On March 29th, Apple released iOS 11.3 with Safari 11.1 which includes support for Service Workers. The addition of Service Workers and PWA features in Safari on iOS means developers will now be able to build app-like experiences that will be available to a wider audience. For instance, during the month of February, iOS accounted for 28% of all traffic on our CMS at Notre Dame.
If you’re unfamiliar with Service Workers and Progressive Web Apps (PWA), check out Google’s information page on PWAs. For details on what’s new with Service Workers and PWAs on iOS, check out Maximiliano Firtman’s great in-depth post that details what’s included, what’s not, and the hurdles you may encounter when developing PWAs for iOS.