---
title: "Discussion on \"Turning any RSS feed into a fast JSON API on Vercel\" | Hashnode"
description: "Discussion on \"Turning any RSS feed into a fast JSON API on Vercel\". Practical HTTP caching with ETag and conditional requests for real-world performance"
url: "https://hashnode.com/posts/turning-any-rss-feed-into-a-fast-json-api-on-vercel/68adbf5b402323c7345c8a2c"
---

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# [Turning any RSS feed into a fast JSON API on Vercel](https://tobechiduru.hashnode.dev/turning-any-rss-feed-into-a-fast-json-api-on-vercel?utm_source=hashnode&utm_medium=feed)

Practical HTTP caching with ETag and conditional requests for real-world performance

Aug 26, 2025 · 3 min read · tobechiduru.hashnode.dev  
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-   [#nodejs](https://hashnode.com/tag/nodejs)
-   [#javascript](https://hashnode.com/tag/javascript)
-   [#vercel](https://hashnode.com/tag/vercel)
-   [#serverless](https://hashnode.com/tag/serverless)
-   [#web-performance](https://hashnode.com/tag/web-performance)
-   [#caching](https://hashnode.com/tag/caching)
-   [#rss](https://hashnode.com/tag/rss)
-   [#mern](https://hashnode.com/tag/mern)

## Written by

[Tobechi Duru](https://hashnode.com/@tobechiduru)

@tobechiduru · Lagos, Nigeria

  
[View profile](https://hashnode.com/@tobechiduru)

Building scalable apps with MongoDB, Express, React, and Node

Software Engineer, MERN-Stack Developer

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