diff --git a/Fastfox.js b/Fastfox.js index b677ec9..2b91435 100644 --- a/Fastfox.js +++ b/Fastfox.js @@ -3,10 +3,20 @@ * Fastfox * * "Non ducor duco" * * priority: speedy browsing * - * version: 108 * + * version: 109 * * url: https://github.com/yokoffing/Betterfox * ***************************************************************************************/ +// PREF: process count +// Process count used to be "# of CPU cores = processCount" starting with Firefox Quantum (2017). +// Since the introduction of Fission [2], increasing process count +// is more complicated than changing one pref [1]. +// [1] https://firefox-source-docs.mozilla.org/dom/ipc/process_model.html#web-content-processes +// [2] https://github.com/yokoffing/Betterfox/blob/064f64ab5f0e8443ed6b127d91326d9c887cd15d/Securefox.js#L58-L64 +//user_pref("dom.ipc.processCount", 8); // DEFAULT; Shared Web Content +//user_pref("dom.ipc.processCount.webIsolated", 4); // per-site; DEFAULT; Isolated Web Content + +// [1] https://github.com/yokoffing/Betterfox/blob/064f64ab5f0e8443ed6b127d91326d9c887cd15d/Securefox.js#L58-L64 // PREF: initial paint delay // How long FF will wait before rendering the page, in milliseconds // Reduce the 5ms Firefox waits to render the page @@ -15,20 +25,35 @@ user_pref("nglayout.initialpaint.delay", 0); // default=5; used to be 250 user_pref("nglayout.initialpaint.delay_in_oopif", 0); // default=5 -// PREF: notification interval (in microseconds) +// 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: 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. -// Lowering the interval will decrease the perceived page load time -// but increase the total loading time. -// The notification interval has a dramatic effect on how long it takes to -// initially display content for slow connections. The default value -// provides good incremental display of content without causing an increase -// in page load time. If this value is set below 1/10 of a second it starts +// The default value provides good incremental display of content +// without causing an increase in page load time. +// [NOTE] Lowering the interval will decrease the PERCEIVED page load time (user experience?) +// but increase the TOTAL loading time (benchmarks?). +// [NOTE] Slower connections will want lower value (100000). +// Page load does not change dramatically for faster connections, +// so you may favor a smoother page load (360000). +// [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 -user_pref("content.notify.interval", 360000); // (.36s), default=120000 (.12s) - //user_pref("content.notify.ontimer", true); // DEFAULT +// [2] https://dev.opera.com/articles/efficient-javascript/?page=3#reflow +// [3] https://dev.opera.com/articles/efficient-javascript/?page=3#smoothspeed +user_pref("content.notify.interval", 100000); // alt=360000 (.36s) // PREF: set the minimum interval between session save operations // Increasing this can help on older machines and some websites, as well as reducing writes @@ -41,62 +66,49 @@ user_pref("content.notify.interval", 360000); // (.36s), default=120000 (.12s) //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: enable Lazy Image Loading -// https://www.ghacks.net/2020/02/15/firefox-75-gets-lazy-loading-support-for-images/ -//user_pref("dom.image-lazy-loading.enabled", true); // DEFAULT // PREF: disable preSkeletonUI on startup user_pref("browser.startup.preXulSkeletonUI", false); -// PREF: OffscreenCanvas -// [1] https://yashints.dev/blog/2019/05/11/offscreen-canvas -// [2] https://www.youtube.com/watch?v=CWvRA9E0DqU -// [3] https://developer.chrome.com/blog/offscreen-canvas/ -// [4] https://groups.google.com/a/mozilla.org/g/dev-platform/c/kp9SZL-0wW0 -//user_pref("gfx.offscreencanvas.enabled", true); // DEFAULT FF106+ - -// PREF: CSS Font Loading API in workers -// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1072107 -//user_pref("layout.css.font-loading-api.workers.enabled", true); // DEFAULT FF106+ - -// PREF: enable importMaps [FF108+] -// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1688879 -// [2] https://github.com/WICG/import-maps#the-basic-idea -// [3] https://caniuse.com/import-maps -//user_pref("dom.importMaps.enabled", true); // DEFAULT FF108+ - //user_pref("javascript.options.experimental.import_assertions", true); - /**************************************************************************** * SECTION: EXPERIMENTAL * ****************************************************************************/ -// PREF: WebGPU [HIGHLY EXPERIMENTAL!] [NIGHTLY] -// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1746245 -// [2] https://github.com/gpuweb/gpuweb/wiki/Implementation-Status -// [3] https://hacks.mozilla.org/2020/04/experimental-webgpu-in-firefox/ -// [4] https://developer.chrome.com/docs/web-platform/webgpu/ -//user_pref("dom.webgpu.enabled", true); - //user_pref("gfx.webgpu.force-enabled", true); - // PREF: about:home startup cache [NIGHTLY] // A cache for the initial about:home document that is loaded by default at startup // The purpose of the cache is to improve startup performance //user_pref("browser.startup.homepage.abouthome_cache.enabled", true); // PREF: CSS Masonry Layout [NIGHTLY] +// [1] https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Grid_Layout/Masonry_Layout user_pref("layout.css.grid-template-masonry-value.enabled", true); +// PREF: CSS Animation Composition [NIGHTLY] +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1785329 +// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1293490 +// [3] https://developer.mozilla.org/en-US/docs/Web/CSS/animation-composition +user_pref("layout.css.animation-composition.enabled", true); + // PREF: Prioritized Task Scheduling API [NIGHTLY] // [1] https://blog.mozilla.org/performance/2022/06/02/prioritized-task-scheduling-api-is-prototyped-in-nightly/ // [2] https://medium.com/airbnb-engineering/building-a-faster-web-experience-with-the-posttask-scheduler-276b83454e91 user_pref("dom.enable_web_task_scheduling", true); -// PREF: enable CSS Animation Composition [NIGHTLY] -// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1785329 -// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1293490 -// [3] https://developer.mozilla.org/en-US/docs/Web/CSS/animation-composition -user_pref("layout.css.animation-composition.enabled", true); +// PREF: inert HTML attribute [NIGHTLY] +//user_pref("html5.inert.enabled", true); + +// PREF: container query length units [NIGHTLY] +//user_pref("layout.css.container-queries.enabled", true); + +// PREF: scroll-linked animations [NIGHTLY] +//user_pref("layout.css.scroll-driven-animations.enabled", true); + +// PREF: HTML Sanitizer API [NIGHTLY] +//user_pref("dom.security.sanitizer.enabled", true); + +// PREF: Clear-Site-Data: "cache" header [NIGHTLY] +// [1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Clear-Site-Data +//user_pref("privacy.clearsitedata.cache.enabled", true); // PREF: Shadowrealms [NIGHTLY] // [1] https://github.com/tc39/proposal-shadowrealm/blob/main/explainer.md#introduction @@ -108,14 +120,27 @@ user_pref("layout.css.animation-composition.enabled", true); //user_pref("javascript.options.wasm_gc", true); //user_pref("javascript.options.wasm_function_references", true); +// PREF: import assertions [NIGHTLY] +//user_pref("javascript.options.experimental.import_assertions", true); + // PREF: Array.fromAsync [NIGHTLY] // [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1795452 //user_pref("javascript.options.experimental.array_grouping", true); //user_pref("javascript.options.experimental.enable_change_array_by_copy", true); -// PREF: not yet categorized / need documentation [NIGHTLY] -//user_pref("javascript.options.experimental.iterator_helpers", true); -//user_pref("javascript.options.experimental.weakrefs.expose_cleanupSome", true); +// PREF: indexedDB +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1112702 +//user_pref("dom.indexedDB.preprocessing", true); +//user_pref("dom.indexedDB.experimental", false); // DEFAULT + +// PREF: WebGPU [HIGHLY EXPERIMENTAL!] +// [WARNING] Do not enable unless you are a web developer! +// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1746245 +// [2] https://developer.chrome.com/docs/web-platform/webgpu/ +// [3] https://github.com/gpuweb/gpuweb/wiki/Implementation-Status +// [4] https://hacks.mozilla.org/2020/04/experimental-webgpu-in-firefox/ +//user_pref("dom.webgpu.enabled", true); + //user_pref("gfx.webgpu.force-enabled", true); /**************************************************************************** * SECTION: MAKE FIREFOX FAST * @@ -138,11 +163,11 @@ user_pref("layout.css.animation-composition.enabled", true); user_pref("gfx.webrender.all", true); // enables WR (GPU) + additional features user_pref("gfx.webrender.precache-shaders", true); user_pref("gfx.webrender.compositor", true); - //user_pref("gfx.webrender.compositor.force-enabled", true); // reinforce + //user_pref("gfx.webrender.compositor.force-enabled", true); // enforce user_pref("layers.gpu-process.enabled", true); - //user_pref("layers.gpu-process.force-enabled", true); // reinforce + //user_pref("layers.gpu-process.force-enabled", true); // enforce user_pref("media.hardware-video-decoding.enabled", true); - //user_pref("media.hardware-video-decoding.force-enabled", true); // reinforce + //user_pref("media.hardware-video-decoding.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/ @@ -175,14 +200,6 @@ user_pref("media.memory_caches_combined_limit_kb", 2560000); // preferred=314572 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 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) -// PREF: disable QUIC for faster upload speeds -// Firefox currently has a bug with impacting upload speeds with HTTP3 -// [TEST] https://speedof.me/ -// [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1753486 -// [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1596576 -//user_pref("network.http.http3.enable", false); // disables HTTP3/QUIC -//user_pref("network.http.http2.chunk-size", 32000); // preferred=48000; default=16000 [needed?] - // PREF: disable AV1 for hardware decodeable videos // AV1 uses software (CPU-based) decoding // Firefox sometimes uses AV1 video decoding even to GPUs which do not support it @@ -195,17 +212,19 @@ user_pref("media.cache_resume_threshold", 6000); // default=30; when a network c // PREF: disk cache // [EXTENSION] https://addons.mozilla.org/en-US/firefox/addon/cache-longer/ -//user_pref("browser.cache.disk.enable", true); // overrides Securefox -//user_pref("browser.cache.disk.max_entry_size", 51200); // DEFAULT -//user_pref("browser.cache.disk.smart_size.enabled", false); // disable adaptive cache size on disk +// More efficient to keep the browser cache instead of +// having to re-download objects for the websites you visit frequently +//user_pref("browser.cache.disk.enable", true); // DEFAULT; overrides Securefox //user_pref("browser.cache.disk.capacity", 8192000); // 8 GB cache on disk -//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 -//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) + //user_pref("browser.cache.disk.smart_size.enabled", false); // disable adaptive cache size on disk +//user_pref("browser.cache.disk.max_entry_size", 51200); // DEFAULT +//user_pref("browser.cache.max_shutdown_io_lag", 8); // number of seconds the cache spends writing pending data and closing files after shutdown has been signalled +//user_pref("browser.cache.frecency_half_life_hours", 6); // DEFAULT; lower cache sweep intervals, the half life used to re-compute cache entries frequency (in hours) // PREF: increase memory cache size // [1] https://www.makeuseof.com/tag/how-much-data-does-youtube-use/ -//user_pref("browser.cache.memory.capacity", -1); // enforce DEFAULT; 256000=256MB, 512000=512MB, 1024000=1GB, 2097152=2GB, 5242880=5GB, 8388608=8GB -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 +//user_pref("browser.cache.memory.capacity", -1); // DEFAULT; 256000=256MB, 512000=512MB, 1024000=1GB, 2097152=2GB, 5242880=5GB, 8388608=8GB +user_pref("browser.cache.memory.max_entry_size", 153600); // alt=51200; preferred=327680 ; alt= -1 -> entries bigger than than 90% of the mem-cache are never cached /**************************************************************************** * SECTION: NETWORK * @@ -227,22 +246,12 @@ user_pref("network.buffer.cache.count", 128); // preferred=240; default=24 //user_pref("network.http.pacing.requests.min-parallelism", 18); // default=6 // PREF: increase DNS cache -user_pref("network.dnsCacheEntries", 20000); -user_pref("network.dnsCacheExpiration", 3600); // keep entries for 1 hour -user_pref("network.dnsCacheExpirationGracePeriod", 240); +//user_pref("network.dnsCacheEntries", 20000); +user_pref("network.dnsCacheExpiration", 3600); // keep entries for 1 hour +user_pref("network.dnsCacheExpirationGracePeriod", 240); // 4 minutes // PREF: increase TLS token caching -user_pref("network.ssl_tokens_cache_capacity", 32768); // default=2048; faster SSL (fast reconnects) - -// These do not help speed: -// PREF: DoH requests -//user_pref("network.trr.request_timeout_ms", 800); // default=1500 - //user_pref("network.trr.retry-timeout-ms", 125); // DEFAULT -//user_pref("network.trr.request_timeout_mode_trronly_ms", 15000); // default=30000 -// PREF: close a connection if tls handshake does not finish in given number of seconds -//user_pref("network.http.tls-handshake-timeout", 20); // default=30 -// PREF: timeout connections if an initial response is not received in number of seconds -//user_pref("network.http.response.timeout", 200); // default=300 +user_pref("network.ssl_tokens_cache_capacity", 32768); // default=2048; more TLS token caching (fast reconnects) /**************************************************************************** * SECTION: SPECULATIVE CONNECTIONS * @@ -268,9 +277,9 @@ user_pref("network.ssl_tokens_cache_capacity", 32768); // default=2048; faster S //user_pref("network.predictor.enabled", true); // overrides SecureFox //user_pref("network.predictor.enable-prefetch", true); // overrides SecureFox //user_pref("network.predictor.enable-hover-on-ssl", true); - //user_pref("network.predictor.preresolve-min-confidence", 10); // default=60; alt=40 - //user_pref("network.predictor.preconnect-min-confidence", 20); // default=90; alt=70 - //user_pref("network.predictor.prefetch-min-confidence", 30); // default=100; alt=80 + //user_pref("network.predictor.preresolve-min-confidence", 40); // default=60; alt=10 + //user_pref("network.predictor.preconnect-min-confidence", 60); // default=90; alt=20 + //user_pref("network.predictor.prefetch-min-confidence", 80); // default=100; alt=30 //user_pref("network.predictor.prefetch-force-valid-for", 3600); // default=10 //user_pref("network.predictor.prefetch-rolling-load-count", 120); // default=10 //user_pref("network.predictor.max-resources-per-entry", 250); // default=100