Possible solutions of your questions

Hello. the home page of the website has huge size 22 MB

optimize website template

http://tools.pingdom.com/fpt/#!/euvdQD/samogoncshik.EN

reduce in several times the image.

for your page , taking into account the EE of the design, not more than 300 KB, and that for her very much. Why do you put full sized pics on the main page? do preview. reduce s in a few easy times.