Ninja Popups is definitely one of the most popular WordPress popup plugins on the market. I’m not saying you should always follow the crowd, popularity is usually a telling sign when it comes to quality.
They offer an extensive list of features, the popups are extremely responsive and work well on mobile devices in addition to desktop browsers and it’s easy for anyone to configure this plugin, even if you don’t have any coding experience.
With Ninja Popups, you can customize the design of your popups to match your trending website color schemes. Ninja Popups also lets you customize things like the size of your popups and colors of the buttons. This is important because this plugin also offers A/B testing. You can try different variations of your popups to see which is the most effective and yields the highest conversions. In addition to the A/B tests, Ninja Popups has a detailed analytics page. You can see other KPIs with charts to help you improve your popups. This plugin has page level targeting as well, so you can have different popups for each page on your site depending on your goals.