Delivering responsive images

The Responsive Image module provides a field formatter for image fields that use the HTML5 picture tag and source sets. Utilizing the Breakpoint module, mappings to breakpoints are made to denote an image style to be used at each breakpoint. The responsive image field formatter works by using a defined responsive image style. Responsive image styles are configurations that map image formats to specific breakpoints and modifiers. First, you will need to define a responsive image style, and then you can apply it to an image field.

In this recipe, we will create a responsive image style set called Article image and apply it to the Article content type’s image field.

How to do it…

1. First, you need to install the responsive_image module:

   php vendor/bin/drush en responsive_image -y

2. From the administrative toolbar, go to Configuration and then to Responsive image styles under the MEDIA section. Click on Add responsive image style...