One important consideration when using popups on your website is finding the right balance between promotion and user experience – after all, no one wants to feel bombarded with ads while trying to browse content! To avoid being too intrusive, make sure you give users ample time before displaying a popup (e.g., wait at least 30 seconds after they arrive) and provide clear ways for them to close it if they're not interested in your message. You may also want to limit how frequently each visitor sees your popups so that they don't become overly repetitive or annoying over time.