ikanaweb

Activate this plugin and reduce you page weight by nearly 1mo !
Because embed videos can dramatically increase your page weight and loading time, Embed Video Thumbnail 
automatically replace them by their corresponding thumbnail. Videos will then only be loaded after click on thumbnails.
This plugin fixes part of the following “defer parsing of javascript” error in GTmetrix :
<blockquote>
xxxx MiB of JavaScript is parsed during initial page load. Defer parsing JavaScript to reduce blocking of page rendering.
</blockquote>
Currently supported video hosting services :
<ul>
<li>Youtube</li>
<li>Vimeo</li>
<li>Dailymotion</li>
<li>Facebook</li>
</ul>
Optional settings :
<ul>
<li>Toggle activation on each hosting services</li>
<li>Toggle activation by device (desktop, tablet, mobile)</li>
<li>Copy thumbnail on local server for performance improvements</li>
<li>Display video title over the thumbnail</li>
<li>Toggle video loop on Vimeo and Youtube</li>
<li>Import/export settings</li>
</ul>
Widget :
You can use our Embed Video Thumbnail widget to transform your videos in sidebars.
Custom hosting services can be added with the <code>ikevt_extension_providers</code> hook. 
Each hosting service extension must implement <code>Ikana\EmbedVideoThumbnail\Provider\ProviderInterface</code>
Requirements :
<ul>
<li>php 5.6+</li>
</ul>

Embed Video Thumbnail

Automatically replace embed videos everywhere with their thumbnail to reduce page load time and improve your GTmetrix score.

Irene Berna

Ruben Garcia

GamiPress

tsunoa

GamiPress – Vimeo integration let’s you add activity triggers based on Vimeo video interaction adding new activity events on <a href="https://wordpress.org/plugins/gamipress/" title="GamiPress" rel="ugc">GamiPress</a>!
<h4>Watch a demo</h4>
<iframe loading="lazy" class="youtube-player" width="640" height="360" src="https://www.youtube.com/embed/pijaOYc9nLo?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"></iframe>
<h4>New Events</h4>
<ul>
<li>Watch any video: When an user watches any vimeo video.</li>
<li>Watch a specific video: When an user watches a specific vimeo video.</li>
</ul>
Important: The unique Vimeo videos that trigger this activities are the videos placed through GamiPress: Vimeo block, [gamipress_vimeo] shortcode and GamiPress: Vimeo widget.

Embed Video Thumbnail vs GamiPress – Vimeo integration