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Blazor Tooltip Accessibility

Out of the box, the Telerik UI for Blazor Tooltip provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.

The Tooltip is compliant with the Web Content Accessibility Guidelines (WCAG) 2.2 AA standards and Section 508 requirements, follows the Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA) best practices for implementing the keyboard navigation for its component role, provides options for managing its focus and is tested against the most popular screen readers.


This section lists the selectors, attributes, and behavior patterns supported by the component and its composite elements, if any.

Selector Attribute Usage
.k-tooltip role=tooltip Specifies the tooltip role of the tooltip container.
id The element needs an id to be associated with the aria-describedby attribute of the trigger element.
aria-describedby=.k-tooltip id Link the tooltip trigger/anchor element with its corresponding tooltip container.


WAI-ARIA specification for tooltip

MDN description for tooltip role

Section 508

The Tooltip is fully compliant with the Section 508 requirements.


The Tooltip has been extensively tested automatically with axe-core and manually with the most popular screen readers.

To report any accessibility issues, contact the team through the Telerik Support System.

Screen Readers

The Tooltip has been tested with the following screen readers and browsers combinations:

Environment Tool
Firefox NVDA
Chrome JAWS
Microsoft Edge JAWS

See Also

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