---
title: "Discussion on \"A Real Performance Bug I Found and Fixed — Step by Step\" | Hashnode"
description: "Discussion on \"A Real Performance Bug I Found and Fixed — Step by Step\". How I tracked down a 2–15 second lag in a React form — step by step"
url: "https://hashnode.com/posts/a-real-performance-bug-i-found-and-fixed-step-by-step/69be19f9475ca179746a936a"
---

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# [A Real Performance Bug I Found and Fixed — Step by Step](https://chloezhou.dev/a-real-performance-bug-i-found-and-fixed-step-by-step?utm_source=hashnode&utm_medium=feed)

How I tracked down a 2–15 second lag in a React form — step by step

Mar 21 · 5 min read · chloezhou.dev  
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-   [#reactjs](https://hashnode.com/tag/reactjs)
-   [#javascript](https://hashnode.com/tag/javascript)
-   [#webdev](https://hashnode.com/tag/webdev)
-   [#performance](https://hashnode.com/tag/performance)

## Written by

[Chloe Zhou](https://hashnode.com/@chloezhoudev)

@chloezhoudev

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

Frontend Engineer · Documenting what I build and break

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