Offline Shell
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Offline Shell is a WordPress plugin which utilizes the client side [ServiceWorker API](https://developer.mozilla.org/en-US/docs/Web/API/Service_Worker …
Offline Shell is a WordPress plugin which utilizes the client side ServiceWorker API to cache theme files for performance and offline purposes.
The WordPress admin can select which files to cache, update the cache list at any time, and see their site performance improve while ensuring important assets are available offline.