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Reducing Bandwidth Usage

If you're approaching your bandwidth limit, there are some practices you can put to use inside your admin partition to help cut back.
The short list:
  1. Optimize your images
  2. Optimize your videos
  3. Host large resources elsewhere
  4. Don't repeat materials
  5. Replace images with stylized text
Optimize Your Images
    When your users view an image from anywhere within your lms - modules, portals, courses, etc. - they are getting the full image. If you scaled a 1800px x 1600px .gif down to 24px x 24px, users are downloading the 1800px x 1600px image, not the 24px x 24px image. The best practice is to upload the correct file size.
    Another way to cut down bandwidth via images is to use a smaller image file type. The three most common are .jpg, .png, and .gif - of these three, .jpg consumes the least amount of bandwidth but may appear slightly more pixelated than the others. .png uses slightly more space, but offers a crisp picture and supports transparency. .gif uses the most space, but supports animated pictures and transparency. Of these three, .png offers the best image to space ratio.

Optimize Your Videos
    If you don't want videos using large chunks ofyour bandwidth, you can host the video on another server, or have it point to a Youtube video.
    If hosting your videos on a different server isn't a viable option, you can minimize the resources your videos consume by optimizing them for the web. One of the best ways to keep this low is to keep the video's frame size small - a 2200px by 2600px video may look fantastic, but it may not be necessary to publish such a large video.
    Another tip for optimizing your videos is to break down long videos into several smaller ones. Most 90 minute long .mp4s can be cut down into several more reasonable 5-20 minute videos. This will spare you some bandwidth as well as allowing your users to access the video at a more tolerable buffer rate.

Host Large Resources Elsewhere
    On the topic of reallocating your resources, storing large files in your LMS should be avoided whenever possible. .zip, .pdf, .xlsx, and other large files types can all be stored off your Learning Management System - when users need to access these resources, they can be directed using links added directly into your courses.

Don't Repeat Material
    If you're using the same content across multiple courses (introduction videos, welcome pages with images, etc.) consider directing users to one page instead of repeating it multiple time. By directing using to one page, users will access the page using cached resources if they access it again from a new course. These cached resources don't need to be loaded to the user's browser again because the browser 'remembers' them from before.
Replace Images With Stylized Text
    A bit of css know-how goes a long way in conserving you bandwidth. Instead of loading a 800px by 150px .png, you can replicate this by adding some css and text - this will help cut back on your bandwidth usage significantly. CSS can be added to course pages via the advanced editor, to portal pages with the css widget OR the portal settings, and (although not recommended) through in-line styles.
The features discussed in this article may or may not be available on your LMS system.
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