Intercept network requests and decide what to do with them programmatically. The worker might go to the network as usual, or it might just rely on the cache. It can even fabricate entirely new responses from a variety of sources . This includes building HTML.
Preload files during Service Workers installation . For SPAs, this typically includes the “application shell” we discussed earlier, while simple static sites might choose to preload all HTML, CSS, and JavaScript to ensure basic functionality is maintained when offline.
Push notifications are handled similarly to native apps. This means that websites can obtain permission from users to send notifications, and then rely on Service Workers to receive the messages and act on them even when the browser is closed .
Perform background sync , deferring network operations armenia mobile database until connectivity improves. This could be an "out of the box" webmail service or photo upload facility. No more "request failed, try again later" - Service Workers will handle it for you when appropriate.
The benefits of features like these extend beyond the obvious usability perks. In addition to driving adoption of S on the web all major browsers will only register Service Workers on the secure protocol, Service Workers are also transformative in terms of speed and performance . They enable new approaches and ideas like Google's PRPL pattern , as we can maximize cache efficiency and minimize reliance on the network. In this way, Service Workers will play a key role in making the web fast for the next billion web users.