Blazor RadioGroup Accessibility
Out of the box, the Telerik UI for Blazor RadioGroup provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.
The RadioGroup is compliant with the Web Content Accessibility Guidelines (WCAG) 2.1 AA standards](https://www.w3.org/TR/WCAG21/) 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.
WAI-ARIA
This section lists the selectors, attributes, and behavior patterns supported by the component and its composite elements, if any.
| Selector | Attribute | Usage |
|---|---|---|
.k-radio-list |
role=radiogroup |
Announces the radiogroup role of the element. |
.k-radio-item |
role=none |
Due to issues with nested items, forces a no-role state. |
.k-radio |
readonly or aria-readonly
|
The attribute is rendered only when the radio button is read-only. |
aria-invalid=true |
The attribute is rendered only when the radio button is in a form HTML element and announces the invalid state of the component. |
|
.k-disabled > .k-radio |
disabled or aria-disabled
|
The attribute is rendered only when the radio button is disabled. |
Resources
WAI-ARIA Radio Group Specification
WAI-ARIA Authoring Practices: Radio Group
Section 508
The RadioGroup is fully compliant with the Section 508 requirements.
Testing
The RadioGroup 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 RadioGroup has been tested with the following screen readers and browsers combinations:
| Environment | Tool |
|---|---|
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |