Timing is crucial for the effectiveness of pop-ups:
Entry Pop-Ups: Appear as soon as a visitor lands on the page. Exit-Intent Pop-Ups: Triggered when a visitor is about to leave the page. Scroll-Activated Pop-Ups: Appear after a visitor has scrolled a certain percentage of the page. Time-Delayed Pop-Ups: Appear after a visitor has spent a specific amount of time on the page.