If you need support from Yola please contact us via firstname.lastname@example.org or make use of our live chat service! We are working on a new approach to community-based support and during this transition period we are not adding any new threads to this forum. Many thanks to everyone who has participated over the years and we look forward to unveiling a new peer-to-peer support system soon!
Image optimization is enabled by default for the Picture widget so editing is only required of you wish to disable it. Regarding your second question Gop, image optimization is only built into the Picture widget so images added via other widgets need to be optimized for the web prior to uploading them to your File Manager.