Hello,
We apologize for the issue you are facing with the Open Graph (OG) image displaying incorrectly when sharing your post on social media. Here are a few steps you can take to troubleshoot this problem:
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Check the Image Settings: Ensure that you have correctly set the OG image for the specific post in the Rank Math settings. You can do this by navigating to the post’s edit screen and checking the Social tab in the Rank Math meta box.

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Image Dimensions & Format: Verify that the image you are using meets Facebook’s requirements. The recommended image size is 1200px X 630px, and it should be in a supported format (JPEG, PNG, GIF, WebP). If the dimensions are too small or too large, Facebook may not display it correctly.
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Check for Caching Issues: If you are using a caching plugin, it might be serving an old version of your page. Clear your website and server cache, including any CDN caches if applicable.
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Gzip Compression: If you have Gzip compression enabled in your caching plugin, try disabling it. This can sometimes interfere with how Facebook reads your OG tags. For example, in W3 Total Cache, you can find this option under Performance → Browser Cache → HTTP (gzip) compression.

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Use Facebook Debugger: After making these changes, use the Facebook Sharing Debugger to scrape your URL again. Click on the Scrape Again button to refresh Facebook’s cache for your URL.

If you’ve followed these steps and the issue persists, please reply to this ticket, and a human agent from the Rank Math Support team will assist you further. Thank you for bringing this to our attention!
Sources:
Open Graph/Social Preview Image Is Not Displayed » Rank Math
Hello,
We checked the page you’ve shared and we can see there is a duplicate og:image metatag appearing there with an invalid image URL and most likely that’s why you’re facing this issue.

It seems like the duplicate meta tag is added by your theme or any other plugin you’re using on your website. To determine that, please follow this troubleshooting guide: https://rankmath.com/kb/check-plugin-conflicts/
Hope that helps and please don’t hesitate to let us know if you have any other questions.
Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.