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Showing posts with the label Node.js

Core Web Vitals: Diagnose LCP, INP and CLS

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Web Development Learning Series — Part 8 of 10 · Advanced A fast website helps learners reach the lesson and use its controls without unnecessary waiting. Performance work begins by identifying the slow experience, not by applying every optimization tip at once. This guide uses a course landing page as a practical example. Imagine the page opens with a large banner image, a signup widget, and a video lesson. Those features can affect loading, interaction, and stability in different ways. Measure each problem separately before changing the design.
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Node.js API Tutorial: Build a Read-Only Course Endpoint

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Web Development Learning Series — Part 7 of 10 · Advanced A backend gives a web application a place to apply trusted rules and deliver data. In this lesson, create a small read-only course API using Node.js and its built-in HTTP module. Keeping the first endpoint simple makes routing and response behavior easier to understand. Use a currently supported Node.js release. Save the code as server.mjs so its module syntax is explicit. This demonstration has no authentication, database, or write route; it is a local learning server.
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