Although it is easy to check about the heading of main content, there are occasions where a non-display headline is placed in the navigation portion other than the main text. It may be overlooked inadvertently as it is a hidden place, but please make sure to include the appropriate content. It is good to check off by turning off CSS.
| Principle | Operable | User interface components and navigation must be operable. |
|---|---|---|
| Guideline | Navigable | Provide ways to help users navigate, find content, and determine where they are. |
| Criterion | Headings and Labels (2.4.6 AA) |
The headings and labels explain the theme or purpose. |