# ChunkProgressBar Accessibility

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

The ChunkProgressBar is compliant with the [Web Content Accessibility Guidelines (WCAG) 2.2 AA](https://www.w3.org/TR/WCAG22/) standards and [Section 508](https://www.section508.gov/) requirements, follows the [Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA)](https://www.w3.org/WAI/ARIA/apg/) best practices, provides options for managing component's 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.

The ChunkProgressBar follows the specification for the ProgressBar component.

[ProgressBar accessibility specification](https://www.telerik.com/kendo-vue-ui-develop/components/progressbars/progressbar/accessibility/wai-aria-support)

## Resources

[WAI-ARIA specification for progressbar](https://www.w3.org/TR/wai-aria-1.2/#progressbar)

[MDN reference for the progressbar role](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/progressbar_role#associated_wai-aria_roles_states_and_properties)

## Section 508

The ChunkProgressBar is fully compliant with the [Section 508 requirements](http://www.section508.gov/).

## Testing

The ChunkProgressBar has been extensively tested automatically with [axe-core](https://github.com/dequelabs/axe-core) and manually with the most popular screen readers.

> To report any accessibility issues, contact the team through the [Telerik Support System](https://www.telerik.com/account/support-center).

### Screen Readers

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

| Environment    | Tool |
| -------------- | ---- |
| Firefox        | NVDA |
| Chrome         | JAWS |
| Microsoft Edge | JAWS |

## See Also

* [Accessibility in Kendo UI for Vue](https://www.telerik.com/kendo-vue-ui-develop/components/accessibility)
* [Accessibility Compliance and Keyboard Support in Kendo UI for Vue](https://www.telerik.com/kendo-vue-ui-develop/components/accessibility/accessibility-compliance)