PWAs provide a set of best practices and modern web APIs that are aimed at meeting your customers' needs by making your site fast, installable, reliable, and engaging.
For example, using a service worker to cache your resources and doing predictive prefetching makes your site faster, and more reliable. Making your site Installable provides an easy way for your customers to access it directly from their home screen or app launcher. And APIs such as Web Push Notifications make it easier to re-engage your users with personalized content to generate loyalty.
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