Temyk

Lazy loading speeds up site loading, but sometimes it gets in the way. 
This plugin disables native lazy loading in WordPress 5.5 and higher.
More Info
For more information about the new WP Lazy Load functionality:
<ul>
<li><a href="https://make.wordpress.org/core/2020/04/08/lazy-loading-of-images-is-in-core/" rel="nofollow ugc">Lazy-loading of images is in WordPress core</a></li>
</ul>

Disable WP Lazy Load

This plugin allows you to disable native Wordpress lazy loading.

Automattic

10up

Mohammad Jangda

Jake Goldman

Lazy load images to improve page load times. Uses jQuery.sonar to only load an image when it’s visible in the viewport.
This plugin is an amalgamation of code written by the WordPress.com VIP team at Automattic, the TechCrunch 2011 Redesign team, and Jake Goldman (10up LLC).
Uses <a href="http://www.artzstudio.com/files/jquery-boston-2010/jquery.sonar/" rel="nofollow ugc">jQuery.sonar</a> by Dave Artz (AOL).

Lazy Load

I hate plugins that don't have any sort of settings or anything. I can't tell if it's actually doing anything. How can I check?

Can't tell if it's working

Lazy load images to improve page load times and server bandwidth. Images are loaded only when visible to the user.

Disable WP Lazy Load vs Lazy Load