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<a href="http://github.com/DIYgod/DPlayer" rel="nofollow ugc">DPlayer</a> is such a lovely HTML5 danmaku video player by DIYGod, and it’s used on many platforms. 
Today, DPlayer is coming to WordPress.
Usage is rather simple, and here is the template of shortcode we supported. 
[dplayer url=”https://anotherhome.net/DIYgod-cannot-even-discribe.mp4″ pic=”https://anotherhome.com/DIYgod-cannot-even-discribe.png” autoplay=”true” danmu=”true”/]
Parameter ‘url’ is the source URL to the video file, you can upload the video to your WordPress library, then use it here. 
Parameter ‘pic’ is the poster of the video. And it’s optional. 
Parameter ‘autoplay’, as the name suggests, if it is true, then once the video is prepared, it starts to play . Default false and it is optional also. 
Parameter ‘screenshot’, enable screenshot?. Optional and default false. 
Parameter ‘loop’, enable loop?. Optional and default false. 
Parameter ‘preload’, preload mode, ‘auto’, ‘metatdata’ or ‘none’. Optional and default metadata. 
Parameter ‘hotkey’, enable builtin hotkey? including left, right and Space. Optional and default true. 
Parameter ‘bilibili’, bilibili视频AV号 或者 完整的bilibili视频链接. Additional danmaku from bilibili 
Parameter ‘danmu’, should DPlayer load danmaku. Default false and it’s optional.

DPlayer for WordPress

DPlayer is such a lovely HTML5 danmaku video player by DIYGod, and it's used on many platforms.

Eirudo

A lightweight plugin to embed YouTube videos while keeping the correct aspect ratio — all with a simple shortcode.
<ul>
<li>Very simple shortcode. Use it in posts or widgets.</li>
<li>Uses the default YouTube iframe embed, but fully responsive.</li>
<li>Custom aspect ratio if you want a different video size.</li>
<li>Automatically centered, so your video always looks neat in your content.</li>
<li>Lazy load support to improve performance.</li>
<li>100% free — no ads, no trackers, no funny business.</li>
</ul>
<h3>Arbitrary section</h3>
<h3>A brief Markdown Example</h3>
Pros: 
1. Simple and lightweight — one shortcode per video 
2. Lazy load support 
3. Extra parameters available for advanced users
Cons: 
1. Designed for simple embeds only (no playlist support, one video per shortcode)

Simple YouTube Responsive

Perfect

You can add a line to your functions.php to make videos responsive if you're doing your own theme. However, if you're not, this plugin works beautifully and gives other options like lazy load, etc. 

If doing your own theme, add: add_theme_support( 'responsive-embeds' );

Works Beautifully

Easily embed responsive YouTube videos using a simple shortcode. Lazy load included.

DPlayer for WordPress vs Simple YouTube Responsive