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- dependency-name: nanoid
  dependency-type: indirect

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A web component that renders YouTube embeds faster. The ShadowDom web component version of Paul's lite-youtube-embed.


  • No dependencies; it's just a vanilla web component.
  • It's fast yo.
  • It's Shadow Dom encapsulated!
  • It's responsive 16:9
  • It's accessible via keyboard and will set ARIA via the videotitle attribute
  • It's locale ready; you can set the videoplay to have a properly locale based label
  • Set the start attribute to start at a particular place in a video
  • You can set autoload to use Intersection Observer to load the iframe when scrolled into view.
  • Loads placeholder image as WebP with a Jpeg fallback
  • new in v1.1: Adds nocookie attr for use with use as iframe embed uri
  • new in v1.2: Adds playlistid for playlist loading interface support
  • new in v1.3: Adds loading=lazy to image placeholder for more perf with posterloading attr if you'd like to use eager


This web component is built with ES modules in mind and is available on NPM:

Install code-block:

npm i @justinribeiro/lite-youtube
# or
yarn add @justinribeiro/lite-youtube

After install, import into your project:

import '@justinribeiro/lite-youtube';

Install with CDN

If you want the paste-and-go version, you can simply load it via CDN:

<script type="module" src=""></script>

Basic Usage

<lite-youtube videoid="guJLfqTFfIw"></lite-youtube>

Add Video Title

  videotitle="This is a video title"

Change "Play" for Locale

  videotitle="Mis hijos se burlan de mi español"

Style It

Height and Width are responsive in the component.

  .styleIt {
    width: 400px;
    margin: auto;
<div class="styleIt">
  <lite-youtube videoid="guJLfqTFfIw"></lite-youtube>

Set a video start time

<!-- Start at 5 seconds -->
<lite-youtube videoid="guJLfqTFfIw" videoStartAt="5"></lite-youtube>

AutoLoad with IntersectionObserver

Uses Intersection Observer if available to automatically load the YouTube iframe when scrolled into view.

<lite-youtube videoid="guJLfqTFfIw" autoload> </lite-youtube>

YouTube QueryParams

Use any YouTube Embedded Players and Player Parameters you like

<lite-youtube videoid="guJLfqTFfIw" params="controls=0&enablejsapi=1">


The web component allows certain attributes to be give a little additional flexibility.

Name Description Default
videoid The YouTube videoid ``
playlistid The YouTube playlistid; requires a videoid for thumbnail ``
videotitle The title of the video Video
videoplay The title of the play button (for translation) Play
videoStartAt Set the point at which the video should start, in seconds 0
posterquality Set thumbnail poster quality (maxresdefault, sddefault, mqdefault, hqdefault) hqdefault
posterloading Set img lazy load attr loading for poster image lazy
nocookie Use as iframe embed uri false
autoload Use Intersection Observer to load iframe when scrolled into view false
params Set YouTube query parameters ``


The web component fires events to give the ability understand important lifecycle.

Event Name Description Returns
liteYoutubeIframeLoaded When the iframe is loaded, allowing us of JS API detail: { videoId: this.videoId }


The fastest little YouTube web component on this side of the internet. The shadow dom web component version of Paul's lite-youtube-embed.







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