commit 3a1d62dd5a26ff151a9bae1297717e008af9c63a Author: lif Date: Mon Oct 27 11:43:24 2025 +0000 Librewolf basic config diff --git a/librewolf/addons.json b/librewolf/addons.json new file mode 100644 index 0000000..97d6b12 --- /dev/null +++ b/librewolf/addons.json @@ -0,0 +1,20 @@ +{ + "schema": 6, + "addons": [ + + { + "id": "{f5525f34-4102-4f6e-8478-3cf23cfeff7a}", + "icons": { + "32": "https://addons.mozilla.org/static-server/img/addon-icons/default-32.png", + "64": "https://addons.mozilla.org/static-server/img/addon-icons/default-64.png", + "128": "https://addons.mozilla.org/static-server/img/addon-icons/default-128.png" + }, + "type": "theme", + "name": "Catppuccin", + "version": "1.0", + "creator": { + "name": "Labrat", + "url": "https://addons.mozilla.org/en-US/firefox/user/12865711/" + } + ] + } diff --git a/librewolf/chrome/userChrome.css b/librewolf/chrome/userChrome.css new file mode 100644 index 0000000..66a956d --- /dev/null +++ b/librewolf/chrome/userChrome.css @@ -0,0 +1,18 @@ +#navigator-toolbox { + // background-color: #ff0000 !important; /* Red background */ +} +/* Hide the close button in the top right corner */ +.titlebar-buttonbox-container, .titlebar-spacer { + display: none !important; +} +/* Hide Search options to left of toolbar */ +#urlbar-searchmode-switcher { + display: none !important; +} +.urlbar-input-box { + padding-left: 7px !important; +} +/* urlbar-input-box */ +#titlebar { + display: none !important; +} diff --git a/librewolf/extensions/catppuccin_muave_frappe-1.0.xpi b/librewolf/extensions/catppuccin_muave_frappe-1.0.xpi new file mode 100644 index 0000000..0df4ed2 Binary files /dev/null and b/librewolf/extensions/catppuccin_muave_frappe-1.0.xpi differ diff --git a/librewolf/extensions/{f5525f34-4102-4f6e-8478-3cf23cfeff7a}.xpi b/librewolf/extensions/{f5525f34-4102-4f6e-8478-3cf23cfeff7a}.xpi new file mode 100644 index 0000000..8446a29 Binary files /dev/null and b/librewolf/extensions/{f5525f34-4102-4f6e-8478-3cf23cfeff7a}.xpi differ diff --git a/librewolf/replace.sh b/librewolf/replace.sh new file mode 100644 index 0000000..20bfe57 --- /dev/null +++ b/librewolf/replace.sh @@ -0,0 +1,2 @@ +rm -rf ~/projects/ffprofile/* +cp ./* ~/projects/ffprofile/ -r diff --git a/librewolf/user.js b/librewolf/user.js new file mode 100644 index 0000000..765d3f2 --- /dev/null +++ b/librewolf/user.js @@ -0,0 +1,680 @@ + +/**************************************************************************************** + * Fastfox * + * "Non ducor duco" * + * priority: speedy browsing * + * version: 144 * + * url: https://github.com/yokoffing/Betterfox * + ***************************************************************************************/ + +/**************************************************************************** + * SECTION: GENERAL * +****************************************************************************/ + +// PREF: initial paint delay +// How long FF will wait before rendering the page (in ms) +// [NOTE] You may prefer using 250. +// [NOTE] Dark Reader users may want to use 1000 [3]. +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1283302 +// [2] https://docs.google.com/document/d/1BvCoZzk2_rNZx3u9ESPoFjSADRI0zIPeJRXFLwWXx_4/edit#heading=h.28ki6m8dg30z +// [3] https://old.reddit.com/r/firefox/comments/o0xl1q/reducing_cpu_usage_of_dark_reader_extension/ +// [4] https://reddit.com/r/browsers/s/wvNB7UVCpx +//user_pref("nglayout.initialpaint.delay", 5); // DEFAULT; formerly 250 + //user_pref("nglayout.initialpaint.delay_in_oopif", 5); // DEFAULT + +// PREF: Font rendering cache in Skia (32MB) +// Increases font cache size to improve performance on text-heavy websites. +// Especially beneficial for sites with many font faces or complex typography. +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1239151#c2 +user_pref("gfx.content.skia-font-cache-size", 32); // 32 MB; default=5; Chrome=20 + +// PREF: page reflow timer +// Rather than wait until a page has completely downloaded to display it to the user, +// web browsers will periodically render what has been received to that point. +// Because reflowing the page every time additional data is received slows down +// total page load time, a timer was added so that the page would not reflow too often. +// This preference specfies whether that timer is active. +// [1] https://kb.mozillazine.org/Content.notify.ontimer +// true = do not reflow pages at an interval any higher than that specified by content.notify.interval (default) +// false = reflow pages whenever new data is received +//user_pref("content.notify.ontimer", true); // DEFAULT + +// PREF: content notification delay - notification interval (in microseconds) to avoid layout thrashing +// When Firefox is loading a page, it periodically reformats +// or "reflows" the page as it loads. The page displays new elements +// every 0.12 seconds by default. These redraws increase the total page load time. +// The default value provides good incremental display of content +// without causing an increase in page load time. +// [NOTE] Lowering the interval will increase responsiveness +// but also increase the total load time. +// [WARNING] If this value is set below 1/10 of a second, it starts +// to impact page load performance. +// [EXAMPLE] 100000 = .10s = 100 reflows/second +// [1] https://searchfox.org/mozilla-central/rev/c1180ea13e73eb985a49b15c0d90e977a1aa919c/modules/libpref/init/StaticPrefList.yaml#1824-1834 +// [2] https://web.archive.org/web/20240115073722/https://dev.opera.com/articles/efficient-javascript/?page=3#reflow +// [3] https://web.archive.org/web/20240115073722/https://dev.opera.com/articles/efficient-javascript/?page=3#smoothspeed +//user_pref("content.notify.interval", 100000); // (.10s); default=120000 (.12s) +//user_pref("content.max.tokenizing.time", 1000000); // (1.00s); alt=2000000; HIDDEN +//user_pref("content.interrupt.parsing", true); // HIDDEN +//user_pref("content.notify.ontimer", true); // DEFAULT + +// PREF: UI responsiveness threshold +//user_pref("content.switch.threshold", 300000); // HIDDEN; default= 750000; alt=500000 + +// PREF: split text nodes to a length +// The number of bytes in a text node. +//user_pref("content.maxtextrun", 8191); // DEFAULT; HIDDEN + +// PREF: new tab preload +// [WARNING] Disabling this may cause a delay when opening a new tab in Firefox. +// [1] https://wiki.mozilla.org/Tiles/Technical_Documentation#Ping +// [2] https://github.com/arkenfox/user.js/issues/1556 +//user_pref("browser.newtab.preload", true); // DEFAULT + +// PREF: disable EcoQoS [WINDOWS] +// Background tab processes use efficiency mode on Windows 11 to limit resource use. +// [WARNING] Leave this alone, unless you're on Desktop and you rely on +// background tabs to have maximum performance. +// [1] https://devblogs.microsoft.com/performance-diagnostics/introducing-ecoqos/ +// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1796525 +// [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1800412 +// [4] https://reddit.com/r/firefox/comments/107fj69/how_can_i_disable_the_efficiency_mode_on_firefox/ +//user_pref("dom.ipc.processPriorityManager.backgroundUsesEcoQoS", false); + +// PREF: control how tabs are loaded when a session is restored +// true=Tabs are not loaded until they are selected (default) +// false=Tabs begin to load immediately. +//user_pref("browser.sessionstore.restore_on_demand", true); // DEFAULT + //user_pref("browser.sessionstore.restore_pinned_tabs_on_demand", true); +//user_pref("browser.sessionstore.restore_tabs_lazily", true); // DEFAULT + +// PREF: disable preSkeletonUI on startup [WINDOWS] +//user_pref("browser.startup.preXulSkeletonUI", false); + +// PREF: lazy load iframes +//user_pref("dom.iframe_lazy_loading.enabled", true); // DEFAULT [FF121+] + +// PREF: Prioritized Task Scheduling API +// [1] https://github.com/yokoffing/Betterfox/issues/355 +// [2] https://blog.mozilla.org/performance/2022/06/02/prioritized-task-scheduling-api-is-prototyped-in-nightly/ +// [3] https://medium.com/airbnb-engineering/building-a-faster-web-experience-with-the-posttask-scheduler-276b83454e91 +// [4] https://github.com/WICG/scheduling-apis/blob/main/explainers/prioritized-post-task.md +// [5] https://wicg.github.io/scheduling-apis/ +// [6] https://caniuse.com/mdn-api_taskcontroller +//user_pref("dom.enable_web_task_scheduling", true); // DEFAULT [FF142+] + +/**************************************************************************** + * SECTION: GFX RENDERING TWEAKS * +****************************************************************************/ + +// PREF: Webrender tweaks +// [1] https://searchfox.org/mozilla-central/rev/6e6332bbd3dd6926acce3ce6d32664eab4f837e5/modules/libpref/init/StaticPrefList.yaml#6202-6219 +// [2] https://hacks.mozilla.org/2017/10/the-whole-web-at-maximum-fps-how-webrender-gets-rid-of-jank/ +// [3] https://www.reddit.com/r/firefox/comments/tbphok/is_setting_gfxwebrenderprecacheshaders_to_true/i0bxs2r/ +// [4] https://www.reddit.com/r/firefox/comments/z5auzi/comment/ixw65gb?context=3 +// [5] https://gist.github.com/RubenKelevra/fd66c2f856d703260ecdf0379c4f59db?permalink_comment_id=4532937#gistcomment-4532937 +//user_pref("gfx.webrender.all", true); // enables WR + additional features +//user_pref("gfx.webrender.precache-shaders", true); // longer initial startup time +//user_pref("gfx.webrender.compositor", true); // DEFAULT WINDOWS macOS + //user_pref("gfx.webrender.compositor.force-enabled", true); // enforce + +// PREF: if your hardware doesn't support Webrender, you can fallback to Webrender's software renderer +// [1] https://www.ghacks.net/2020/12/14/how-to-find-out-if-webrender-is-enabled-in-firefox-and-how-to-enable-it-if-it-is-not/ +//user_pref("gfx.webrender.software", true); // Software Webrender uses CPU instead of GPU + //user_pref("gfx.webrender.software.opengl", true); // LINUX + +// PREF: GPU-accelerated Canvas2D +// Uses Accelerated Canvas2D for hardware acceleration of Canvas2D. +// This provides a consistent acceleration architecture across all platforms +// by utilizing WebGL instead of relying upon Direct2D. +// [WARNING] May cause issues on some Windows machines using integrated GPUs [2] [3] +// Add to your overrides if you have a dedicated GPU. +// [NOTE] Higher values will use more memory. +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1741501 +// [2] https://github.com/yokoffing/Betterfox/issues/153 +// [3] https://github.com/yokoffing/Betterfox/issues/198 +//user_pref("gfx.canvas.accelerated", true); // [DEFAULT FF133+] +user_pref("gfx.canvas.accelerated.cache-items", 32768); // [default=8192 FF135+]; Chrome=4096 +user_pref("gfx.canvas.accelerated.cache-size", 4096); // default=256; Chrome=512 +//user_pref("gfx.canvas.max-size", 32767); // DEFAULT=32767 + +// PREF: WebGL +user_pref("webgl.max-size", 16384); // default=1024 +//user_pref("webgl.force-enabled", true); + +// PREF: prefer GPU over CPU +// At best, the prefs do nothing on Linux/macOS. +// At worst, it'll result in crashes if the sandboxing is a WIP. +// [1] https://firefox-source-docs.mozilla.org/dom/ipc/process_model.html#gpu-process +//user_pref("layers.gpu-process.enabled", true); // DEFAULT WINDOWS + //user_pref("layers.gpu-process.force-enabled", true); // enforce + //user_pref("layers.mlgpu.enabled", true); // LINUX +//user_pref("media.hardware-video-decoding.enabled", true); // DEFAULT WINDOWS macOS + //user_pref("media.hardware-video-decoding.force-enabled", true); // enforce +//user_pref("media.gpu-process-decoder", true); // DEFAULT WINDOWS +//user_pref("media.ffmpeg.vaapi.enabled", true); // LINUX + +// PREF: hardware and software decoded video overlay [FF116+] +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1829063 +// [2] https://phabricator.services.mozilla.com/D175993 +//user_pref("gfx.webrender.dcomp-video-hw-overlay-win", true); // DEFAULT + //user_pref("gfx.webrender.dcomp-video-hw-overlay-win-force-enabled", true); // enforce +//user_pref("gfx.webrender.dcomp-video-sw-overlay-win", true); // DEFAULT + //user_pref("gfx.webrender.dcomp-video-sw-overlay-win-force-enabled", true); // enforce + +/**************************************************************************** + * SECTION: DISK CACHE * +****************************************************************************/ + +// PREF: disk cache +// [NOTE] If you think it helps performance, then feel free to override this. +// [SETTINGS] See about:cache +// More efficient to keep the browser cache instead of having to +// re-download objects for the websites you visit frequently. +// [1] https://www.janbambas.cz/new-firefox-http-cache-enabled/ +user_pref("browser.cache.disk.enable", false); + +// PREF: disk cache size +// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=913808,968106,968101 +// [2] https://rockridge.hatenablog.com/entry/2014/09/15/165501 +// [3] https://www.reddit.com/r/firefox/comments/17oqhw3/firefox_and_ssd_disk_consumption/ +//user_pref("browser.cache.disk.smart_size.enabled", false); // force a fixed max cache size on disk +//user_pref("browser.cache.disk.capacity", 512000); // default=256000; size of disk cache; 1024000=1GB, 2048000=2GB +//user_pref("browser.cache.disk.max_entry_size", 51200); // DEFAULT (50 MB); maximum size of an object in disk cache + +// PREF: Race Cache With Network (RCWN) [FF59+] +// [ABOUT] about:networking#rcwn +// Firefox concurrently sends requests for cached resources to both the +// local disk cache and the network server. The browser uses whichever +// result arrives first and cancels the other request. This approach sometimes +// loads pages faster because the network can be quicker than accessing the cache +// on a hard drive. When RCWN is enabled, the request might be served from +// the server even if you have valid entry in the cache. Set to false if your +// intention is to increase cache usage and reduce network usage. +// [1] https://slides.com/valentingosu/race-cache-with-network-2017 +// [2] https://simonhearne.com/2020/network-faster-than-cache/ +// [3] https://support.mozilla.org/en-US/questions/1267945 +// [4] https://askubuntu.com/questions/1214862/36-syns-in-a-row-how-to-limit-firefox-connections-to-one-website +// [5] https://bugzilla.mozilla.org/show_bug.cgi?id=1622859 +// [6] https://soylentnews.org/comments.pl?noupdate=1&sid=40195&page=1&cid=1067867#commentwrap +//user_pref("network.http.rcwn.enabled", false); + +// PREF: attempt to RCWN only if a resource is smaller than this size +//user_pref("network.http.rcwn.small_resource_size_kb", 256); // DEFAULT + +// PREF: cache memory pool +// Cache v2 provides a memory pool that stores metadata (such as response headers) +// for recently read cache entries [1]. It is managed by a cache thread, and caches with +// metadata in the pool appear to be reused immediately. +// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=986179 +//user_pref("browser.cache.disk.metadata_memory_limit", 16384); // default=250 (0.25 MB); limit of recent metadata we keep in memory for faster access + +// PREF: number of chunks we preload ahead of read +// Large content such as images will load faster. +// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=913819,988318 +// [2] http://www.janbambas.cz/new-firefox-http-cache-enabled/ +//user_pref("browser.cache.disk.preload_chunk_count", 4); // DEFAULT + +// PREF: the time period used to re-compute the frecency value of cache entries +// The frequency algorithm is used to select entries, and entries that are recently +// saved or frequently reused are retained. The frecency value determines how +// frequently a page has been accessed and is used by Firefox's cache algorithm. +// The frequency algorithm is used to select entries, and entries that are recently +// saved or frequently reused are retained. The frecency value determines how +// often a page has been accessed and is used by Firefox's cache algorithm. +// When the memory pool becomes full, the oldest data is purged. By default, +// data older than 6 hours is treated as old. +// [1] https://bugzilla.mozilla.org/buglist.cgi?bug_id=942835,1012327 +// [2] https://bugzilla.mozilla.org/buglist.cgi?bug_id=913808,968101 +//user_pref("browser.cache.frecency_half_life_hours", 6); // DEFAULT + +// PREF: memory limit (in kB) for new cache data not yet written to disk +// Writes to the cache are buffered and written to disk on background with low priority. +// With a slow persistent storage, these buffers may grow when data is coming +// fast from the network. When the amount of unwritten data is exceeded, new +// writes will simply fail. We have two buckets, one for important data +// (priority) like html, css, fonts and js, and one for other data like images, video, etc. +//user_pref("browser.cache.disk.max_chunks_memory_usage", 40960); // DEFAULT (40 MB) +//user_pref("browser.cache.disk.max_priority_chunks_memory_usage", 40960); // DEFAULT (40 MB) + +// PREF: how often to validate document in cache +// 0 = once-per-session +// 1 = each-time +// 2 = never +// 3 = when-appropriate/automatically (default) +//user_pref("browser.cache.check_doc_frequency", 3); // DEFAULT + +// PREF: enforce free space checks +// When smartsizing is disabled, we could potentially fill all disk space by +// cache data when the disk capacity is not set correctly. To avoid that, we +// check the free space every time we write some data to the cache. The free +// space is checked against two limits. Once the soft limit is reached we start +// evicting the least useful entries, when we reach the hard limit writing to +// the entry fails. +//user_pref("browser.cache.disk.free_space_soft_limit", 10240); // default=5120 (5 MB) +//user_pref("browser.cache.disk.free_space_hard_limit", 2048); // default=1024 (1 MB) + +// PREF: compression level for cached JavaScript bytecode [FF102+] +// [1] https://github.com/yokoffing/Betterfox/issues/247 +// 0 = do not compress (default) +// 1 = minimal compression +// 9 = maximal compression +//user_pref("browser.cache.jsbc_compression_level", 3); + +// PREF: strategy to use for when the bytecode should be encoded and saved [TESTING ONLY] +// -1 makes page load times marginally longer when a page is being loaded for the first time, while +// subsequent reload of websites will be much much faster. +// 0 means that the bytecode is created every 4 page loads [3]. +// [1] https://searchfox.org/mozilla-release/source/modules/libpref/init/StaticPrefList.yaml#3461-3488 +// [2] https://www.reddit.com/r/firefox/comments/12786yv/improving_performance_in_firefox_android_part_ii/ +// [3] https://github.com/zen-browser/desktop/issues/217 +// -1 = saved as soon as the script is seen for the first time, independently of the size or last access time +// 0 = saved in order to minimize the page-load time (default) +//user_pref("dom.script_loader.bytecode_cache.enabled", true); // DEFAULT +//user_pref("dom.script_loader.bytecode_cache.strategy", 0); // DEFAULT + +/**************************************************************************** + * SECTION: MEMORY CACHE * +****************************************************************************/ + +// PREF: memory cache +// The "automatic" size selection (default) is based on a decade-old table +// that only contains settings for systems at or below 8GB of system memory [1]. +// Waterfox G6 allows it to go above 8GB machines [3]. +// Value can be up to the max size of an unsigned 64-bit integer. +// -1 = Automatically decide the maximum memory to use to cache decoded images, +// messages, and chrome based on the total amount of RAM +// For machines with 8GB+ RAM, that equals 32768 kb = 32 MB +// [1] https://kb.mozillazine.org/Browser.cache.memory.capacity#-1 +// [2] https://searchfox.org/mozilla-central/source/netwerk/cache2/CacheObserver.cpp#94-125 +// [3] https://github.com/WaterfoxCo/Waterfox/commit/3fed16932c80a2f6b37d126fe10aed66c7f1c214 +user_pref("browser.cache.memory.capacity", 131072); // 128 MB RAM cache; alt=65536 (65 MB RAM cache); default=32768 +user_pref("browser.cache.memory.max_entry_size", 20480); // 20 MB max entry; default=5120 (5 MB) + +// PREF: amount of Back/Forward cached pages stored in memory for each tab +// Pages that were recently visited are stored in memory in such a way +// that they don't have to be re-parsed. This improves performance +// when pressing Back and Forward. This pref limits the maximum +// number of pages stored in memory. If you are not using the Back +// and Forward buttons that much, but rather using tabs, then there +// is no reason for Firefox to keep memory for this. +// -1=determine automatically (8 pages) +// [1] https://kb.mozillazine.org/Browser.sessionhistory.max_total_viewers#Possible_values_and_their_effects +user_pref("browser.sessionhistory.max_total_viewers", 4); // default=8 +user_pref("browser.sessionstore.max_tabs_undo", 10); // default=25 +//user_pref("browser.sessionstore.max_entries", 10); // [HIDDEN OR REMOVED] +//user_pref("dom.storage.default_quota", 20480); // 20MB; default=5120 +//user_pref("dom.storage.shadow_writes", true); + +// PREF: tell garbage collector to start running when javascript is using xx MB of memory +// Garbage collection releases memory back to the system. +//user_pref("javascript.options.mem.high_water_mark", 128); // DEFAULT [HIDDEN OR REMOVED] + +/**************************************************************************** + * SECTION: MEDIA CACHE * +****************************************************************************/ + +// PREF: media disk cache +//user_pref("media.cache_size", 512000); // DEFAULT + +// PREF: media memory cache +// [1] https://hg.mozilla.org/mozilla-central/file/tip/modules/libpref/init/StaticPrefList.yaml#l9652 +// [2] https://github.com/arkenfox/user.js/pull/941#issuecomment-668278121 +user_pref("media.memory_cache_max_size", 262144); // 256 MB; default=8192; AF=65536 + +// PREF: media cache combine sizes +user_pref("media.memory_caches_combined_limit_kb", 1048576); // 1GB; default=524288 +//user_pref("media.memory_caches_combined_limit_pc_sysmem", 5); // DEFAULT; alt=10; the percentage of system memory that Firefox can use for media caches + +// PREF: Media Source Extensions (MSE) web standard +// Disabling MSE allows videos to fully buffer, but you're limited to 720p. +// [WARNING] Disabling MSE may break certain videos. +// false=Firefox plays the old WebM format +// true=Firefox plays the new WebM format (default) +// [1] https://support.mozilla.org/en-US/questions/1008271 +//user_pref("media.mediasource.enabled", true); // DEFAULT + +// PREF: adjust video buffering periods when not using MSE (in seconds) +// [NOTE] Does not affect videos over 720p since they use DASH playback [1] +// [1] https://lifehacker.com/preload-entire-youtube-videos-by-disabling-dash-playbac-1186454034 +user_pref("media.cache_readahead_limit", 600); // 10 min; default=60; stop reading ahead when our buffered data is this many seconds ahead of the current playback +user_pref("media.cache_resume_threshold", 300); // 5 min; default=30; when a network connection is suspended, don't resume it until the amount of buffered data falls below this threshold + +/**************************************************************************** + * SECTION: IMAGE CACHE * +****************************************************************************/ + +// PREF: image cache +user_pref("image.cache.size", 10485760); // (cache images up to 10MiB in size) [DEFAULT 5242880] +user_pref("image.mem.decode_bytes_at_a_time", 65536); // default=16384; alt=32768; chunk size for calls to the image decoders +//user_pref("image.mem.max_decoded_image_kb", 512000); // 500MB [HIDDEN OR REMOVED?] + +// PREF: set minimum timeout to unmap shared surfaces since they have been last used +// [NOTE] This is only used on 32-bit builds of Firefox where there is meaningful +// virtual address space pressure. +// [1] https://phabricator.services.mozilla.com/D109440 +// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1699224 +//user_pref("image.mem.shared.unmap.min_expiration_ms", 120000); // default=60000; minimum timeout to unmap shared surfaces since they have been last used + +/**************************************************************************** + * SECTION: NETWORK * +****************************************************************************/ + +// PREF: use bigger packets +// [WARNING] Cannot open HTML files bigger than 4MB if value is too large [2]. +// Reduce Firefox's CPU usage by requiring fewer application-to-driver data transfers. +// However, it does not affect the actual packet sizes transmitted over the network. +// [1] https://www.mail-archive.com/support-seamonkey@lists.mozilla.org/msg74561.html +// [2] https://github.com/yokoffing/Betterfox/issues/279 +// [3] https://ra1ahq.blog/en/optimizaciya-proizvoditelnosti-mozilla-firefox +//user_pref("network.buffer.cache.size", 65535); // default=32768 (32 kb); 262144 too large +//user_pref("network.buffer.cache.count", 48); // default=24; 128 too large + +// PREF: increase the absolute number of HTTP connections +// [1] https://kb.mozillazine.org/Network.http.max-connections +// [2] https://kb.mozillazine.org/Network.http.max-persistent-connections-per-server +// [3] https://www.reddit.com/r/firefox/comments/11m2yuh/how_do_i_make_firefox_use_more_of_my_900_megabit/jbfmru6/ +user_pref("network.http.max-connections", 1800); // default=900 +user_pref("network.http.max-persistent-connections-per-server", 10); // default=6; download connections; anything above 10 is excessive + user_pref("network.http.max-urgent-start-excessive-connections-per-host", 5); // default=3 + //user_pref("network.http.max-persistent-connections-per-proxy", 48); // default=32 +user_pref("network.http.request.max-start-delay", 5); // default=10 +//user_pref("network.websocket.max-connections", 200); // DEFAULT + +// PREF: pacing requests [FF23+] +// Controls how many HTTP requests are sent at a time. +// Pacing HTTP requests can have some benefits, such as reducing network congestion, +// improving web page loading speed, and avoiding server overload. +// Pacing requests adds a slight delay between requests to throttle them. +// If you have a fast machine and internet connection, disabling pacing +// may provide a small speed boost when loading pages with lots of requests. +// false = Firefox will send as many requests as possible without pacing +// true = Firefox will pace requests (default) +user_pref("network.http.pacing.requests.enabled", false); + //user_pref("network.http.pacing.requests.min-parallelism", 10); // default=6 + //user_pref("network.http.pacing.requests.burst", 32); // default=10 + +// PREF: increase DNS cache +// [1] https://developer.mozilla.org/en-US/docs/Web/Performance/Understanding_latency +user_pref("network.dnsCacheEntries", 10000); // default=800 + +// PREF: adjust DNS expiration time +// [ABOUT] about:networking#dns +// [NOTE] These prefs will be ignored by DNS resolver if using DoH/TRR. +user_pref("network.dnsCacheExpiration", 3600); // keep entries for 1 hour; default=60 + //user_pref("network.dnsCacheExpirationGracePeriod", 120); // default=60; cache DNS entries for 2 minutes after they expire + +// PREF: the number of threads for DNS +//user_pref("network.dns.max_high_priority_threads", 40); // DEFAULT [FF 123?] +//user_pref("network.dns.max_any_priority_threads", 24); // DEFAULT [FF 123?] + +// PREF: increase TLS token caching +user_pref("network.ssl_tokens_cache_capacity", 10240); // default=2048; more TLS token caching (fast reconnects) + +/**************************************************************************** + * SECTION: SPECULATIVE LOADING * +****************************************************************************/ + +// These are connections that are not explicitly asked for (e.g., clicked on). +// [1] https://developer.mozilla.org/en-US/docs/Web/Performance/Speculative_loading + +// [NOTE] FF85+ partitions (isolates) pooled connections, prefetch connections, +// pre-connect connections, speculative connections, TLS session identifiers, +// and other connections. We can take advantage of the speed of pre-connections +// while preserving privacy. Users may relax hardening to maximize their preference. +// For more information, see SecureFox: "PREF: State Paritioning" and "PREF: Network Partitioning". +// [NOTE] To activate and increase network predictions, go to settings in uBlock Origin and uncheck: +// - "Disable pre-fetching (to prevent any connection for blocked network requests)" +// [NOTE] Add prefs to "MY OVERRIDES" section and uncomment to enable them in your user.js. + +// PREF: link-mouseover opening connection to linked server +// When accessing content online, devices use sockets as endpoints. +// The global limit on half-open sockets controls how many speculative +// connection attempts can occur at once when starting new connections [3]. +// If the user follows through, pages can load faster since some +// work was done in advance. Firefox opens predictive connections +// to sites when hovering over New Tab thumbnails or starting a +// URL Bar search [1] and hyperlinks within a page [2]. +// [NOTE] DNS (if enabled), TCP, and SSL handshakes are set up in advance, +// but page contents are not downloaded until a click on the link is registered. +// [1] https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections?redirectslug=how-stop-firefox-automatically-making-connections&redirectlocale=en-US#:~:text=Speculative%20pre%2Dconnections +// [2] https://news.slashdot.org/story/15/08/14/2321202/how-to-quash-firefoxs-silent-requests +// [3] https://searchfox.org/mozilla-central/rev/028c68d5f32df54bca4cf96376f79e48dfafdf08/modules/libpref/init/all.js#1280-1282 +// [4] https://www.keycdn.com/blog/resource-hints#prefetch +// [5] https://3perf.com/blog/link-rels/#prefetch +user_pref("network.http.speculative-parallel-limit", 0); + +// PREF: DNS prefetching for HTMLLinkElement +// Used for cross-origin connections to provide small performance improvements. +// You can enable rel=dns-prefetch for the HTTPS document without prefetching +// DNS for anchors, whereas the latter makes more specualtive requests [5]. +// [1] https://bitsup.blogspot.com/2008/11/dns-prefetching-for-firefox.html +// [2] https://css-tricks.com/prefetching-preloading-prebrowsing/#dns-prefetching +// [3] https://www.keycdn.com/blog/resource-hints#2-dns-prefetching +// [4] http://www.mecs-press.org/ijieeb/ijieeb-v7-n5/IJIEEB-V7-N5-2.pdf +// [5] https://bugzilla.mozilla.org/show_bug.cgi?id=1596935#c28 +user_pref("network.dns.disablePrefetch", true); + user_pref("network.dns.disablePrefetchFromHTTPS", true); // [FF127+ false] + +// PREF: DNS prefetch for HTMLAnchorElement (speculative DNS) +// Disable speculative DNS calls to prevent Firefox from resolving +// hostnames for other domains linked on a page. This may eliminate +// unnecessary DNS lookups, but can increase latency when following external links. +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1596935#c28 +// [2] https://github.com/arkenfox/user.js/issues/1870#issuecomment-2220773972 +//user_pref("dom.prefetch_dns_for_anchor_http_document", false); // [FF128+] +//user_pref("dom.prefetch_dns_for_anchor_https_document", false); // DEFAULT [FF128+] + +// PREF: enable tag and Link: rel=preconnect response header handling +//user_pref("network.preconnect", true); // DEFAULT + +// PREF: preconnect to the autocomplete URL in the address bar +// Whether to warm up network connections for autofill or search results. +// Firefox preloads URLs that autocomplete when a user types into the address bar. +// Connects to destination server ahead of time, to avoid TCP handshake latency. +// [NOTE] Firefox will perform DNS lookup (if enabled) and TCP and TLS handshake, +// but will not start sending or receiving HTTP data. +// [1] https://www.ghacks.net/2017/07/24/disable-preloading-firefox-autocomplete-urls/ +user_pref("browser.urlbar.speculativeConnect.enabled", false); + +// PREF: mousedown speculative connections on bookmarks and history [FF98+] +// Whether to warm up network connections for places:menus and places:toolbar. +user_pref("browser.places.speculativeConnect.enabled", false); + +// PREF: network module preload [FF115+] +// High-priority loading of current page JavaScript modules. +// Used to preload high-priority JavaScript modules for strategic performance improvements. +// Module preloading allows developers to fetch JavaScript modules and dependencies +// earlier to accelerate page loads. The browser downloads, parses, and compiles modules +// referenced by links with this attribute in parallel with other resources, rather +// than sequentially waiting to process each. Preloading reduces overall download times. +// Browsers may also automatically preload dependencies without firing extra events. +// Unlike other pre-connection tags (except rel=preload), this tag is mandatory for the browser. +// [1] https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/rel/modulepreload +//user_pref("network.modulepreload", true); // DEFAULT + +// PREF: link prefetching +// Pre-populates the HTTP cache by prefetching same-site future navigation +// resources or subresources used on those pages. +// Enabling link prefetching allows Firefox to preload pages tagged as important. +// The browser prefetches links with the prefetch-link tag, fetching resources +// likely needed for the next navigation at low priority. When clicking a link +// or loading a new page, prefetching stops and discards hints. Prefetching +// downloads resources without executing them. +// [NOTE] Since link prefetch uses the HTTP cache, it has a number of issues +// with document prefetches, such as being potentially blocked by Cache-Control headers +// (e.g. cache partitioning). +// [1] https://developer.mozilla.org/en-US/docs/Glossary/Prefetch +// [2] http://www.mecs-press.org/ijieeb/ijieeb-v7-n5/IJIEEB-V7-N5-2.pdf +// [3] https://timkadlec.com/remembers/2020-06-17-prefetching-at-this-age/ +// [4] https://3perf.com/blog/link-rels/#prefetch +// [5] https://developer.mozilla.org/docs/Web/HTTP/Link_prefetching_FAQ +user_pref("network.prefetch-next", false); + +// PREF: Fetch Priority API [FF119+] +// Indicates whether the `fetchpriority` attribute for elements which support it. +// [1] https://web.dev/articles/fetch-priority +// [2] https://nitropack.io/blog/post/priority-hints +// [2] https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/fetchPriority +// [3] https://developer.mozilla.org/en-US/docs/Web/API/HTMLLinkElement/fetchPriority +//user_pref("network.fetchpriority.enabled", true); + +// PREF: early hints [FF120+] +// [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/103 +// [2] https://developer.chrome.com/blog/early-hints/ +// [3] https://blog.cloudflare.com/early-hints/ +// [4] https://blog.cloudflare.com/early-hints-performance/ +//user_pref("network.early-hints.enabled", true); + +// PREF: `Link: rel=preconnect` in 103 Early Hint response [FF120+] +// Used to warm most critical cross-origin connections to provide +// performance improvements when connecting to them. +// [NOTE] When 0, this is limited by "network.http.speculative-parallel-limit". +//user_pref("network.early-hints.preconnect.enabled", true); +//user_pref("network.early-hints.preconnect.max_connections", 10); // DEFAULT + +// PREF: Network Predictor (NP) +// When enabled, it trains and uses Firefox's algorithm to preload page resource +// by tracking past page resources. It uses a local file (history) of needed images, +// scripts, etc. to request them preemptively when navigating. +// [NOTE] By default, it only preconnects DNS, TCP, and SSL handshakes. +// No data sends until clicking. With "network.predictor.enable-prefetch" enabled, +// it also performs prefetches. +// [1] https://wiki.mozilla.org/Privacy/Reviews/Necko +// [2] https://www.ghacks.net/2014/05/11/seer-disable-firefox/ +// [3] https://github.com/dillbyrne/random-agent-spoofer/issues/238#issuecomment-110214518 +// [4] https://www.igvita.com/posa/high-performance-networking-in-google-chrome/#predictor +user_pref("network.predictor.enabled", false); + +// PREF: Network Predictor fetch for resources ahead of time +// Prefetch page resources based on past user behavior. +//user_pref("network.predictor.enable-prefetch", false); // DEFAULT + +// PREF: make Network Predictor active when hovering over links +// When hovering over links, Network Predictor uses past resource history to +// preemptively request what will likely be needed instead of waiting for the document. +// Predictive connections automatically open when hovering over links to speed up +// loading, starting some work in advance. +//user_pref("network.predictor.enable-hover-on-ssl", false); // DEFAULT + +// PREF: assign Network Predictor confidence levels +// [NOTE] Keep in mind that Network Predictor must LEARN your browsing habits. +// Editing these lower will cause more speculative connections to occur, +// which reduces accuracy over time and has privacy implications. +//user_pref("network.predictor.preresolve-min-confidence", 60); // DEFAULT +//user_pref("network.predictor.preconnect-min-confidence", 90); // DEFAULT +//user_pref("network.predictor.prefetch-min-confidence", 100); // DEFAULT + +// PREF: other Network Predictor values +// [NOTE] Keep in mmind that Network Predictor must LEARN your browsing habits. +//user_pref("network.predictor.prefetch-force-valid-for", 10); // DEFAULT; how long prefetched resources are considered valid and usable (in seconds) for the prediction modeling +//user_pref("network.predictor.prefetch-rolling-load-count", 10); // DEFAULT; the maximum number of resources that Firefox will prefetch in memory at one time based on prediction modeling +//user_pref("network.predictor.max-resources-per-entry", 250); // default=100 +//user_pref("network.predictor.max-uri-length", 1000); // default=500 + +/**************************************************************************** + * SECTION: EXPERIMENTAL * +****************************************************************************/ + +// PREF: CSS Masonry Layout [NIGHTLY] +// [1] https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout/Masonry_Layout +// [2] https://www.smashingmagazine.com/native-css-masonry-layout-css-grid/ +//user_pref("layout.css.grid-template-masonry-value.enabled", true); + +/**************************************************************************** + * SECTION: TAB UNLOAD * +****************************************************************************/ + +// PREF: unload tabs on low memory +// [ABOUT] about:unloads +// Firefox will detect if your computer’s memory is running low (less than 200MB) +// and suspend tabs that you have not used in awhile. +// [1] https://support.mozilla.org/en-US/kb/unload-inactive-tabs-save-system-memory-firefox +// [2] https://hacks.mozilla.org/2021/10/tab-unloading-in-firefox-93/ +//user_pref("browser.tabs.unloadOnLowMemory", true); // DEFAULT + +// PREF: determine when tabs unload [WINDOWS] [LINUX] +// Notify TabUnloader or send the memory pressure if the memory resource +// notification is signaled AND the available commit space is lower than +// this value (in MiB). +// Set this to some value, e.g. 4/5 of total memory available on your system: +// 4GB=3276, 8GB=6553, 16GB=13107, 32GB=25698, 64GB=52429 +// [1] https://dev.to/msugakov/taking-firefox-memory-usage-under-control-on-linux-4b02 +//user_pref("browser.low_commit_space_threshold_mb", 3276); // default=200; WINDOWS LINUX + +// PREF: determine when tabs unload [LINUX] +// On Linux, Firefox checks available memory in comparison to total memory, +// and use this percent value (out of 100) to determine if Firefox is in a +// low memory scenario. +// [1] https://dev.to/msugakov/taking-firefox-memory-usage-under-control-on-linux-4b02 +//user_pref("browser.low_commit_space_threshold_percent", 20); // default=5; LINUX + +// PREF: determine how long (in ms) tabs are inactive before they unload +// 60000=1min; 300000=5min; 600000=10min (default) +//user_pref("browser.tabs.min_inactive_duration_before_unload", 300000); // 5min; default=600000 + +/**************************************************************************** + * SECTION: PROCESS COUNT * +****************************************************************************/ + +// PREF: process count +// [ABOUT] View in about:processes. +// With Firefox Quantum (2017), CPU cores = processCount. However, since the +// introduction of Fission [2], the number of website processes is controlled +// by processCount.webIsolated. Disabling fission.autostart or changing +// fission.webContentIsolationStrategy reverts control back to processCount. +// [1] https://www.reddit.com/r/firefox/comments/r69j52/firefox_content_process_limit_is_gone/ +// [2] https://firefox-source-docs.mozilla.org/dom/ipc/process_model.html#web-content-processes +//user_pref("dom.ipc.processCount", 8); // DEFAULT; Shared Web Content +//user_pref("dom.ipc.processCount.webIsolated", 1); // default=4; Isolated Web Content +//user_pref("dom.ipc.keepProcessesAlive.web", 4); // default=1 [HIDDEN OR REMOVED] + +// PREF: use one process for process preallocation cache +//user_pref("dom.ipc.processPrelaunch.fission.number", 1); // default=3; Process Preallocation Cache + +// PREF: configure process isolation +// [1] https://hg.mozilla.org/mozilla-central/file/tip/dom/ipc/ProcessIsolation.cpp#l53 +// [2] https://www.reddit.com/r/firefox/comments/r69j52/firefox_content_process_limit_is_gone/ + +// OPTION 1: isolate all websites +// Web content is always isolated into its own `webIsolated` content process +// based on site-origin, and will only load in a shared `web` content process +// if site-origin could not be determined. +//user_pref("fission.webContentIsolationStrategy", 1); // DEFAULT +//user_pref("browser.preferences.defaultPerformanceSettings.enabled", true); // DEFAULT + //user_pref("dom.ipc.processCount.webIsolated", 1); // one process per site origin + +// OPTION 2: isolate only "high value" websites +// Only isolates web content loaded by sites which are considered "high +// value". A site is considered high value if it has been granted a +// `highValue*` permission by the permission manager, which is done in +// response to certain actions. +//user_pref("fission.webContentIsolationStrategy", 2); +//user_pref("browser.preferences.defaultPerformanceSettings.enabled", false); + //user_pref("dom.ipc.processCount.webIsolated", 1); // one process per site origin (high value) + //user_pref("dom.ipc.processCount", 8); // determine by number of CPU cores/processors + +// OPTION 3: do not isolate websites +// All web content is loaded into a shared `web` content process. This is +// similar to the non-Fission behavior; however, remote subframes may still +// be used for sites with special isolation behavior, such as extension or +// mozillaweb content processes. +//user_pref("fission.webContentIsolationStrategy", 0); +//user_pref("browser.preferences.defaultPerformanceSettings.enabled", false); + //user_pref("dom.ipc.processCount", 8); // determine by number of CPU cores/processors +// +user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true); +user_pref("extensions.activeThemeID", "{f5525f34-4102-4f6e-8478-3cf23cfeff7a}"); + +user_pref("devtools.enabled", true); // Enable Developer Tools in general +user_pref("devtools.toolbox.enabled", true); // Enable the Developer Tools toolbox +user_pref("devtools.toolbox.host", "window"); // Open Developer Tools in a separate window (optional) + +user_pref("devtools.debugger.remote-enabled", true); // Enable remote debugging +user_pref("devtools.debugger.prompt-connection", false); // Disable the prompt when a remote connection is made + +user_pref("browser.toolbars.bookmarks.visibility", "never"); +user_pref("sidebar.revam", true); +user_pref("sidebar.verticalTabs", true); +user_pref("browser.engagement.sidebar-button.has-used", true); +