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This script optimizes YouTube's performance by modified configs, shorts redirect and much more!
// ==UserScript==
// @name YouTube Web Tweaks
// @version 4.1.1
// @description This script optimizes YouTube's performance by modified configs, shorts redirect and much more!
// @author Magma_Craft
// @license MIT
// @match *://www.youtube.com/*
// @namespace https://greasyfork.org/en/users/933798
// @icon https://www.youtube.com/favicon.ico
// @unwrap
// @run-at document-end
// @unwrap
// @grant none
// ==/UserScript==
// Enable strict mode to catch common coding mistakes
"use strict";
// Define the flags to assign to the EXPERIMENT_FLAGS object
const flagsToAssign = {
// Standard tweaks (YT config editor + Disable animations)
IS_TABLET: true,
DISABLE_YT_IMG_DELAY_LOADING: true,
polymer_verifiy_app_state: false,
desktop_delay_player_resizing: false,
web_animated_actions: false,
web_animated_like: false,
web_animated_like_lazy_load: false,
render_unicode_emojis_as_small_images: true,
kevlar_refresh_on_theme_change: false,
kevlar_watch_cinematics: false,
// More tweaks (Includes Watch layout fixes)
web_player_enable_featured_product_banner_exclusives_on_desktop: false,
kevlar_watch_comments_ep_disable_theater: true,
kevlar_watch_comments_panel_button: true,
fill_view_models_on_web_vod: true,
kevlar_watch_flexy_metadata_height: 136,
kevlar_watch_grid: false,
kevlar_watch_max_player_width: 1280,
live_chat_over_engagement_panels: false,
live_chat_scaled_height: false,
live_chat_smaller_min_height: false,
main_app_controller_extraction_batch_18: false,
main_app_controller_extraction_batch_19: false,
no_iframe_for_web_stickiness: false,
optimal_reading_width_comments_ep: false,
remove_masthead_channel_banner_on_refresh: false,
small_avatars_for_comments: false,
small_avatars_for_comments_ep: false,
web_watch_compact_comments: false,
web_watch_compact_comments_header: false,
web_watch_log_theater_mode: false,
web_watch_theater_chat: false,
web_watch_theater_fixed_chat: false,
wn_grid_max_item_width: 0,
wn_grid_min_item_width: 0
};
const updateFlags = () => {
// Check if the EXPERIMENT_FLAGS object exists in the window.yt.config_ property chain
const expFlags = window?.yt?.config_?.EXPERIMENT_FLAGS;
// If EXPERIMENT_FLAGS is not found, exit the function
if (!expFlags) return;
// Assign the defined flags to the EXPERIMENT_FLAGS object
Object.assign(expFlags, flagsToAssign);
};
// Create a MutationObserver that calls the updateFlags function when changes occur in the document's subtree
const mutationObserver = new MutationObserver(updateFlags);
mutationObserver.observe(document, { subtree: true, childList: true });
// Other adjustments to be tweaked (Re-adding Explore tab, redirecting shorts to watch, wtc...)
function waitForElm(selector) {
return new Promise(resolve => {
if (document.querySelector(selector)) {
return resolve(document.querySelector(selector));
}
const observer = new MutationObserver(mutations => {
if (document.querySelector(selector)) {
resolve(document.querySelector(selector));
observer.disconnect();
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
});
}
function restoreTrending() {
var trendingData = {
"navigationEndpoint": {
"clickTrackingParams": "CBwQtSwYASITCNqYh-qO_fACFcoRrQYdP44D9Q==",
"commandMetadata": {
"webCommandMetadata": {
"url": "/feed/explore",
"webPageType": "WEB_PAGE_TYPE_BROWSE",
"rootVe": 6827,
"apiUrl": "/youtubei/v1/browse"
}
},
"browseEndpoint": {
"browseId": "FEtrending"
}
},
"icon": {
"iconType": "EXPLORE"
},
"trackingParams": "CBwQtSwYASITCNqYh-qO_fACFcoRrQYdP44D9Q==",
"formattedTitle": {
"simpleText": "Explore"
},
"accessibility": {
"accessibilityData": {
"label": "Explore"
}
},
"isPrimary": true
};
var guidetemplate = `<ytd-guide-entry-renderer class="style-scope ytd-guide-section-renderer" is-primary="" line-end-style="none"><!--css-build:shady--><a id="endpoint" class="yt-simple-endpoint style-scope ytd-guide-entry-renderer" tabindex="-1" role="tablist"><tp-yt-paper-item role="tab" class="style-scope ytd-guide-entry-renderer" tabindex="0" aria-disabled="false"><!--css-build:shady--><yt-icon class="guide-icon style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><yt-img-shadow height="24" width="24" class="style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-img-shadow><yt-formatted-string class="title style-scope ytd-guide-entry-renderer"><!--css-build:shady--></yt-formatted-string><span class="guide-entry-count style-scope ytd-guide-entry-renderer"></span><yt-icon class="guide-entry-badge style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><div id="newness-dot" class="style-scope ytd-guide-entry-renderer"></div></tp-yt-paper-item></a><yt-interaction class="style-scope ytd-guide-entry-renderer"><!--css-build:shady--><div class="stroke style-scope yt-interaction"></div><div class="fill style-scope yt-interaction"></div></yt-interaction></ytd-guide-entry-renderer>`;
document.querySelector(`#items > ytd-guide-entry-renderer:nth-child(2)`).data = trendingData;
var miniguidetemplate = `<ytd-mini-guide-entry-renderer class="style-scope ytd-mini-guide-section-renderer" is-primary="" line-end-style="none"><!--css-build:shady--><a id="endpoint" class="yt-simple-endpoint style-scope ytd-guide-entry-renderer" tabindex="-1" role="tablist"><tp-yt-paper-item role="tab" class="style-scope ytd-guide-entry-renderer" tabindex="0" aria-disabled="false"><!--css-build:shady--><yt-icon class="guide-icon style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><yt-img-shadow height="24" width="24" class="style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-img-shadow><yt-formatted-string class="title style-scope ytd-guide-entry-renderer"><!--css-build:shady--></yt-formatted-string><span class="guide-entry-count style-scope ytd-guide-entry-renderer"></span><yt-icon class="guide-entry-badge style-scope ytd-guide-entry-renderer" disable-upgrade=""></yt-icon><div id="newness-dot" class="style-scope ytd-guide-entry-renderer"></div></tp-yt-paper-item></a><yt-interaction class="style-scope ytd-guide-entry-renderer"><!--css-build:shady--><div class="stroke style-scope yt-interaction"></div><div class="fill style-scope yt-interaction"></div></yt-interaction></ytd-guide-entry-renderer>`;
document.querySelector(`#items > ytd-mini-guide-entry-renderer:nth-child(2)`).data = trendingData;
}
waitForElm("#items.ytd-guide-section-renderer").then((elm) => {
restoreTrending();
});
waitForElm("#items.ytd-mini-guide-section-renderer").then((elm) => {
restoreTrending();
});
var styles = document.createElement("style");
styles.innerHTML=`
/* Remove Shorts, Trending, Podcasts and Shopping buttons to make the sidebar less almost prior to late 2022 */
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Shorts"],
a.yt-simple-endpoint.style-scope.ytd-mini-guide-entry-renderer[title="Shorts"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Trending"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Podcasts"] {
display: none !important;
}
ytd-guide-entry-renderer > a[href*="/channel/UCkYQyvc_i9hXEo4xic9Hh2g"] {
display: none !important;
}
/* Remove filter categories on search results and playlists to make the UI less usable on low-entry machines */
ytd-item-section-renderer.style-scope.ytd-section-list-renderer[page-subtype="playlist"] > #header.ytd-item-section-renderer > ytd-feed-filter-chip-bar-renderer {
display: none !important;
}
div#chip-bar.style-scope.ytd-search-header-renderer > yt-chip-cloud-renderer.style-scope.ytd-search-header-renderer > div#container.style-scope.yt-chip-cloud-renderer {
display: none !important;
}
/* Revert video list (aka compact right sidebar) */
ytd-watch-flexy #comment-teaser.ytd-watch-metadata {
display: none;
}
ytd-watch-flexy #dismissible.ytd-rich-grid-media {
flex-direction: row;
}
ytd-watch-flexy #attached-survey.ytd-rich-grid-media,
ytd-watch-flexy #avatar-link.ytd-rich-grid-media {
display: none;
}
ytd-watch-flexy ytd-thumbnail.ytd-rich-grid-media,
ytd-watch-flexy ytd-playlist-thumbnail.ytd-rich-grid-media {
margin-right: 8px;
height: 94px;
width: 168px;
}
ytd-watch-flexy ytd-thumbnail[size=large] a.ytd-thumbnail, ytd-watch-flexy ytd-thumbnail[size=large]:before {
border-radius: 8px;
}
ytd-watch-flexy ytd-rich-item-renderer,
ytd-watch-flexy ytd-rich-grid-row #contents.ytd-rich-grid-row {
margin: 0;
}
ytd-watch-flexy ytd-rich-item-renderer[reduced-bottom-margin] {
margin-top: 8px;
margin-bottom: 0;
}
ytd-watch-flexy ytd-rich-grid-renderer[reduced-top-margin] #contents.ytd-rich-grid-renderer {
padding-top: 8px;
}
ytd-watch-flexy ytd-rich-grid-media {
margin-bottom: 8px;
}
ytd-watch-flexy ytd-video-meta-block[rich-meta] #metadata-line.ytd-video-meta-block,
ytd-watch-flexy #channel-name.ytd-video-meta-block {
font-family: "Roboto", "Arial", sans-serif;
font-size: 1.2rem;
line-height: 1.8rem;
font-weight: 400;
}
ytd-watch-flexy #video-title.ytd-rich-grid-media {
margin: 0 0 4px 0;
display: block;
font-family: "Roboto", "Arial", sans-serif;
font-size: 1.4rem;
line-height: 2rem;
font-weight: 500;
overflow: hidden;
display: block;
max-height: 4rem;
-webkit-line-clamp: 2;
display: box;
display: -webkit-box;
-webkit-box-orient: vertical;
text-overflow: ellipsis;
white-space: normal;
}
ytd-watch-flexy h3.ytd-rich-grid-media {
margin: 0;
}
ytd-watch-flexy .title-badge.ytd-rich-grid-media, ytd-watch-flexy .video-badge.ytd-rich-grid-media {
margin-top: 0;
}
ytd-watch-flexy ytd-rich-section-renderer.style-scope.ytd-rich-grid-renderer {
display: none;
}`;
document.head.appendChild(styles);
var oldHref = document.location.href;
if (window.location.href.indexOf('youtube.com/shorts') > -1) {
window.location.replace(window.location.toString().replace('/shorts/', '/watch?v='));
}
window.onload = function() {
var bodyList = document.querySelector("body")
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (oldHref != document.location.href) {
oldHref = document.location.href;
console.log('location changed!');
if (window.location.href.indexOf('youtube.com/shorts') > -1) {
window.location.replace(window.location.toString().replace('/shorts/', '/watch?v='));
}
}
});
});
var config = {
childList: true,
subtree: true
};
observer.observe(bodyList, config);
};
Object.defineProperties(document, { /*'hidden': {value: false},*/ 'webkitHidden': {value: false}, 'visibilityState': {value: 'visible'}, 'webkitVisibilityState': {value: 'visible'} });
setInterval(function(){
document.dispatchEvent( new KeyboardEvent( 'keyup', { bubbles: true, cancelable: true, keyCode: 143, which: 143 } ) );
}, 60000);