How Do I Add an Image to a Srcset in WordPress?

Adding an image to a source set in WordPress is simple. To add an image to a source set, first open the source set in the editor. Then, click the Media button in the toolbar and select Add Media from the menu. In the Add Media dialog box, select the image file you want to add to the source set and click Open.

WordPress will add the image to the source set and position it where you specified. To view the image in the source set, click the image icon next to the source set name in the editor toolbar.