In less than a month (to be precise on November 2nd), Drupal 8 will no longer be supported. If you still haven't upgraded your site to Drupal 9 you should do it as soon as possible, to keep it secure and to get new features.
WebP images have higher quality and smaller file sizes at the same time. This is what makes them great for using on the web where every byte counts, and Drupal 9.2 will support using WebP images out of the box. Let's see how we can use this image format.
You might ask me why don't I just use the Backup and Migrate module to back up my Drupal database and files, and my response would be why to use a module with around 200 issues and who knows how many lines of code when I can do it with a simple shell script in less than 15 lines of code.
Drupal 9 is coming soon, more precisely, on June 3, 2020. I prepared a simple checklist for you so that you can take steps right now to make the upgrade easy and painless.