YouTube Web Tweaks

This script optimizes YouTube's performance by modified configs and much more!

Pada tanggal 26 Agustus 2025. Lihat %(latest_version_link).

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         YouTube Web Tweaks
// @version      4.2.7
// @description  This script optimizes YouTube's performance by modified configs 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,
  smartimation_background: false,
  kevlar_refresh_on_theme_change: false,
  // Disable cinematics (aka ambient lighting)
  kevlar_measure_ambient_mode_idle: false,
  kevlar_watch_cinematics_invisible: false,
  web_cinematic_theater_mode: false,
  web_cinematic_fullscreen: false,
  enable_cinematic_blur_desktop_loading: false,
  kevlar_watch_cinematics: false,
  web_cinematic_masthead: false,
  web_watch_cinematics_preferred_reduced_motion_default_disabled: false
};

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 tweaks to be added
(function() {
let css = `

/* Hide ads, shorts, etc using CSS */
.ytd-search ytd-shelf-renderer, ytd-reel-shelf-renderer, ytd-merch-shelf-renderer, ytd-action-companion-ad-renderer, ytd-display-ad-renderer, ytd-rich-section-renderer, ytd-video-masthead-ad-advertiser-info-renderer, ytd-video-masthead-ad-primary-video-renderer, ytd-in-feed-ad-layout-renderer, ytd-ad-slot-renderer, ytd-statement-banner-renderer, ytd-banner-promo-renderer-background ytd-ad-slot-renderer, ytd-in-feed-ad-layout-renderer, .ytwPanelAdHeaderImageLockupViewModelHost, ytd-ads-engagement-panel-content-renderer, #content.ytd-ads-engagement-panel-content-renderer, ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-ads"], ytd-rich-item-renderer:has(> #content > ytd-ad-slot-renderer), .ytd-video-masthead-ad-v3-renderer, div#root.style-scope.ytd-display-ad-renderer.yt-simple-endpoint, div#sparkles-container.style-scope.ytd-promoted-sparkles-web-renderer, div#main-container.style-scope.ytd-promoted-video-renderer, div#player-ads.style-scope.ytd-watch-flexy, #clarify-box, ytm-rich-shelf-renderer, ytm-search ytm-shelf-renderer, ytm-button-renderer.icon-avatar_logged_out, ytm-companion-slot, ytm-reel-shelf-renderer, ytm-merch-shelf-renderer, ytm-action-companion-ad-renderer, ytm-display-ad-renderer, ytm-rich-section-renderer, ytm-video-masthead-ad-advertiser-info-renderer, ytm-video-masthead-ad-primary-video-renderer, ytm-in-feed-ad-layout-renderer, ytm-ad-slot-renderer, ytm-statement-banner-renderer, ytm-banner-promo-renderer-background ytm-ad-slot-renderer, ytm-in-feed-ad-layout-renderer, ytm-rich-item-renderer:has(> #content > ytm-ad-slot-renderer) .ytm-video-masthead-ad-v3-renderer, div#root.style-scope.ytm-display-ad-renderer.yt-simple-endpoint, div#sparkles-container.style-scope.ytm-promoted-sparkles-web-renderer, div#main-container.style-scope.ytm-promoted-video-renderer, div#player-ads.style-scope.ytm-watch-flexy, ytm-pivot-bar-item-renderer:has(> .pivot-shorts), ytd-compact-movie-renderer, yt-about-this-ad-renderer, masthead-ad, ad-slot-renderer, yt-mealbar-promo-renderer, statement-banner-style-type-compact, ytm-promoted-sparkles-web-renderer, tp-yt-iron-overlay-backdrop, #masthead-ad, #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
}

.style-scope[page-subtype='channels'] ytd-shelf-renderer,
.style-scope[page-subtype='channels'] ytm-shelf-renderer {
display: block !important;
}
 
ytd-watch-metadata.ytd-watch-flexy {
padding-bottom: 36px !important;
}

/* Remove filter categories on search results and playlists to make the UI 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;
}

/* Remove every unwanted compact renderer in related section and limit the number of yt-lockup-view-model to 9 */
#related ytd-compact-video-renderer, ytd-compact-movie-renderer, #related ytd-compact-playlist-renderer, #related ytd-compact-radio-renderer, #related #related yt-lockup-view-model, #related ytd-channel-renderer, ytd-watch-flexy ytd-reel-shelf-renderer, ytd-watch-flexy ytd-rich-section-renderer, #related ytd-continuation-item-renderer, #related #continuations {
display: none !important
}

#related yt-lockup-view-model:nth-of-type(1), #related yt-lockup-view-model:nth-of-type(2), #related yt-lockup-view-model:nth-of-type(3), #related yt-lockup-view-model:nth-of-type(4), #related yt-lockup-view-model:nth-of-type(5), #related yt-lockup-view-model:nth-of-type(6), #secondary #related yt-lockup-view-model:nth-of-type(7), #secondary #related yt-lockup-view-model:nth-of-type(8), #secondary #related yt-lockup-view-model:nth-of-type(9) {
display: flex !important
}`;
if (typeof GM_addStyle !== "undefined") {
  GM_addStyle(css);
} else {
  let styleNode = document.createElement("style");
  styleNode.appendChild(document.createTextNode(css));
  (document.querySelector("head") || document.documentElement).appendChild(styleNode);
}
})();
 
//
// What is this userscript trying to address?
// When playing a video, only a small part of the video loads, and the subsequent
// parts do not load afterward.

(function () {
  "use strict";

  const originalGetContext = HTMLCanvasElement.prototype.getContext;
  HTMLCanvasElement.prototype.getContext = function (contextType) {
    if (contextType === "webgl" || contextType === "webgl2") {
      console.log("WebGL is disabled by Tampermonkey");
      return null;
    }
    return originalGetContext.apply(this, arguments);
  };
})();