Getting Started with Sustainability

The Drupal community understands it has a responsibility to both people and the planet. Our Sustainability Statement includes both our code and our community. This is both an overview of what has been done to reduce the environmental footprint of running Drupal. 

Performance Budget

Website performance scanning via WebPageTest, historic performance trend visualization and performance threshold monitoring

The Performance Budget module allows you to use Drupal in combination with webpagetest.org to perform web performance scans on local and remote websites, visualize historical performance trends, and setup threshold monitoring to alert you when your site is performing outside of your expected goals.

Readme

Lazy-load is a simple Drupal module which integrates bLazy lazy-loading script via image field display formatters and input-filters for inline images and iframes.

There is another contributed module utilizing its namesake, Blazy. Make sure to check it out, especially if you need more advanced features and support for many features out of the box.

Lazy-load

How to improve site performance by lazy-loading images.

Lazy-load gives the user ability to enable lazy-loading the images on their Drupal 7 and 8 sites. This guide focuses only on Drupal 7 features. See Lazy-load for Drupal 8 guide.

Lazy-load

How to improve site performance by lazy-loading images.

Lazy-load gives the user ability to enable lazy-loading the images on their Drupal 7 and 8 sites. This guide focuses only on Drupal 8 features. See Lazy-load for Drupal 7 guide.

This module offers to enable lazy-loading on image fields, and also for inline-images used in CKeditor fields. You can even enable your theme images to use lazy-loading with some easy markup change.

Site monitoring tools

Modules and services that that can help you monitor your site's health and performance.

There are lots and lots of different ways of monitoring your Drupal sites, so this will only be a small subset of options that you can choose from.

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