Optimizing resource loading with Priority Hints
Priority hints indicate the relative importance of resources to the browser. They can enable optimal loading and improve Core Web Vitals.
Network
Our latest news, updates, and stories about Network.
Assessing loading performance in the field with Navigation Timing and Resource Timing
Learn the basics of using the Navigation and Resource Timing APIs to assess loading performance in the field.
Love your cache ❤️
Users loading your site a second time will use their HTTP cache, so make sure it works well.
Extending Workbox
Write your own reusable, shareable strategies and plugins.
Push notifications overview
An overview of what push notifications are, why you might use them, and how they work.
Measuring offline usage
How to track offline usage of your site so that you can make a case as to why your site needs a better offline experience.
Content delivery networks (CDNs)
Improve performance by using a content delivery network.
Service worker caching and HTTP caching
The pros and cons of using consistent or different expiry logic across the service worker cache and HTTP cache layers.
Handling navigation requests
Respond to navigation requests without waiting on the network by using a service worker.
Adaptive loading with service workers
Modifying the assets that you serve to users based on their device and network conditions.
App shell UX with service workers and streams
Achieving a SPA-like architecture in multi-page apps by combining partials, service workers, and streams.
Instant navigation experiences
Complementing traditional prefetching techniques with service workers.
Resilient search experiences
Using a service worker to save a search query when a user goes offline and then automatically retry the query once a connection is re-established.
Experimenting with WebTransport
WebTransport is a new API offering low-latency, bidirectional, client-server messaging. Learn more about its use cases, and how to give feedback about the future of the implementation.
Fast playback with audio and video preload
How to accelerate your media playback by actively preloading resources.
Offline UX design guidelines
A guide to designing web experiences for slow networks and offline.
