.partition.always_partition_third_party_non_cookie_storage.exempt_sessionstorage", false);
user_pref("privacy.partition.network_state.ocsp_cache", true);
user_pref("privacy.partition.serviceWorkers", true);
user_pref("privacy.query_stripping.enabled.pbmode", true);
/* RFP may break firefox chrome & web page */
user_pref("privacy.resistFingerprinting", false);
user_pref("privacy.resistFingerprinting.block_mozAddonManager", false);
user_pref("privacy.resistFingerprinting.letterboxing", false);
user_pref("privacy.sanitize.sanitizeOnShutdown", true);
user_pref("privacy.sanitize.timeSpan", 0);
user_pref("privacy.trackingprotection.enabled", true);
user_pref("privacy.trackingprotection.socialtracking.enabled", true);
user_pref("privacy.trackingprotection.introCount", 20);
user_pref("privacy.userContext.enabled", false);
user_pref("privacy.userContext.ui.enabled", false);
user_pref("privacy.window.maxInnerHeight", 900);
user_pref("privacy.window.maxInnerWidth", 1600);

user_pref("reader.parse-on-load.enabled", false);

user_pref("security.app_menu.recordEventTelemetry", false);
user_pref("security.cert_pinning.enforcement_level", 2);
user_pref("security.certerrors.recordEventTelemetry", false);
user_pref("security.dialog_enable_delay", 1000);
user_pref("security.family_safety.mode", 0);
user_pref("security.OCSP.enabled", 1);
user_pref("security.OCSP.require", true);
user_pref("security.pki.crlite_mode", 2);
user_pref("security.protectionspopup.recordEventTelemetry", false);
user_pref("security.remote_settings.crlite_filters.enabled", true);
user_pref("security.ssl.require_safe_negotiation", true);
user_pref("security.ssl.treat_unsafe_negotiation_as_broken", true);
user_pref("security.tls.enable_0rtt_data", false);
user_pref("security.tls.version.max", 4); 
user_pref("services.sync.engine.bookmarks", false);
user_pref("services.sync.engine.creditcards", false);
user_pref("services.sync.engine.history", false);
user_pref("services.sync.engine.tabs", false);
user_pref("services.sync.prefs.sync.browser.safebrowsing.malware.enabled", false);
user_pref("services.sync.prefs.sync.browser.safebrowsing.phishing.enabled", false);
user_pref("services.sync.prefs.sync.spellchecker.dictionary", false);
user_pref("signon.autofillForms", false);
user_pref("signon.firefoxRelay.feature", "disabled");
user_pref("signon.formlessCapture.enabled", false);
user_pref("signon.generation.enabled", false);
user_pref("signon.management.page.breach-alerts.enabled", false);
user_pref("signon.rememberSignons", true);
user_pref("social.directories", "");
user_pref("social.remote-install.enabled", false);
user_pref("social.toast-notifications.enabled", false);
user_pref("social.whitelist", "");

user_pref("toolkit.coverage.endpoint.base", "");
user_pref("toolkit.coverage.opt-out", true);
user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
user_pref("toolkit.telemetry.archive.enabled", false);
user_pref("toolkit.telemetry.coverage.opt-out", false);
user_pref("toolkit.telemetry.updatePing.enabled", false);
user_pref("toolkit.telemetry.bhrPing.enabled", false);
user_pref("toolkit.telemetry.enabled", false);
user_pref("toolkit.telemetry.firstShutdownPing.enabled", false);
user_pref("toolkit.telemetry.hybridContent.enabled", false);
user_pref("toolkit.telemetry.newProfilePing.enabled", false);
user_pref("toolkit.telemetry.pioneer-new-studies-available", false);
user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
user_pref("toolkit.telemetry.shutdownPingSender.enabled", false);
user_pref("toolkit.telemetry.server", "data:,");
user_pref("toolkit.telemetry.unified", false);
user_pref("toolkit.winRegisterApplicationRestart", false);

/* 0: tabs animate */
user_pref("ui.prefersReducedMotion", 0);
user_pref("ui.systemUsesDarkTheme", 1);

user_pref("webchannel.allowObject.urlWhitelist", "");
user_pref("webgl.disabled", false);
user_pref("webgl.enable-webgl2", true);
user_pref("webgl.force-enabled", true);
user_pref("widget.non-native-theme.enabled", true);
/* 0: platform default; 1: macOS; 2: GTK; 3: Android; 4: Windows 10; 5: Windows 11 */
user_pref("widget.non-native-theme.scrollbar.style", 3);
user_pref("widget.gtk.overlay-scrollbars.enabled", true);
user_pref("widget.non-native-theme.win11.scrollbar.force-overlay-style", true);