Help me to resolve issue

Greetings, >>> Our website: https: //[login to view URL] This is a huge social network to compare the prices of service providers of all kinds. Advertisers and users do not pay and the service is free to the benefit of both parties. When the user shares content from the site in a social network, the image does not appear. In order to understand you will share your website and see. I need someone who understands YII