Mark Howells-Mead

** This plugin is no longer maintained. **
Modifies the HTML output of any video players which have been embedded in the content area or in the site using the oEmbed technique. Any video player which is included on the page will only be loaded if/when it is/becomes visible within the current browser window.
This plugin relies on JavaScript in the frontend. The original player will be displayed (not lazy-loaded) if JavaScript is inactive on the page.
Please note that this plugin will not work in server environments running PHP versions older than 5.3.

Lazy load video players

Any video player which is included on the page will only be loaded if/when it is visible within the current browser window.

PlayerJS

Build custom video / audio player on <a href="https://playerjs.com" rel="nofollow ugc">PlayerJS.com</a> for FREE and place it on your website.

PlayerJS – Free Custom HTML5 Video and Audio Player Builder

The official WordPress plugin for PlayerJS.com — a free online builder for custom HTML5 video and audio players.

Lazy load video players vs PlayerJS – Free Custom HTML5 Video and Audio Player Builder