With the PublishPress Checklists plugin, you can require that Featured images have a Caption. If the Featured Image is missing a caption, you can choose to show a warning, or prevent the post from being published.
The Caption for each image in WordPress can be set using the option shown in this screenshot:
- Go to Checklists > Settings. Click the “Featured Image” tab.
- You can choose from “Disabled, Recommended, or Required” options.
- You can choose “Who can ignore this task?”
If you enable this Featured image option, it will be visible when you edit content. If your Featured image box does not have a caption, this task will be marked in red in the sidebar:
If your Featured image box has an image, this task will be marked in green in the sidebar:
