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It isn’t enough to make headings big and bold. Headings need to be formatted as headings.
Video: How to Add Headings
In addition to formatting headings as headings, the headings need to be used in the correct order. Headings chunk out your content making it easier for everyone to read. Headings are also a major way of navigating with a screen reader.
Headings must be used in the correct order for them to be useful.
Formatting (lists, headings and links) are read aloud to screen reader users, so the content is understood in context.
Video: How to format lists in D2L
Alternative text descriptions of images (ALT text) allows screen reader users to benefit from the information being conveyed by an image. For images that cannot be adequately described in one or two brief sentences of alt text, see the Accessibility of Complex Images web page.
Links are a major method of navigating for everyone, but especially screen reader users. If the links are embedded into meaningful text, they are much more useful.
Designating column headers in a table is essential to screen reader users understanding how the information is laid out.
See these examples of good and bad data table layouts.
Screen readers read tables from left to right, top to bottom, one cell at a time (no repeats). If cells are split or merged, the reading order can be thrown off.
Read your table left to right, top to bottom (never repeating a cell). Does it make sense? A screen reader reads tables in this way.
Merged, nested, and split cells change the reading order of tables. Make sure you construct your table in a way that accommodates good reading order.
Don’t use color alone to make a distinction, a comparison or to set something off or apart from the rest of the web page. If you categorize something by color alone, those who are color blind or blind will not benefit from the color distinction.
If you print your color graphic on a black and white printer, would it be understandable? Without sufficient color contrast, people who are color blind will not be able to benefit from the information.
Check color contrast with D2L’s color tool
For a stand-alone tool that can test things in many applications (not just D2L), try the Colour Contrast Analyzer Tool
We recommend the D2L quiz tool for creating forms. If you link out to an outside web-based form, check its reading order and how well it works with a screen reader.
Tab order and proper labeling of form fields and buttons is important to those who are blind or physically disabled.
If you are using the D2L quiz format as your form, you can be assured that the form fields and buttons are clearly labeled.
For other forms,
People with carpal tunnel and other mobility issues often cannot use a mouse. While there are more and more input device and software options such as speech to text software and touchpads, keyboard accessibility remains an important input format for many assistive technologies.
Keyboard commands clearly provided (and common operating system and browser keyboard commands) may also be used.
Even if something is keyboard accessible, objects, buttons or input fields may not be properly labeled which would make the learning object inaccessible to someone using a screen reader.