Fix Facebook Incorrect Thumbnail Issue in WordPress

Have you noticed that sometimes incorrect post thumbnails are showing up when you share articles in Facebook? Many WordPress users have been complaining about this, and sadly, this issue has not yet been fixed.

Why is Facebook not picking up the thumbnail image? There are many reasons that Facebook prevents from correctly guessing the right thumbnail image. One common issue is having multiple images set in the og:image tag where the features image is smaller than the rest of the image.

Other issues are caching plugins, CDN issue, missing open graph meta tag, etc. It is hard to guess what is causing the issue as there are no specific error messages displayed in the debugging tool.

In this post, we’ll show you how to fix incorrect Facebook thumbnail issue:

How to Create a Custom Thumbnail for Your WordPress Post

To make your blog more appealing to look at, use the post’s featured image as a thumbnail beside your latest post. Sometimes, WordPress’s default thumbnail sizes don’t fit the bill so this procedure will also help create sizes to any size you want. All you need to do is to edit a snippet that is located in your WordPress functions.php, add a few lines of code. Then attach an image of your post using featured images plugin.

After that, you need to edit a few lines of code into your index.php file or into single.php file if you want the posts to appear on the full articles.


Read full instructions here: