---
title: "Discussion on \"Your AI Stream is Fast, but Your UI is Lagging. Here’s Why.\" | Hashnode"
description: "Discussion on \"Your AI Stream is Fast, but Your UI is Lagging. Here’s Why.\". Stop microtasks from starving your UI. Master scheduler.yield() to fix laggy AI streams and keep your INP under 200ms. A Product Engineer's guide."
url: "https://hashnode.com/posts/main-thread-hygiene-javascript-performance/69e3482e974506f6b3bab70e"
---

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# [Your AI Stream is Fast, but Your UI is Lagging. Here’s Why.](https://blog.ankitapatil.dev/main-thread-hygiene-javascript-performance?utm_source=hashnode&utm_medium=feed)

Stop microtasks from starving your UI. Master scheduler.yield() to fix laggy AI streams and keep your INP under 200ms. A Product Engineer's guide.

Apr 18 · 3 min read · blog.ankitapatil.dev  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#web-development](https://hashnode.com/tag/web-development)
-   [#performance](https://hashnode.com/tag/performance)
-   [#aioptimization](https://hashnode.com/tag/aioptimization)
-   [#genai](https://hashnode.com/tag/genai)
-   [#core-web-vitals](https://hashnode.com/tag/core-web-vitals)

## Written by

[Ankita Patil](https://hashnode.com/@ankitaP)

@ankitaP

  
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