molotow

Defer Media is a plugin for speed up your website and defer not needed medias which out of the screen when page loaded. 
Then, when you scroll down the page, it will load images/videos/iframes automatically or pre-load it even if it it not visible yet (can be adjusted with Appearance Offset parameters).
This plugin will apply the following actions: 
– Defer images (standard [img] tag and also [picture] src sets) 
– Defer background images (if style=”background-image” applied for some block) 
– Defer Videos ([video], [source] tags) 
– Defer Youtube embedded videos (iframe) 
– Defer any Iframes ([iframe] tag)
You can see plugin demo on this page: 
<a href="https://joomcar.net/wp-optimize/a-lot-of-media-page/" rel="nofollow ugc">Defer Media demo</a>

Defer Media

This plugin defer images and videos loading on your site for make it faster

kursorA

Important information: this plugins works only with CloudFlare!
With this plugin you can speed up WordPress to supersonic speed.
By default CloudFlare do not caches HTML content. It can be done by adding one page rule in CloudFlare. But when site content is changed (by adding, editing or deleting post, page or comment) CloudFlare do not refreshes cached content. This functionality is taken by this plugin. 
When content is changed plugin purges only files previously served to CloudFlare. It saves resources and time. You can choose which files are purged on defined events.
WordPress SuperSonic with CloudFlare integrates WordPress with CloudFlare for more speed and security. With this plugin WordPress pages will load as fast as 100 miliseconds!
<h4>Major features</h4>
<ul>
<li>Cloudflare API v4</li>
<li>support form Cloudflare Flexible SSL</li>
<li>automatically purge changed pages from CloudFlare cache (posts, pages, custom post types and associates pages: categories, tags, date archives)</li>
<li>country information of commenter in comments</li>
<li>bruteforce protection by bannig IP address in CloudFlare</li>
<li>ban, with list, clear commenter IP address in CloudFlare from comments list</li>
<li>disable WordPress login by blocking selected countries</li>
<li>disable possibility to post WordPress comments by blocking selected countries</li>
<li>block WordPress XML-RPC for selected countries</li>
<li>displays CloudFlare statistics for domain</li>
<li>event logging</li>
</ul>
<h4>Example sites with SuperSonic plugin – check how fast they loading</h4>
<ul>
<li><a href="http://www.wp-supersonic.com/" title="www.wp-supersonic.com" rel="nofollow ugc">Site 1</a></li>
<li><a href="http://www.zespoldowna.info/" title="www.zespoldowna.info" rel="nofollow ugc">Site 2</a></li>
</ul>

Defer Media vs WordPress SuperSonic with CloudFlare