CongBom

<p>To get meta value in front-end, use <code>get_post_meta()</code> with meta key is <code>youtube_id</code>.</p>
<p>Example:</p>
<p>Print YouTube video ID:<br />
    ID, ‘youtube_id’, true);?></p>
<p>Thumbnails:<br />
    <img src="http://img.youtube.com/vi/ID, ‘youtube_id’, true);?>/mqdefault.jpg” alt=”” /></p>
<p>Video player:</p>
<p><iframe src="http://www.youtube.com/embed/ID, ‘youtube_id’, true); ?>” width=”588″ height=”331″ frameborder=”0″ allowfullscreen></p>


YouTube metabox

Create YouTube meta-box for post with live preview

CrestaProject

<p><strong>Attesa Extra</strong> add extra features to <a href="https://attesawp.com" rel="nofollow ugc">Attesa Theme</a> like custom templates, widgets, elementor widgets and metaboxes to edit the structure of the website for each post/page. You can also <a href="https://attesawp.com/demos/" rel="nofollow ugc">import demo content</a> with a click.<br />
Attesa Extra <strong>requires free <a href="https://attesawp.com" rel="nofollow ugc">Attesa theme</a></strong> to be installed.</p>
<h3>Credits & Copyright</h3>
<h4>Typed.js, Copyright 2014 Matt Bold</h4>
<p>Licenses: MIT<br />
Source: https://github.com/mattboldt/typed.js</p>
<h4>Butterbean, Copyright 2015-2016 Justin Tadlock</h4>
<p>Licenses: GNU General Public License v2.0<br />
Source: https://github.com/justintadlock/butterbean</p>
<h4>WP Color Picker Alpha, Copyright kallookoo</h4>
<p>Licenses: GPLv3 https://github.com/kallookoo/wp-color-picker-alpha/blob/master/LICENSE<br />
Source: https://github.com/kallookoo/wp-color-picker-alpha</p>


Attesa Extra

Add extra features to Attesa WordPress theme

YouTube metabox vs Attesa Extra