This script optimizes YouTube's performance by modifying configs, shorts redirect and much more!
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// ==UserScript==
// @name YouTube Web Tweaks
// @version 2.6.1
// @description This script optimizes YouTube's performance by modifying 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-start
// @grant none
// ==/UserScript==
// Modifiying yt.config flags to optimize loading times and disables animations
(function() {
window['yt'] = window['yt'] || {};
yt['config_'] = yt.config_ || {};
yt.config_['EXPERIMENT_FLAGS'] = yt.config_.EXPERIMENT_FLAGS || {};
var iv = setInterval(function() {
yt.config_.IS_TABLET = true;
yt.config_.DISABLE_YT_IMG_DELAY_LOADING = true;
yt.config_.EXPERIMENT_FLAGS.polymer_verifiy_app_state = false;
yt.config_.EXPERIMENT_FLAGS.warm_load_nav_start_web = false;
yt.config_.EXPERIMENT_FLAGS.kevlar_player_response_swf_config_wrapper_killswitch = false;
yt.config_.EXPERIMENT_FLAGS.desktop_delay_player_resizing = false;
yt.config_.EXPERIMENT_FLAGS.desktop_player_touch_gestures = false;
yt.config_.EXPERIMENT_FLAGS.web_animated_like = false;
yt.config_.EXPERIMENT_FLAGS.web_animated_like_lazy_load = false;
yt.config_.EXPERIMENT_FLAGS.render_unicode_emojis_as_small_images = true;
yt.config_.EXPERIMENT_FLAGS.kevlar_refresh_on_theme_change = false;
yt.config_.EXPERIMENT_FLAGS.kevlar_watch_cinematics = false;
yt.config_.EXPERIMENT_FLAGS.kevlar_watch_comments_panel_button = true;
yt.config_.EXPERIMENT_FLAGS.kevlar_watch_hide_comments_while_panel_open = true;
yt.config_.EXPERIMENT_FLAGS.kevlar_watch_comments_ep_disable_theater = false;
}, 1);
var to = setTimeout(function() {
clearInterval(iv);
}, 1000)
})();
// Redirect shorts to watch page (Anti-Shorts script is required for faster experience)
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);
};
// CSS adjustments and other tweaks to apply (including removal of ads)
(function() {
ApplyCSS();
function ApplyCSS() {
var styles = document.createElement("style");
styles.innerHTML=`
/* Remove 'Learning, Fashion and Podcasts' tab from the sidebar menu */
ytd-guide-entry-renderer > a[href*="/channel/UCrpQ4p1Ql_hG8rKXIKM1MOQ"] {
display: none !important;
}
ytd-guide-entry-renderer > a[href*="/channel/UCtFRv9O2AHqOZjjynzrv-xg"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="Podcasts"] {
display: none !important;
}
/* Remove 'YouTube Kids' and 'YouTube TV' tabs from the 'More from YouTube' sidebar menu */
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="YouTube Kids"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="YouTube TV"] {
display: none !important;
}
/* Remove 'YouTube Music' tab if users have YouTube Premium */
#endpoint.yt-simple-endpoint.ytd-guide-entry-renderer.style-scope[title="YouTube Music"] {
display: none !important;
}
#endpoint.yt-simple-endpoint.ytd-mini-guide-entry-renderer.style-scope[title="YouTube Music"] {
display: none !important;
}
/* Remove ads and annoyances */
#player-ads,
.adDisplay,
.ad-container,
.ytd-display-ad-renderer,
.video-ads,
#masthead-ad {
display: none !important;
}
ytd-promoted-video-renderer.style-scope.ytd-in-feed-ad-layout-renderer {
display: none !important;
}
.ytd-mealbar-promo-renderer {
display: none !important;
}`
document.head.appendChild(styles);
}
})();
let video
const observer = new MutationObserver(mutations => {
for(const mutation of mutations) {
for(const addedNode of mutation.addedNodes) {
if(addedNode.className && (addedNode.classList.contains("ytp-ad-skip-button-slot") || addedNode.classList.contains("ytp-ad-overlay-close-button"))) {
console.log("ytp-ad")
addedNode.click()
} else if(addedNode.className && addedNode.classList.contains("ad-showing")) {
console.log("ad-showing")
if(!isNaN(video.duration)) {
video.play()
video.currentTime = video.duration
}
} else if(addedNode.tagName === "VIDEO" && addedNode.classList.contains("html5-main-video")) {
console.log("video")
video = addedNode
video.addEventListener("durationupdate", () => {
console.log("durationupdate")
video.play()
video.currentTime = video.duration
})
video.addEventListener("timeupdate", () => {
const adSkipButton = document.querySelector(".ytp-ad-skip-button-slot button,.ytp-ad-overlay-close-button")
if(adSkipButton) {
adSkipButton.click()
}
if(document.querySelector(".ad-showing")) {
if(!isNaN(video.duration)) {
video.play()
video.currentTime = video.duration
}
}
})
}
}
}
})
observer.observe(document.documentElement, { subtree: true, childList: true, attributes: true })
var interval = setInterval(function() {
window.wrappedJSObject._lact = Date.now();
}, 300000);