Access keys let users quickly focus a part of the page. For proper navigation, each access key must be unique. Lighthouse reports any duplicate access keys found in a page:
How to fix this problem
To fix this problem,
first identify duplicate
using the Lighthouse report,
as shown in image above.
Then change the value of the duplicate
access keys so that each access key is unique.
For each defined
ensure the value is unique and does not conflict with any default browser and screen reader shortcut keys.
Access keys allow users to quickly active or move the focus to a specific element
by pressing the specified key (usually in combination with the
accesskey values creates unexpected effects
for users navigating with keys.
Learn more in
accesskey attribute value must be unique.
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