Alternative way to use as a Popup window on mobile website?

1. What is the difference between popover and pop up?
2. What is pop up window in mobile?

What is the difference between popover and pop up?

Because popups are often used to serve alerts and ads, most modern browsers include a popup block setting, and some have it activated by default. The average user can't see popup windows. A popover (also known as an overlay, a modal, or interstitial) is part of the actual web page.

What is pop up window in mobile?

Pop-ups are unwanted advertisements or alerts displayed on your phone while scrolling through web pages or using an app.