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Blazor RangeSlider Accessibility

The Telerik UI for Blazor RangeSlider component is WCAG 2.1 AA and Section 508 compliant. The component also follows the WAI-ARIA best practices for implementing the keyboard navigation for its component role, and is tested against the popular screen readers.


Slider accessibility specification

The two focusable elements of the RangeSlider must implement the specification for the Slider component. Here is just one clarification for the use of aria-valuetext attribute:

Selector Attribute Usage
.k-draghandle aria-valuetext Specifies the text that would be announced based on the currently selected values in both handle elements (e.g. aria-valuetext="10 - 50").


WAI-ARIA specification for Slider

Section 508

The RangeSlider is compliant with the Section 508 requirements


The component has been extensively tested automatically with static code analyzers and manually with the most popular screen readers.

Any Accessibility Issues could be reported in Telerik Support System.

Screen Readers

Environment Tool
Firefox NVDA
Chrome JAWS
Microsoft Edge JAWS

See Also

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