---
title: "Discussion on \"Understanding async and defer attribute\" | Hashnode"
description: "Discussion on \"Understanding async and defer attribute\". Script loading techniques and their impact on performance"
url: "https://hashnode.com/posts/understanding-async-and-defer-attribute/62a36f4d165482d2b3ee9c5a"
---

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# [Understanding async and defer attribute](https://sinchanams.hashnode.dev/understanding-async-and-defer-attribute?utm_source=hashnode&utm_medium=feed)

Script loading techniques and their impact on performance

Jun 10, 2022 · 5 min read · sinchanams.hashnode.dev  
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-   [#async-vs-defer](https://hashnode.com/tag/async-vs-defer)
-   [#html5](https://hashnode.com/tag/html5)
-   [#webdevelopment](https://hashnode.com/tag/webdevelopment)
-   [#webdev](https://hashnode.com/tag/webdev)
-   [#performance](https://hashnode.com/tag/performance)

## Written by

[Sinchana M S](https://hashnode.com/@SinchanaMS)

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