Nicolas Juen

This plugin generate images with attributes for the responsive images in your content. 
Choose the breakpoints and the sizes associated. 
The next images you will insert and the elements generated with the wp_attachement functions will begenerated with the right attributes.
Contribute on https://github.com/Rahe/Simple-responsive-images 
Based on http://www.grahambird.co.uk/lab/doubletake/ for javascript

Simple Responsive Images

This plugin generate images with attributes for the responsive images in your content.

emandiev

“Responsive Divi Backgrounds” will allow you to optimize your website’s image delivery. 
This plugin works only with the <a href="https://www.elegantthemes.com/plugins/divi-builder/" rel="nofollow ugc">Divi Builder</a>, usually part of the Divi Theme. 
No configuration required.

Responsive Divi Backgrounds

Serve properly sized backgrounds to your visitors and boost your website performance! This plugin works only with the Divi Builder.

Simple Responsive Images vs Responsive Divi Backgrounds