3/17/2023 0 Comments Chrome canary iosWhenever you make changes, the app reloads and your changes are directly visible.įor the purpose of this demo, the load time of the vegetable-details page in the sample app is very slow due to an arbitrary delay on the server side. Git clone -b codelab Install the dependencies required to run the server: Open the code from this GitHub repository in your favorite development environment:.Navigate to about://flags, and then enable the Prerender2 and documentTransition API runtime flags.A seamless transition between pages with root/shared elements transition.Great first impressions from cross-origin navigation with Private Prefetch Proxy or signed exchange (SXG).bfcache for instant loads with the browser's backward and forward buttons.Near-instantaneous navigation with prerendering.PrerequisitesĪ sample web app built with Next.js that's enriched with the latest instant and seamless browser capabilities: To provide feedback or report a bug, visit. Also, the API surface might change in the future. Note: These APIs are still in their early stages, so there might be some bugs, limitations, and missing features. Seamless APIs are designed to fill this user and developer experience gap between app and web. While you might be able to achieve similar effects with current web-platform APIs, development may be too difficult or complex, especially when compared to feature counterparts in Android or iOS apps. Unfortunately, the replication of such user experiences isn't straightforward on the web. Users are also accustomed to the use of transitions to make navigations and state changes extremely intuitive in mobile native apps. The latest APIs help you improve the Core Web Vitals score of your website in the field, especially for load performance. Site speed is always an important aspect of the user experience, which is why Google introduced Core Web Vitals, a set of metrics that measure load performance, interactivity, and visual stability of web pages to gauge the real-world user experience. You implement prerendering and bfcache for the MPA pages, and shared element transitions for the SPA pages. Specifically, you implement prerendering, back/forward cache (bfcache), and Private Prefetch Proxy for the instant navigation, and root/shared element transitions for the seamless page transitions. The fruit-list and fruit-details pages are built as a single-page app (SPA), and the vegetable-list and vegetable-details pages are built as a traditional multiple-page app (MPA). The sample web app checks the nutritional values of popular fruits and vegetables. This codelab teaches you how to add instant navigation and seamless page transitions to a sample web app with the latest APIs that Google Chrome natively supports.
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