Here is a quick WordPress tutorial to add a Popup to your WordPress websites without using any plugins, but CSS, HTML, and JS. Only by using simple CSS, JS, and HTML code you can pop up any image on your website and add a custom link to it.

Adding an image popup is an interesting way to notify your website visitors about your new announcement. The announcement could be of any new products, services, or some greetings. Please try all the codes and let us know if it has worked for you or not. Thank you.