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.

Processby

Lazy loading images and iframes to speed up sites page load speed. Compatible with WooCommerce. 
This plugin uses <a href="https://github.com/aFarkas/lazysizes" rel="nofollow ugc">lazysizes</a> – is the most popular, high performance and SEO friendly lazy loader for images. 
<a href="https://processby.com/lazy-load-wordpress/#gallery-demo" rel="nofollow ugc">Plugin demo</a>
<h4>Features</h4>
<ul>
<li>Lazy loading images inserted in posts, pages, custom post types, text widgets;</li>
<li>Lazy loading image gallery, image widget, image gallery widget;</li>
<li>Lazy loading product images, product category images in WooCommerce;</li>
<li>Lazy loading iframes;</li>
<li>Improves <a href="https://developers.google.com/speed/pagespeed/insights/" rel="nofollow ugc">PageSpeed Insights</a> Results, fixes error “defer offscreen images”;</li>
<li>Lightweight and fast.</li>
</ul>

Lazy Load Optimizer

I have tried many Lazy Loading and even WP Rocket own Lazy Loading but this one works perfectly fine and my score in Google Site Speed Improved a lot! Thanks guys!

Best Lazy Loading

This plug-in will transform all your actual PNG media to WebP + automatically transform them in WebP when downloading new loud formats, in a beautiful manner. Simple in the presentation but powerful in the application. I recommend it a lot !

Great Plugin for saving time

Lazy loading images and iframes to speed up sites page load speed.

Disable WP Lazy Load vs Lazy Load Optimizer