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2 de out. de 2023 · This comprehensive guide covers everything: from understanding the service workers' role in web applications, differentiating caching strategy patterns, analysing Cache-first and Network-first strategies, to managing cache consistency and leveraging caching techniques in a microservices architecture.
- Enter Navigation Preload
- Using Navigation Preload in Workbox
- How Can I Tell If Navigation Preload Is working?
- Customizing Preloaded Responses
- Conclusion
Navigation preload is a service worker feature that solves the delay caused by service worker bootup time. Without navigation preload enabled, both the service worker's bootup and the navigation request it handles will occur consecutively: This isn't ideal, but you can fix it by enabling navigation preload, which ensures that service worker bootup ...
Using navigation preload directly in a service worker not powered by Workbox is tricky. First, it's not supported in all browsers. Secondly, it can be difficult to get right. You can learn how to use it directly in this great explainer by Jake Archibald. Workbox simplifies using navigation preload, because the workbox-navigation-preload module's en...
In development builds, Workbox logs a lotabout what it does. If you want to check if navigation preload is working in Workbox, open the console in a supporting browser during a navigation request and you'll see a log message saying as much: This logging won't be visible in production builds by default, so you won't see this when you deploy your ser...
When using navigation preload, there may be scenarios where it's necessary to customize preloaded responses in an application backend. Service workers that stream partial content from the networkis one scenario where this might be handy. In cases like these, it pays to know that preload requests are sent with a Service-Worker-Navigation-Preload hea...
Navigation preload is hard to get right when used directly, but that hard work is worth it to ensure that a service worker doesn't hold the browser up from making navigation requests. Thanks to Workbox, you can benefit from navigation preload with a lot less work. To get more details on the workbox-navigation-preload module, check out its reference...
An implementation of the network first request strategy. By default, this strategy will cache responses with a 200 status code as well as opaque responses. Opaque responses are are cross-origin requests where the response doesn't support CORS.
22 de out. de 2021 · I have a React app that I implemented PWA with, I want to change the caching strategy to network first but I have no idea how to do so, I have read many articles about it but none of them tells you...
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