mirror of
https://github.com/yokoffing/Betterfox.git
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yokoffing
217 lines
12 KiB
JavaScript
217 lines
12 KiB
JavaScript
//
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/* Do not COPY+PASTE this file. If you do, only COPY+PASTE the user_pref itself.
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*
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* If you make changes to your about:config while the program is running, the
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* changes will be overwritten when the application restarts.
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*
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* To make a change to preferences, you will have to edit the user.js file.
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*/
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/****************************************************************************************
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* Fastfox *
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* "Non ducor duco" *
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* priority: speedy browsing *
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* version: 108 *
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* url: https://github.com/yokoffing/Betterfox *
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***************************************************************************************/
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// PREF: initial paint delay
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// How long FF will wait before rendering the page
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// [1] https://kb.mozillazine.org/Nglayout.initialpaint.delay
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//user_pref("nglayout.initialpaint.delay", 0); // default=5; used to be 250
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//user_pref("nglayout.initialpaint.delay_in_oopif", 0); // default=5; used to be 250
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// PREF: control how tabs are loaded when a session is restored
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// true=Tabs are not loaded until they are selected (default)
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// false=Tabs begin to load immediately.
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//user_pref("browser.sessionstore.restore_on_demand", true); // DEFAULT
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//user_pref("browser.sessionstore.restore_pinned_tabs_on_demand", true);
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//user_pref("browser.sessionstore.restore_tabs_lazily", true); // DEFAULT
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// PREF: enable Lazy Image Loading
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// https://www.ghacks.net/2020/02/15/firefox-75-gets-lazy-loading-support-for-images/
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//user_pref("dom.image-lazy-loading.enabled", true); // DEFAULT
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// PREF: disable preSkeletonUI on startup
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user_pref("browser.startup.preXulSkeletonUI", false);
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// PREF: set the minimum interval between session save operations
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// Increasing this can help on older machines and some websites, as well as reducing writes
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// [1] https://bugzilla.mozilla.org/1304389
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//user_pref("browser.sessionstore.interval", 30000); // [DEFAULT: 15000]
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// PREF: OffscreenCanvas
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// [1] https://yashints.dev/blog/2019/05/11/offscreen-canvas
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// [2] https://www.youtube.com/watch?v=CWvRA9E0DqU
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// [3] https://developer.chrome.com/blog/offscreen-canvas/
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// [4] https://groups.google.com/a/mozilla.org/g/dev-platform/c/kp9SZL-0wW0
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//user_pref("gfx.offscreencanvas.enabled", true); // DEFAULT FF106+
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// PREF: CSS Font Loading API in workers
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// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1072107
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//user_pref("layout.css.font-loading-api.workers.enabled", true); // DEFAULT FF106+
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// PREF: enable importMaps [FF108+]
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// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1688879
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// [2] https://github.com/WICG/import-maps#the-basic-idea
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// [3] https://caniuse.com/import-maps
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//user_pref("dom.importMaps.enabled", true); // DEFAULT FF108+
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//user_pref("javascript.options.experimental.import_assertions", true);
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/****************************************************************************
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* SECTION: EXPERIMENTAL *
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****************************************************************************/
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// PREF: about:home startup cache [NIGHTLY]
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// A cache for the initial about:home document that is loaded by default at startup
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// The purpose of the cache is to improve startup performance
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//user_pref("browser.startup.homepage.abouthome_cache.enabled", true);
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// PREF: CSS Masonry Layout [NIGHTLY]
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user_pref("layout.css.grid-template-masonry-value.enabled", true);
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// PREF: Prioritized Task Scheduling API [NIGHTLY]
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// [1] https://blog.mozilla.org/performance/2022/06/02/prioritized-task-scheduling-api-is-prototyped-in-nightly/
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// [2] https://medium.com/airbnb-engineering/building-a-faster-web-experience-with-the-posttask-scheduler-276b83454e91
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user_pref("dom.enable_web_task_scheduling", true);
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// PREF: enable animation-composition [NIGHTLY]
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// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1785329
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// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1293490
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// [3] https://developer.mozilla.org/en-US/docs/Web/CSS/animation-composition
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user_pref("layout.css.animation-composition.enabled", true);
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// PREF: Shadowrealms [NIGHTLY]
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// [1] https://github.com/tc39/proposal-shadowrealm/blob/main/explainer.md#introduction
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//user_pref("javascript.options.experimental.shadow_realms", true);
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// PREF: Wasm GC [NIGHTLY]
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// [1] https://github.com/WebAssembly/gc/blob/main/proposals/gc/Overview.md
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//user_pref("javascript.options.wasm_gc", true);
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// PREF: Wasm Function References [NIGHTLY]
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// [1] https://github.com/WebAssembly/function-references/blob/master/proposals/function-references/Overview.md
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//user_pref("javascript.options.wasm_function_references", true);
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/****************************************************************************
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* SECTION: NETWORK *
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****************************************************************************/
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// PREF: faster SSL
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user_pref("network.ssl_tokens_cache_capacity", 32768); // more TLS token caching (fast reconnects)
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// PREF: increase DNS cache
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user_pref("network.dnsCacheEntries", 20000);
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user_pref("network.dnsCacheExpiration", 3600);
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user_pref("network.dnsCacheExpirationGracePeriod", 240);
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// PREF: use bigger packets
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// [1] https://www.mail-archive.com/support-seamonkey@lists.mozilla.org/msg74561.html
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// [2] https://www.mail-archive.com/support-seamonkey@lists.mozilla.org/msg74570.html
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user_pref("network.buffer.cache.size", 262144); // preferred=327680; default=32768
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user_pref("network.buffer.cache.count", 128); // preferred=240; default=24
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// PREF: DoH requests
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//user_pref("network.trr.request_timeout_ms", 1500); // DEFAULT
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//user_pref("network.trr.retry-timeout-ms", 125); // DEFAULT
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// These do not affect anything, probably:
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// PREF: close a connection if tls handshake does not finish in given number of seconds
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//user_pref("network.http.tls-handshake-timeout", 3); // default=30
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// PREF: timeout connections if an initial response is not received in number of seconds
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//user_pref("network.http.response.timeout", 5); // default=300
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// PREF: increase the absolute number of http connections
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// [1] https://kb.mozillazine.org/Network.http.max-connections
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// [2] https://kb.mozillazine.org/Network.http.max-persistent-connections-per-server
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//user_pref("network.http.max-connections", 1800); // default=900
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//user_pref("network.http.max-persistent-connections-per-server", 8); // default=6; download connections; anything above 10 is excessive
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/****************************************************************************
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* SECTION: MAKE FIREFOX FAST *
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* [NOTE] The following is not recommended for low-end machines *
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* Credit for most of these: *
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* https://gist.github.com/RubenKelevra/fd66c2f856d703260ecdf0379c4f59db *
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* [NOTE] For best performance on older hardware, you will need to test *
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* these settings individually. *
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****************************************************************************/
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/****************************************************************************
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* SECTION: GFX RENDERING TWEAKS *
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****************************************************************************/
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// PREF: Webrender tweaks
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// [1] https://searchfox.org/mozilla-central/rev/6e6332bbd3dd6926acce3ce6d32664eab4f837e5/modules/libpref/init/StaticPrefList.yaml#6202-6219
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// [2] https://hacks.mozilla.org/2017/10/the-whole-web-at-maximum-fps-how-webrender-gets-rid-of-jank/
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// [3] https://www.troddit.com/r/firefox/comments/tbphok/is_setting_gfxwebrenderprecacheshaders_to_true/i0bxs2r/
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// [4] https://www.troddit.com/r/firefox/comments/z5auzi/comment/ixw65gb?context=3
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user_pref("gfx.webrender.all", true); // enables WR (GPU) + additional features
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user_pref("gfx.webrender.precache-shaders", true);
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user_pref("gfx.webrender.compositor", true);
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//user_pref("gfx.webrender.compositor.force-enabled", true); // reinforce
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user_pref("layers.gpu-process.enabled", true);
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//user_pref("layers.gpu-process.force-enabled", true); // reinforce
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user_pref("media.hardware-video-decoding.enabled", true);
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//user_pref("media.hardware-video-decoding.force-enabled", true); // reinforce
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// PREF: if your hardware doesn't support Webrender, you can fallback to Webrender's software renderer
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// [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/
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//user_pref("gfx.webrender.enabled", true);
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//user_pref("gfx.webrender.software", true); // Webrender uses the CPU and not the GPU
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//user_pref("gfx.webrender.software.opengl", true); [LINUX]
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//user_pref("media.ffmpeg.vaapi.enabled", true); // [LINUX]
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// PREF: GPU-accelerated Canvas2D tweaks
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// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1739448
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user_pref("gfx.canvas.accelerated", true);
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user_pref("gfx.canvas.accelerated.cache-items", 32768);
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user_pref("gfx.canvas.accelerated.cache-size", 4096);
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user_pref("gfx.content.skia-font-cache-size", 80);
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// PREF: image tweaks
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user_pref("image.cache.size", 10485760);
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user_pref("image.mem.decode_bytes_at_a_time", 131072); // alt=65536; preferred=262144; chunk size for calls to the image decoders
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user_pref("image.mem.shared.unmap.min_expiration_ms", 120000); // default=60000; minimum timeout to unmap shared surfaces since they have been last used
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// PREF: increase media cache
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user_pref("media.memory_cache_max_size", 1048576); // alt=512000; also in Securefox (inactive there)
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user_pref("media.memory_caches_combined_limit_kb", 2560000); // preferred=3145728; // default=524288
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//user_pref("media.memory_caches_combined_limit_pc_sysmem", 20); // default=5
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// PREF: decrease video buffering
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// [NOTE] Does not affect YouTube since it uses DASH playback [1]
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// [1] https://lifehacker.com/preload-entire-youtube-videos-by-disabling-dash-playbac-1186454034
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user_pref("media.cache_size", 2048000); // default=512000
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user_pref("media.cache_readahead_limit", 9000); // default=60; stop reading ahead when our buffered data is this many seconds ahead of the current playback
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user_pref("media.cache_resume_threshold", 6000); // default=30; when a network connection is suspended, don't resume it until the amount of buffered data falls below this threshold (in seconds)
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// PREF: faster upload speed
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// Firefox currently has a bug with impacting upload speeds with HTTP3/QUIC
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// [TEST] https://speedof.me/
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// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1753486
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// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1596576
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//user_pref("network.http.http3.enable", false); // disables HTTP3/QUIC
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//user_pref("network.http.http2.chunk-size", 32000); // preferred=48000; default=16000 [needed?]
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/****************************************************************************
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* SECTION: BROWSER CACHE *
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****************************************************************************/
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// PREF: re-enable disk cache (optional)
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// [EXTENSION] https://addons.mozilla.org/en-US/firefox/addon/cache-longer/
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//user_pref("browser.cache.disk.enable", true); // SecureFox override
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//user_pref("browser.cache.disk.max_entry_size", 51200); // DEFAULT
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//user_pref("browser.cache.disk.smart_size.enabled", false); // disable adaptive cache size on disk
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//user_pref("browser.cache.disk.capacity", 8192000); // 8 GB cache on disk
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//user_pref("browser.cache.max_shutdown_io_lag", 16); // number of seconds the cache spends writing pending data and closing files after shutdown has been signalled
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//user_pref("browser.cache.frecency_half_life_hours", 128); // lower cache sweep intervals, the half life used to re-compute cache entries frecency (in hours)
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// disable clearing cache on shutdown:
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//user_pref("privacy.clearOnShutdown.cache", false);
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// PREF: increase memory cache size (recommended)
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// [1] https://www.makeuseof.com/tag/how-much-data-does-youtube-use/
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//user_pref("browser.cache.memory.capacity", 5242880); // default=-1; 256000=256MB, 512000=512MB, 1024000=1GB, 2097152=2GB, 5242880=5GB, 8388608=8GB
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user_pref("browser.cache.memory.max_entry_size", 153600); // alt=51200; preferred=327680 ; -1 -> entries bigger than than 90% of the mem-cache are never cached
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