/**************************************************************************** * * * DISCLAIMER * * * * This file is NOT INTENDED FOR OFFICIAL USE * * It is a mix of PERSONAL and TESTING prefs and * * may cause breakage or contain changes you do not want! * * DO NOT USE unless you know what you are doing! * * * ****************************************************************************/ /**************************************************************************** * START: MY OVERRIDES * ****************************************************************************/ /** Enter your personal prefs below this line ***/ /** SETUP ON FIRST INSTALLATION ***/ // Select one: user_pref("network.trr.uri", "https://dns.nextdns.io/******/Firefox"); // DoH - NextDNS user_pref("https://dns.controld.com/**********/firefox"); // DoH - ControlD /** FASTFOX ***/ user_pref("browser.sessionstore.restore_pinned_tabs_on_demand", true); user_pref("browser.sessionstore.interval", 30000); // set minimum interval between session save operations user_pref("gfx.webrender.compositor.force-enabled", true); // enforce user_pref("layers.gpu-process.force-enabled", true); // enforce user_pref("media.hardware-video-decoding.force-enabled", true); // enforce user_pref("network.http.http3.enable", true); // disable QUIC for faster upload speeds RESET PREF user_pref("media.av1.enabled", false); // disable AV1 to force video hardware decoding user_pref("network.http.max-connections", 1800); // default=900 user_pref("network.http.max-persistent-connections-per-server", 9); // default=6; download connections; anything above 10 is excessive user_pref("network.http.pacing.requests.min-parallelism", 18); // default=6 user_pref("network.dnsCacheEntries", 20000); // maximum # of DNS entries user_pref("network.dnsCacheExpiration", 86400); // keep DNS entries for 24 hours user_pref("network.dnsCacheExpirationGracePeriod", 240); // 4 minutes user_pref("network.http.speculative-parallel-limit", 18); // default=6 //user_pref("network.dns.disablePrefetch", false); //user_pref("network.dns.disablePrefetchFromHTTPS", false); //user_pref("network.prefetch-next", true); user_pref("network.predictor.enabled", true); user_pref("network.predictor.enable-prefetch", true); user_pref("network.predictor.enable-hover-on-ssl", true); user_pref("network.predictor.preresolve-min-confidence", 10); user_pref("network.predictor.preconnect-min-confidence", 20); user_pref("network.predictor.prefetch-min-confidence", 40); user_pref("network.predictor.prefetch-force-valid-for", 3600); user_pref("network.predictor.prefetch-rolling-load-count", 120); user_pref("network.predictor.max-resources-per-entry", 250); user_pref("network.predictor.max-uri-length", 1000); /** SECUREFOX ***/ user_pref("browser.urlbar.showSearchSuggestionsFirst", false); // unselect "Show search suggestions ahead of browsing history in address bar results" for clean UI user_pref("browser.urlbar.groupLabels.enabled", false); // hide Firefox Suggest label in URL dropdown box user_pref("signon.management.page.breach-alerts.enabled", false); // extra hardening user_pref("signon.generation.enabled", false); // unselect "Suggest and generate strong passwords" for clean UI user_pref("privacy.sanitize.sanitizeOnShutdown", true); // clear browsing data on shutdown user_pref("privacy.clearOnShutdown.offlineApps", true); // Site Data user_pref("browser.safebrowsing.downloads.enabled", false); // allow SB to scan your downloads to identify suspicious files; local checks only user_pref("browser.safebrowsing.downloads.remote.url", ""); // enforce no remote checks for downloads by SB user_pref("browser.safebrowsing.downloads.remote.block_potentially_unwanted", false); // clean up UI; not needed in user.js if remote downloads are disabled user_pref("browser.safebrowsing.downloads.remote.block_uncommon", false); // clean up UI; not needed in user.js if remote downloads are disabled user_pref("browser.safebrowsing.allowOverride", false); // do not allow user to override SB user_pref("dom.push.enabled", false); // disable Push API; breaks FF Sync user_pref("browser.search.update", false); // do not update opensearch engines user_pref("network.trr.mode", 3); // enable TRR (without System fallback) user_pref("network.trr.confirmationNS", "skip"); // skip TRR confirmation request user_pref("network.notify.checkForProxies", false); // skip proxy request check // HTTPS-First instead of HTTPS-only user_pref("dom.security.https_only_mode", false); // disable in user.js user_pref("dom.security.https_first", true); // HTTPS-First instead of HTTPS-only /** PESKYFOX ***/ user_pref("devtools.accessibility.enabled", false); // removes annoying "Inspect Accessibility Properties" on right-click user_pref("browser.newtabpage.activity-stream.showSponsoredTopSites", false); // Settings>Home>Firefox Home Content>Recent Activity>Shortcuts>Sponsored shortcuts user_pref("browser.newtabpage.activity-stream.showSponsored", false); // Settings>Home>Firefox Home Content>Recent Activity>Recommended by Pocket>Sponsored Stories user_pref("browser.newtabpage.activity-stream.section.highlights.includeBookmarks", false); // Settings>Home>Firefox Home Content>Recent Activity>Bookmarks user_pref("browser.newtabpage.activity-stream.section.highlights.includeDownloads", false); // Settings>Home>Firefox Home Content>Recent Activity>Most Recent Download user_pref("browser.newtabpage.activity-stream.section.highlights.includeVisited", false); // Settings>Home>Firefox Home Content>Recent Activity>Visited Pages user_pref("browser.newtabpage.activity-stream.section.highlights.includePocket", false); // Settings>Home>Firefox Home Content>Recent Activity>Pages Saved to Pocket user_pref("browser.download.folderList", 0); // 0=desktop, 1=downloads, 2=last used user_pref("browser.toolbars.bookmarks.visibility", "never"); // always hide bookmark bar user_pref("browser.startup.homepage_override.mstone", "ignore"); // What's New page after updates; master switch user_pref("browser.urlbar.suggest.bookmark", false); // hide URL bar dropdown suggestions user_pref("browser.urlbar.suggest.history", false); // hide URL bar dropdown suggestions user_pref("browser.urlbar.suggest.openpage", false); // hide URL bar dropdown suggestions //user_pref("browser.urlbar.suggest.searches", false); // hide URL bar dropdown suggestions (needed?) //user_pref("browser.urlbar.maxRichResults", 1); // minimum suggestion needed for URL bar autofill user_pref("browser.bookmarks.max_backups", 0); // minimize disk use; manually back-up user_pref("view_source.wrap_long_lines", true); // wrap source lines user_pref("devtools.debugger.ui.editor-wrapping", true); // wrap lines in devtools user_pref("browser.zoom.full", false); // text-only zoom, not all elements on page user_pref("pdfjs.sidebarViewOnLoad", 2); // [HIDDEN] force showing of Table of Contents in sidebar for PDFs (if available) user_pref("ui.key.menuAccessKey", 0); // remove underlined characters from various settings user_pref("general.autoScroll", false); // disable unintentional behavior for middle click user_pref("ui.SpellCheckerUnderlineStyle", 1); // dots for spell check errors user_pref("browser.tabs.loadInBackground", false); // CTRL+SHIFT+CLICK for background tabs; Settings>General>Tabs>"When you open a link, image or media in a new tab, switch to it immediately" user_pref("media.videocontrols.picture-in-picture.improved-video-controls.enabled", true); // PiP user_pref("media.videocontrols.picture-in-picture.display-text-tracks.size", "small"); // PiP user_pref("image.jxl.enabled", true); // JPEG XL user_pref("extensions.unifiedExtensions.enabled", false); // disable MV3 unified extensions button [FF 109+] user_pref("reader.parse-on-load.enabled", false); // disable reader mode //user_pref("reader.color_scheme", "auto"); // match system theme for when reader is enabled //user_pref("browser.urlbar.openintab", true); // stay on current site and open new tab when typing in URL bar /** DELETE IF NOT NIGHTLY ***/ //user_pref("layout.css.scroll-driven-animations.enabled", true); // CSS scroll-linked animations //user_pref("dom.security.sanitizer.enabled", true); // HTML Sanitizer API //user_pref("privacy.clearsitedata.cache.enabled", true); // Clear-Site-Data: "cache" header //user_pref("dom.indexedDB.preprocessing", true); // indexedDB Preprocessing user_pref("javascript.options.experimental.shadow_realms", true); // Shadowrealms user_pref("javascript.options.wasm_gc", true); // Wasm GC user_pref("javascript.options.wasm_function_references", true); // Wasm Function references user_pref("javascript.options.experimental.import_assertions", true); // import assertions user_pref("javascript.options.experimental.array_grouping", true); // Array.fromAsync JS API user_pref("cookiebanners.service.mode", 2); // block cookie banners natively user_pref("cookiebanners.service.mode.privateBrowsing", 2); // block cookie banners natively user_pref("privacy.globalprivacycontrol.enabled", true); // enable GPC user_pref("privacy.globalprivacycontrol.functionality.enabled", true); // enable GPC user_pref("privacy.userContext.enabled", false); // disable Containers user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // true by default on NIGHTLY user_pref("network.dns.echconfig.enabled", false); // true by default on NIGHTLY //user_pref("browser.urlbar.suggest.quickactions", false); // Quick Actions in URL bar //user_pref("xpinstall.signatures.required", false); // [ESR/DEV/NIGHTLY] /** DELETE IF NOT WINDOWS ***/ user_pref("pdfjs.defaultZoomValue", "125"); // DESKTOP; alt=page-width; PDF zoom level user_pref("dom.ipc.processCount", 12); // Shared Web Content; 12-core CPU user_pref("dom.ipc.processCount.webIsolated", 12); // per-site; Isolated Web Content; 12-core CPU user_pref("gfx.webrender.quality.force-subpixel-aa-where-possible", true); // font improvement user_pref("gfx.font_rendering.cleartype_params.rendering_mode", 5); user_pref("gfx.font_rendering.cleartype_params.cleartype_level", 100); user_pref("gfx.font_rendering.cleartype_params.force_gdi_classic_for_families", ""); user_pref("gfx.font_rendering.cleartype_params.force_gdi_classic_max_size", 6); user_pref("gfx.font_rendering.directwrite.use_gdi_table_loading", false); user_pref("image.mem.decode_bytes_at_a_time", 262144); // alt=512000 user_pref("browser.cache.memory.capacity", 2097152); // fixed maximum 2 GB in memory cache user_pref("browser.cache.memory.max_entry_size", 327680); // maximum size of in memory cached objects user_pref("media.memory_caches_combined_limit_pc_sysmem", 40); user_pref("media.memory_caches_combined_limit_kb", 3145728); //user_pref("font.name.serif.x-western", "Roboto Slab"); // serif font //user_pref("font.name.sans-serif.x-western", "Roboto"); // sans-serif font //user_pref("font.name.monospace.x-western", "Fira Code"); // monospace font /** DELETE IF NOT macOS ***/ user_pref("pdfjs.defaultZoomValue", "page-width"); // LAPTOP; PDF zoom level user_pref("app.update.auto", false); // disable auto-installing Firefox updates [NON-WINDOWS] //user_pref("font.name.monospace.x-western", "SF Mono"); // monospace font