How to set the image Facebook/Twitter shows when your website is shared
In the Smart and Pro versions, you can control the image and the text that is shared through social networks.
Tap on the label icon at the top of your homepage, then tap on the Facebook/Twitter tabs and fill in the Title, Description and Image fields.
Then, repeat these operations on any page from your site that may be shared. When you are done, publish your website again.
Note: You can use Facebook Sharing Debugger
to refresh any information previously scraped by Facebook.
Watch the tutorial video:
How to Add Metadata