reintroduced+fixed two prefs that were regressions

FastFox.js

@@ -1,121 +1,145 @@
 //
-/******************************************************************************
+/****************************************************************************
  * FasterFox																*
  * priority: speedy browsing 												*
- * url: https://github.com/hjstephens09/Better-Fox							  *
+ * version: 28 March 2020													*
- ******************************************************************************/
+ * url: https://github.com/yokoffing/Better-Fox	  							*
+ ***************************************************************************/
 
-
+/****************************************************************************
-/******************************************************************************
  * 																			*
- * [NOTE] For best performance on older hardware, you will need to test
+ * [NOTE] For best performance on older hardware, you will need to test     *
- * these settings individually. 											  *
+ * these settings individually, especially Webrender. 						*
  * 																			*
-******************************************************************************/
+****************************************************************************/
-
 
 // PREF: Activate Webrender, Firefox's new rendering engine
-// Scroll webpages @ 60 FPS
+// [!] Webrender is still under active development.
+// [BUG] Occasionally gives you "judder scroll" on sites with a lot of
+// images. But the tradeoff is worth it.
 // [1] https://hacks.mozilla.org/2017/10/the-whole-web-at-maximum-fps-how-webrender-gets-rid-of-jank/
 // [2] https://wiki.mozilla.org/Platform/GFX/WebRender_Where
+// [3] https://www.reddit.com/r/firefox/comments/fo1jwz/make_firefox_faster/flhh5l2/
+// default=false (blacklisted on some machines still, especially macOS)
 user_pref("gfx.webrender.all", true);
 
-// PREF: Lazy Image Loading
-// [1] https://www.ghacks.net/2020/02/15/firefox-75-gets-lazy-loading-support-for-images/
- user_pref("dom.image-lazy-loading.enabled", true);
-
 // PREF: Paint visuals on the webpage as fast as possible
-// Lower values will make a page initially display more quickly, but will make the page take longer to finish rendering.
+// Lower values will make a page initially display more quickly, but they
-// Higher values will have the opposite effect.
+// will make the page take longer to finish rendering. Higher values will
+// have the opposite effect (i.e. page initially displays slower, but less
+// time is spent watching it render).
 // [1] http://kb.mozillazine.org/Nglayout.initialpaint.delay
 // [2] https://botw.org/articles/firefox-about-config.htm
-// 0=immediate, 250=default
+// default=250
 user_pref("nglayout.initialpaint.delay", 0); 
 
-// PREF: Prevent FF from going offline
+// PREF: Prioritize page load over immediate responsiveness
-// FF manages network connectivity poorly. It'll stall your browsing if your connectivity goes out, even for a second.
+// [!] Only use if you have a high-speed connection
-// It can make you think your wifi is down, etc. Best to disable unless you need it.
+// default=true
-// [1] https://lifehacker.com/stop-firefox-from-automatically-entering-work-offline-5714560 ***/
+user_pref("content.notify.ontimer", false); // [HIDDEN]
-user_pref("network.manage-offline-status", false);
+user_pref("content.interrupt.parsing", false); // [HIDDEN]
 
 // PREF: Increase active connections
-// According to the default value, there will be 6 active connections kept for future requests to a server.
+// According to the default value, there will be 6 active connections kept
-// If, at some point, more connections are needed, a delay will occur until there is a slot available.
+// for future requests to a server. If, at some point, more connections are
-// To avoid any idle periods, we can set more alive connections, thus forcing the browser to load several elements of a website.
+// needed, a delay will occur until there is a slot available. To avoid any
+// idle periods, we can set more alive connections, thus forcing the browser
+// to load several elements of a website.
 // [1] https://www.download3k.com/articles/How-To-Optimize-Firefox-By-Tweaking-Hidden-Settings-In-The-about-config-Page-01955#Network.http.max-connections
-// [WARNING] Don't go past 10 or websites may temporarily blacklist your IP!
+// [!] Assumes high-speed connection
+// [!] Don't go past 10 or websites may temporarily blacklist your IP!
 // default=6
 user_pref("network.http.max-persistent-connections-per-server", 10);
 
 // PREF: Increase communication channels
-// Perform this change in order to open communication channels with the server, and consequently load several elements of the website.
+// Increased browser speed shall be mainly observed in pages that contain
-// Increased browser speed shall be mainly observed in pages that contain data such as images and videos, which slow down loading times.
+// images and videos, which normally slow down loading times. The range of
-// The range of value for this setting goes from 1 to 65535. However, it is rather unreasonable to increase it to the maximum
+// value for this setting goes from 1 to 65535. However, it is rather
-// allowed value, and subsequently strain the system, so give it a try with a value of 1500.
+// unreasonable to increase it to the maximum allowed value, and
+// subsequently strain the system.
+// [!] Users on slower connections may want to reduce this number to help
+// prevent HTTP connection timeouts. Users on faster connections may want to
+// increase it, but the default value is usually fine for normal usage.
 // [1] https://www.download3k.com/articles/How-To-Optimize-Firefox-By-Tweaking-Hidden-Settings-In-The-about-config-Page-01955#Network.http.max-persistent-connections-per-server
 // default=900
-user_pref("network.http.max-connections", 1500);
+user_pref("network.http.max-connections", 2000);
 
-// PREF: Increase the memory capacity in Firefox, in order to load more pages faster
+// PREF: Increase memory capacity in order to load more pages faster
-// If you enter a high value, but you don’t have a lot of RAM in your computer (e.g. 2GB),
+// If you enter a high value, but you don’t have a lot of RAM in your
-// then you’ll just decrease the overall system speed. So pick wisely, and test the browser
+// computer (e.g. 2GB), then you’ll just decrease the overall system speed.
-// (and overall system) performance before leaving this value changed permanently.
+// So pick wisely, and test the browser (and overall system) performance
-// NOTE: If you notice that it’s not working for you, then revert it to its default value.
+// before leaving this value changed permanently.
 // [1] https://www.download3k.com/articles/How-To-Optimize-Firefox-By-Tweaking-Hidden-Settings-In-The-about-config-Page-01955
 // default=250 -> 250KB, 51200 -> 50MB
 user_pref("browser.cache.disk.metadata_memory_limit", 51200);
 
-// PREF: Hide image placeholders
+// PREF: Prevent FF from going offline
-// default=true
+// Firefox manages network connectivity poorly. It'll stall your browsing if
-user_pref("browser.display.show_image_placeholders", false);
+// your connectivity goes out, even for a second. It can make you think your
+// wifi is down, etc. Best to disable unless you need it.
+// [1] https://lifehacker.com/stop-firefox-from-automatically-entering-work-offline-5714560 ***/
+user_pref("network.manage-offline-status", false);
+
+// PREF: Lazy Image Loading
+// [1] https://www.ghacks.net/2020/02/15/firefox-75-gets-lazy-loading-support-for-images/
+user_pref("dom.image-lazy-loading.enabled", true);
+
+// PREF: Reduce animation time for fullscreen animations for HTML5 content
+user_pref("full-screen-api.transition-duration.enter", "0 0");
+user_pref("full-screen-api.transition-duration.leave", "0 0");
 
 // PREF: Decrease delay of security dialog when downloading extensions
-user_pref("security.dialog_enable_delay", 0);
+user_pref("security.dialog_enable_delay", 0); // default=1000
 
 // PREF: Disable Firefox animations 
-// Use for old, slow hardware if Firefox gives you laggy performance
+// Use for old, slow hardware if Firefox gives you laggy performance.
 // default=false
 // user_pref("toolkit.cosmeticAnimations.enabled", true);
 
-// PREF: Disable Reader mode
+// PREF: Reduce memory usage when Firefox is minimized [WINDOWS-only]
-// Firefox will not have to parse webpage when navigating
+// user_pref("config.trim_on_minimize", true);
-// user_pref("reader.parse-on-load.enabled", true);
 
-
+/****************************************************************************
-/******************************************************************************
+ * SECTION: REMOVED 														*
- * SECTION: RETIRED				                                             *
+****************************************************************************/
- ******************************************************************************/
 
 // PREF: Modify Firefox responsiveness while rendering
-// WARNING: After nglayout.initialpaint.delay has been created and modified, Firefox may speed up rendering while annoying you with
+// [!] After <nglayout.initialpaint.delay> has been created and modified,
-// constant adjustments as you scroll through that new content. The preference content.switch.threshold controls Firefox
+// Firefox may speed up rendering while annoying you with constant
-// responsiveness to your input (i.e. responsiveness to the UI) at the expense of slightly slowing the page load. Since
+// adjustments as you scroll through that new content. The preference
-// you’ve already minimized the page load time, that shouldn’t be too much of a sacrifice.
+// <content.switch.threshold> controls Firefox responsiveness to your input
+// (i.e. responsiveness to the UI) at the expense of slightly slowing the
+// page load. Since you’ve already minimized the page load time, that
+// shouldn’t be too much of a sacrifice.
 
-// Firefox has two modes of user interaction with web pages that are still loading: high frequency interrupt mode and
+// Firefox is configured to apply low frequency mode after 0.75 seconds of
-// low frequency interrupt mode. The high mode better tolerates user interactions with the content. What this controls is
+// user inactivity. Every time the browser goes to low frequency mode, it
-// the number of microseconds of inactivity that will activate low frequency interrupt mode. In other words, it controls how long
+// becomes faster at loading pages. Therefore, it is beneficial to reduce
-// you have to do nothing before Firefox assumes you are waiting for the whole page to load.
+// the time it takes for FF to enter low frequency mode. Thus, a value of
-
+// 0.25 seconds (250000 ms) should be fine for that purpose.
-// Firefox is configured to apply low frequency mode after 0.75 seconds of user inactivity. Every time the browser goes to
-// low frequency mode, it becomes faster at loading pages. Therefore, it is beneficial to reduce the time it takes for FF
-// to enter low frequency mode. Thus, a value of 0.25 seconds (250000 ms) should be fine for that purpose.
 
 // "Raising the value will make the application more responsive at the expense of page load time.” 
+// [!] <content.notify.ontimer> and <content.interrupt.parsing> must
+// be set to true for this preference to take effect. 
 // [1] https://www.download3k.com/articles/How-To-Optimize-Firefox-By-Tweaking-Hidden-Settings-In-The-about-config-Page-01955#content-switch.threshold
 // [2] https://botw.org/articles/firefox-about-config.htm
-// user_pref("content.interrupt.parsing", true); // [HIDDEN] default=false
+// user_pref("content.notify.ontimer", true); // [HIDDEN] default=true
+// user_pref("content.interrupt.parsing", true); // [HIDDEN] default=true
 // user_pref("content.switch.threshold", 250000); // [HIDDEN] default=750000
 
 
 // PREF: Increase speed of gradual rendered elements
-// The function of this setting is associated with the gradual display of rendered elements on a page.
+// The function of this setting is associated with the gradual display of
-// In practice, a page is not loaded completely at once, but it is loaded gradually. Every time a new element is loaded,
+// rendered elements on a page. In practice, a page is not loaded completely
-// the page is refreshed, and the default interval for this function is set to 0.12 seconds (in other words, the page displays
+// at once, but it is loaded gradually. Every time a new element is loaded,
-// new elements every 0.12 seconds). However, since these redraws will increase the total page load time, you can set a new value
+// the page is refreshed, and the default interval for this function is set
-// of 500000(ms), which corresponds to 0.5 sec.
+// to 0.12 seconds (in other words, the page displays new elements every
+// 0.12 seconds). However, since these redraws will increase the total page
+// load time, you can set a new value of 500000(ms), which corresponds to
+// 0.5 sec (an increase).
+// [!] Lowering the interval will lower the perceived page loading time but increase the total loading time, especially on slower connections.
 // [1] https://www.download3k.com/articles/How-To-Optimize-Firefox-By-Tweaking-Hidden-Settings-In-The-about-config-Page-01955
-// user_pref("content.notify.ontimer", true); // [HIDDEN]
+// user_pref("content.notify.ontimer", true); // [HIDDEN] default=true
-// user_pref("content.notify.interval", 500000); // [HIDDEN]
+// user_pref("content.notify.interval", 500000); // [HIDDEN] default=120000