One of the most significant areas of poor site performance continues to be the use of unoptimized image assets. Drupal core's image styles functionality was a significant step in the right direction - but does still require defining appropriate image styles during initial site configuration, and can often still result in the 'main' image being large and unoptimized, even if some of the other styles are better defined. Particularly as a site ages and editorial workflows naturally creep away from how the site was initially designed, a site is likely to have more adhoc insertions of unconstrained images from editors.
There are two strategies that could be used to better optimize images on the web:
As with the Lazy-Load initiative before this, this is another initiative in which Google would like to partner with the Drupal Association to put forward this core initiative to improve web performance. This initial idea was generated via a collaboration between the DA, Google staff, and @fabianx, @wim-leers, and @nielsvm.
Likely as a sub-initiative of the Media initiative, the goal would be to collaborate on both the client and server-side techniques:
We would like to limit the scope as much as possible to the actual action of image upload during the media insertion process, and then the server side rendering of images as would be handled by LibGD.
If it all possible, we'd like to have working code with test coverage by the time of Drupal 9.2's alpha period. (April 2021)
Closed: outdated
Idea
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
AVIF support landed ✨ Let GDToolkit support AVIF image format Needs work and it's the default in core now, issue is still open to make it the default for Drupal CMS.
Unless another image format arrives, probably the next step for image loading would be ✨ SVG Low Quality Image Placeholders Active .
Closing this as outdated now.