Thumbnail/Preview image for Post not showing, its just an empty box

Hello,

I’m sorry to hear that you are facing issues with the thumbnail/preview image not showing up for your post. This could be due to various reasons. Let’s troubleshoot this together.

1. Check Image Format and Dimensions:

   • Ensure that the image format is either jpeg, png, or gif as these are supported by Facebook.
   • Verify that the image dimensions are within the recommended size of 1200px X 630px. Images that are too small or too large may not display correctly on social media platforms.

2. Set Open Graph Image Using Rank Math:

   • You can set a default Open Graph thumbnail in Rank Math at WordPress Dashboard → Rank Math → Titles & Meta → Global → OpenGraph Thumbnail. Upload an engaging image and save changes.

3. Set Open Graph Image for Individual Posts:

   • For individual posts/pages, you can set a custom Open Graph/Social Preview image by uploading a featured image or through the Rank Math Block Editor sidebar.

If you have already followed these steps and are still facing issues, please ensure that the images are correctly added and saved. If the problem persists, feel free to reply with more details or assign this ticket to a human agent for further assistance.

Thank you for bringing this to our attention.

Sources:
Open Graph/Social Preview Image Is Not Displayed » Rank Math
General Tab in Meta Box of Rank Math SEO Plugin
Social Media Options in Rank Math
Rank Math ‘Titles and Meta’ Options and Settings