# Loading Scripts: defer, async and Modules

Load a script without holding up the page, and choose defer, async or type="module" by what the script needs.

![Codey's cheat sheet for Loading Scripts: defer, async and Modules: Load a script without holding up the page, and choose defer, async or type="module" by what the script needs.](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/10/c44e7515c0de474595536ee4b9321826.webp)

- Category: HTML
- Level: Journeyman
- Tags: <script>, async (javascript), defer (javascript), External script, html, Module script, Parser-blocking script, web-development
- Updated: October 31, 2026

Source: https://www.ask-codey.com/cheat-sheets/html-loading-scripts-defer-and-async-cheat-sheet