Accessibility Errors in Google Lighthouse

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[aria-*] attributes are not valid or misspelled

Webflow uses ARIA in some elements, such as TABS and the Hamburger menu. You don't need to do anything, it works fine.

If you get this error, check Custom Code or Element Settings > Custom Attributes.

Google Lighthouse says

Users of screen readers and other assistive technologies need information about the behavior and purpose of controls on your web page. Built-in HTML controls like buttons and radio groups come with that information built in. For custom controls you create, however, you must provide the information with ARIA roles and attributes. (Learn more in the Introduction to ARIA.)

Each ARIA role supports a specific subset of aria-* attributes that define the state and properties of that role. For example, the aria-selected attribute is used to indicate whether elements with option, tab, or similar roles are currently selected.

If an element's ARIA attribute is invalid, assistive technologies won't be able to interact with it as the developer intended.