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Blazor Gantt Accessibility

The Telerik UI for Blazor Gantt 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.


The Gantt component is a composite component that is used to represent project planning.

Selector Attribute Usage
.k-gantt role=application Indicates the Gantt's role as an application.

The Gantt component integrates the toolbar component and follows its wai-aria support.

toolbar accessibility specification

The main inner component in the Gantt is the TreeList.

treelist accessibility specification

Another part of the component is the Splitter component and Wai-Aria support.

splitter accessibility specification

The following Wai-Aria support is implemented in the TimeLine of the Gantt.

Selector Attribute Usage
.k-gantt-timeline .k-grid-content role=tree Associates the role of the timeline as a tree.
.k-gantt-timeline .k-gantt-rows role=presentation Used to build the accessibility tree.
.k-gantt-timeline .k-gantt-columns role=presentation Used to build the accessibility tree.
.k-gantt-timeline .k-gantt-tasks role=presentation Used to build the accessibility tasks.
.k-gantt-timeline .k-task role=treeitem Associates the role of the timeline task as a tree item.
aria-level Specifies the level of the task.
aria-describedby=.k-tooltip id Gives more details for the task through its tooltip.
.k-gantt-timeline .k-task .k-task-complete aria-hidden=true Hides the status element from the task.
.k-gantt-timeline .k-task .k-task-actions aria-hidden=true Hides the actions element from the task.

Section 508

The Gantt 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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