Hash behind links Css/Js and images (SEO)

On getkirby.com I have the following attachment in the source code behind each image, CSS and JS:


Google/Lighthouse also shows me that this is missing.
Does anyone have an idea how I can implement this?

Thanks already.

The version string are created through a custom cachebuster plugin which is part of the cdn plugin, see

Other plugins:

1 Like

Cool, thx!