---
title: "AJAX and Javascript settings"
slug: "ajax-and-javascript-settings"
tags: ["Reference", "Site Administrator"]
updated: 2025-07-22T10:52:18Z
published: 2025-07-22T11:18:01Z
canonical: "totara.help/ajax-and-javascript-settings"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://totara.help/llms.txt
> Use this file to discover all available pages before exploring further.

# AJAX and Javascript settings

As a Site Administrator you can adjust the site's AJAX and JavaScript preferences by going to *Quick-access menu > Appearance > AJAX and JavaScript* (/admin/settings.php?section=ajax).

| **Setting** | **Description** | **Notes** |
| --- | --- | --- |
| Use online YUI libraries | Instead of using local files, use online files available on Yahoo‘s servers. | This requires an internet connection, or no AJAX will work on your site. This setting is not compatible with sites using https. |
| YUI combo loading | This option enables combined file-loading optimisation for YUI libraries. This setting should be enabled on production sites for performance reasons. | - |
| Cache JavaScript | JavaScript caching and compression greatly improves pages' loading performance. It is strongly recommended for production sites. However, developers will probably want to disable this feature. | - |
| Activity chooser default | Decide if the **Activity chooser** should be presented to users by default. | - |
| Activity editing menus | If enabled, many of the activity-editing icons shown when viewing a course (with editing enabled) will be displayed within a dropdown menu. This reduces the content on screen when editing a course by hiding the icons until they are needed. | - |
| Block editing menus | If enabled, many of the block-editing icons shown (when editing is enabled) will be displayed within a dropdown menu. This reduces the content on screen by hiding the icons until they are needed. | - |

Join the [Totara Community](https://totara.community/) for more resources to help you get the most out of Totara.

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