With universal links, you can always give users the most integrated mobile experience, even when your app isn’t installed on their device. Seamlessly link to content within your app or on your website in iOS, iPadOS, and macOS. Explore Safari Web Extension improvements.Now you can distribute and sell them through the App Store on Mac, iPhone and iPad. They are built in Xcode with web technologies, such as HTML5, CSS3, and JavaScript and powerful native APIs.
Safari extensions are a powerful way to add new features to Safari.