In 2025, pop-up forms can still be a powerful tool for boosting email subscriptions if implemented strategically. While some users may find them intrusive, a well-crafted pop-up can grab attention and drive conversions effectively. To ensure success, consider timing the pop-up after visitors engage with the content, offer valuable incentives, maintain a clean and user-friendly design, use smart targeting and frequency rules, and optimize for mobile devices. By following these best practices, pop-up forms can continue to be an efficient way to grow your email list.