> 3. Generating different sizes as you mentioned can be useful. For years now I use nginx's image filter [1] which handles file resizing quite nicely. Resized

> 3. Generating different sizes as you mentioned can be useful. For years now I use nginx's image filter [1] which handles file resizing quite nicely. Resized images are cached by nginx. For some usecases it works very vell and I no longer need to specify sizes beforehand, you just ask for the size by crafting your url properly. [1] https://nginx.org/en/docs/http/ngx_http_image_filter_module.html https://nginx.org/en/docs/http/ngx_http_image_filter_module....