Q1. Explain SSR, SSG, ISR and CSR in Next.js.
These describe when HTML is produced. CSR ships a minimal shell plus a JS bundle; the browser fetches data and renders, so first paint is slower and SEO weaker, but navig...
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Q2. How do you manage a disruptive classroom?
Prevention does most of the work. Clear routines, an engaging task and a well planned start reduce disruption before it begins. I establish expectations early and rehears...
Q3. How does SvelteKit routing and data loading work?
SvelteKit uses filesystem routing under src/routes. A +page.svelte renders a page, +page.js or +page.server.js exports a load function that runs before the page and retur...
Q4. How do SSR, prerendering and performance options work in SvelteKit?
SvelteKit renders every page on the server by default and then hydrates it on the client, so the first paint is real HTML. You control this per route with page options. e...
Q5. What causes hydration mismatches and how do you fix them?
Hydration is React attaching event handlers to server-rendered HTML. A mismatch happens when the server HTML differs from the client's first render, and React warns and r...
Q6. What are the advantages of React?
Below are the list of main advantages of React, 1. Increases the application's performance with _Virtual DOM_. 2. JSX makes code easy to read and write. 3. It renders bot...
Q7. What is server side rendering (SSR) in Next.js?
Rendering pages on each request. If a page uses Server-side Rendering, the page HTML is generated on each request. ```jsx export async function getServerSideProps() { con...
Q8. What is ReactDOMServer?
The `ReactDOMServer` object enables you to render components to static markup (typically used on node server). This object is mainly used for _server-side rendering_ (SSR...
Q9. How you implement Server Side Rendering or SSR?
React is already equipped to handle rendering on Node servers. A special version of the DOM renderer is available, which follows the same pattern as on the client side. `...
Q10. What is SSR: false in dynamic import?
It disables server-side rendering for a dynamically imported component, ensuring it only loads on the client side. ```jsx import dynamic from "next/dynamic"; const Dynami...