Test to see the image here: https://developers.facebook.com/tools/debug/sharing/

Helpful article on caching if the image doesn’t show up: https://support.shareaholic.com/hc/en-us/articles/360000263426-How-to-Clear-Link-Preview-Cache-Stored-by-Facebook-Pinterest-LinkedIn-Twitter

Code for header area of Ontraport page:

<"meta property="og:title" content="TITLE OF YOUR PAGE 50-60 CHARACTERS" /">
<"meta property="og:url" content="EXACT URL OF PAGE" /">
<"meta property="og:site_name" content="WEBSITE NAME" /">
<"meta property="og:image" content="IMAGE URL" /">

Tip: If your domain is https, make sure your image URL link also uses https in it.

Note: The og:url needs to be the individual page URL. If you are trying to add this to multiple pages, you will need to update the URL to those page URLs