How to successfully implement og:image for the LinkedIn

Question

THE PROBLEM:

• I am trying, without much success, to implement open graph image on site: http://www.guarenty-group.com/cz/
• The homepage

Answer 1

This may be a bit late for the OP, but there is new documentation at https://www.linkedin.com/help/linkedin/answer/46687/making-your-website-shareable-on-linkedin. Hopefully this helps others.