Serwist
A set of JavaScript libraries described as a Swiss Army knife for service workers, with this site hosting its documentation. Serwist helps web developers add precaching, runtime caching, and offline behavior to their sites, continuing the approach popularized by Google's Workbox.
Not sure how to add Serwist to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.
Own Serwist? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.
How to install Serwist as a PWA
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