And because React warnings in general only fire in development, it means that these warnings are never shown when building with Gatsby 😱 This is a trade-off. By opting out of server-side-rendering in dev, Gatsby is optimizing for a short feedback loop. Being able to quickly see the ...
Internet Explorer 8 no longer being supported likely means that some of the internal processes are more optimized. React 15 truly is faster in the rendering process, but only when built for production. Development mode is actually quite a bit slower, mostly because of the plethora of functionalit...
In React, you control branching logic with JavaScript. You can return a JSX expression conditionally with an if statement. You can conditionally save some JSX to a variable and then include it inside other JSX by using the curly braces. In JSX, {cond ? <A /> : <B />} means “if co...
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chunks that the browser can progressively render as it's received. This can provide a fast First Paint and First Contentful Paint as markup arrives to users faster. In React, streams being asynchronous inrenderToNodeStream()- compared to synchronous renderToString - means backpressure is handled ...
This means that by default, any JavaScript code that you run will block any other browser tasks from running, such as painting the screen. This is why it's especially important that JavaScript code be fast. However, in some cases, even the performance of the React reconciliation code isn't...
// _app.tsx import { QueryClient, QueryClientProvider } from '@tanstack/react-query' // NEVER DO THIS: // const queryClient = new QueryClient() // // Creating the queryClient at the file root level makes the cache shared // between all requests and means _all_ data gets passed to...
ReactDOM.hydrate : ReactDOM.render; Since you can’t use <Suspense> with ReactDOMServer.renderToString(), you’ll need to manually wait for your intial route to load. This means that instead of letting your <Router> component create a navigation object, you’ll need to manually create one...
This means the browser receives the fully rendered HTML content and doesn’t have to wait for JavaScript to render the initial content. In Next.js, SSR is the default rendering strategy. You do not have to do anything special to render a component server-side. Now, Next.js uses a rela...
Rendering is the process of converting React code into HTML. The rendering method you choose depends on the data you are working with and how much you care about performance. In Next.js, rendering is very versatile. You can render pages client-side or server-side, statically or incrementally....