Error · landmark-complementary-is-top-level

Sidebar nested inside another area

Q: What does the landmark-complementary-is-top-level error mean?

Sidebar nested inside another area. A sidebar is inside the main content, so it is announced in the wrong place.

A sidebar is inside the main content, so it is announced in the wrong place.

Who it leaves out: blind people (screen readers)

How to fix it

Move it outside. Developer task.

In the code

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Automated testing covers roughly half of WCAG criteria; a full conformance claim also requires manual review. Technical information, not legal advice.