If you look for a Evolution CMS snippet that will generate srcset/sizes for your image, look no further.
Front-end, MODX & Evolution CMS
Since it’s release in 2005, people have installed MODX CMS millions of times. Here is why.
In April 2017 MODX turned over Evolution development completely to its current community-driven leadership team. It raised a lot of questions and doubts about the future of the "new" EVO.
How to get a TV value from document A when being on the document B.
Ever wonder how to check document depth in MODX? "Level" snippet is here to help!
How to set placeholder in Evolution CMS.
How to make eForm report dynamic in Evolution CMS?