Capterra Glossary
A pop-up is a small graphical user interface (GUI) that abruptly pops up in front of or behind other windows on a userʻs device or screen. Pop-ups are often generated by websites that insert JavaScript into their hypertext markup language (HTML).
Pop-ups typically appear on a screen without being prompted by a computer user. Pop-ups are often used for search engine optimization (SEO) purposes, presenting website viewers with clear, relevant calls-to-action.
Small and midsize businesses can use pop-ups to their benefit, such as prompting website visitors to join a company mailing list, take advantage of current product and service discounts, or share the website with family and friends.