| Techniques |
- The
header element defines a banner landmark, except when it is a descendant of any of the following elements: article, aside, main, nav or section.
- If the
header element technique is not being used, a role="banner" attribute on the container element for the branding content can be used to define a banner landmark.
- In websites that support mashups using
iframe or frame elements, a banner landmark is allowed in each frame.
- If the page is part of a website supporting mashups, use the
aria-labelledby or aria-label attribute to differentiate banner landmarks in each frame.
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