Responsive Previews allow you to check whether your site layout automatically adjusts appropriately on various devices such as desktops (PCs), tablets, and smartphones

1) Go to the post or page edit in WordPress for which you want to check the responsive preview.

2) Check the View option at the top of the post or page edit (Desktop, Tablet, Mobile).

3) Select the option to view a preview of your site with the layout automatically adjusted based on your device.

Desktop

Tablet

Mobile