How to Add a Social Media Preview Image for Your Site
When you share your website on Facebook, LinkedIn, or other platforms, the preview image is the first thing people notice. Setting this up makes your links look professional, eye-catching, and helps you get more clicks.
Step 1: On your left-hand menu, go to SEO > Social Network Settings.
Step 2: Toggle on Social Networks to enable it

Step 3: Go to Facebook (Open Graph) and Enable Open Graph Data.
Step 4: Under Enable OG Data, upload or select a default image from your media library.

Step 5: Click Save Changes when done.
To verify your changes, go to https://developers.facebook.com/tools/debug/ and run a test.
Your site is now ready with a social media preview image. Anytime you share your link, the chosen image will show up automatically, making your posts stand out and look more professional.