If you use a theme that is coded using HTML5, then it’s a good idea to make sure, that when you insert an image in your post, in the front end, the image is displaying using the figure HTML tag, instead of the old div HTML tag.

The HTML syntax for the figure is:

Enable figure HTML tag in WordPress themes

If you are using a WordPress that doesn’t have the support for HTML 5 tags enabled you can simply use this code snippet, in your theme’s functions.php file:

In the above code, I did enable all the features like search forms, comment form, all the others. After implementing the php code above, when you will insert an image into your post content, the image in your front end will be wrap in the figure html tag. Also don’t forget to include the image caption, it’s not necessary, but it’s a good practice.

Reference link: add_theme_support()

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