How to Create Accessible Tables
Why Accessible HTML Tables Matter
Tables can be an effective way to present information, but they must be created with accessibility in mind. An accessible table is easy to understand, works well with assistive technologies, and avoids unnecessary complexity.
At minimum, accessible tables include three key elements: a clear caption or title, properly defined header cells, and a simple, predictable structure.
Using Tables on the Web
In most cases, tables should be avoided on CWU web pages because they can add unnecessary code, slow page performance, and may not display as cleanly on smaller screens. However, there are times when a table is the most effective way to present structured information clearly and consistently.
When a table is needed, Cascade CMS provides a Table component that should be used instead of manually inserting tables in the editor. This component ensures consistent formatting and supports the three required pieces of information needed to meet accessibility standards. To learn how to use the Table component, please refer to the Knowledge Base.
The Table component does have some limitations. Tables created with this tool are limited to four columns and are intended for simple, short pieces of content—not long paragraphs, large data sets, or complex numerical information. If you believe your content requires a more complex table, consider whether a table is truly the best format or whether a more accessible alternative—such as lists, headings, or structured text—would be more effective.
Remember that all content must remain accessible. Complex tables can be difficult for users who rely on screen readers or other assistive technologies, often resulting in confusion or a loss of context. Choosing the simplest, most readable format helps ensure that CWU’s information is clear, usable, and inclusive for everyone.
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