Making your Bb course accessible
Principles of making content accessible
- Provide text alternatives for any non-text content such as images, audios, videos, tables and charts so that a screen reader can read it.
- Avoid solely rely on color, shape, size, or visual location (e.g., "Click here to continue") to convey meaning.
- Use a limited number of colors.
- Make sure to have sufficient contrast between the text color and background color so that it is easy to read. You can use this Contrast Checker to check if the two colors you use provide appropriate contrast ratio.
- Use simple and familiar fonts such as arial, helvetica, verdana.
- Use a limited number of typefaces, fonts, and font variations.
- For long text content, put it in Word or PDF with which you can ensure accessibility using the accessibility checker in respective applications. Then post the Word or PDF document in the Bb course site.
Providing text alternatives for images posted in Bb
In Bb, if you want to post an image using "Build Content" > Image, make sure to
- type in a name in the Name field
- fill in the Alt Text which will be read by a screen reader
- If the image is more complex and need longer description to convey the ideas expressed by the image, type the description in the "Long Description" box.
Using Accessibility Checker tool to ensure accessibility
The new content editor includes an Accessibility Checker feature on the toolbar. It will tell you which elements in the content have accessibility issues and what information is needed to fix the problem. All you need to do is to click on the Accessibility Checker icon on the toolbar, provide indicated information, and click Repair!