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Svelte is an open-source web application framework focused on improving the way that JavaScript frameworks build user interfaces during the compile stage. Svelte shifts much of the work done by traditional frameworks from runtime to compile time, resulting in smaller bundle size and faster performance. The framework achieves this with a combination of reactive declaration syntax, virtual DOM diffing at build time, and context-aware code generation techniques that remove unused code. This approach allows developers to write applications with concise, readable components while keeping JavaScript payload low. Svelte's core library is complemented by a rich ecosystem of tools and libraries designed for smooth integration — making Svelte a compelling choice for front-end development projects aiming to deliver efficient applications without sacrificing developer productivity or user experience.

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