Forcing creation of all transformations for all assets Regarding a similar question I only found the advice to delete a table in the database but because I don't like fiddling with the db very much I like to ask: Are there ways to force craft to generate all transformations for all assets/images?

There is such a function in ExpressionEngine in the CP and I try to replicate this behaviour. I also installed the ImageOptimize plugin for that reason but no luck with that also.

thank you very much!
Author of the ImageOptimize plugin... when you say no luck with that either, what is going wrong? Once you install ImageOptimize, and add an Optimized Images field type to your asset volumes, it will create all of those responsive image transform for you.

Check out the Using the Optimized Images Field section of the documentation.

It can't just create all of your image transforms for you, because unlike EE, you can create transforms via your frontend Twig templates as well, and there's no real way it can know what is being created there, or all of the possible permutations.