Audio Descriptions Difficulty: Advanced Category: Content Audio descriptions can enhance accessibility of video content for users who are blind or have other visual disabilities. Audio descriptions provide an auditory presentation of content that is presented visually, but not presented audibly in video. They typically take the form of a narrator that describes the important information […]
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Audio Descriptions Difficulty: Advanced Category: Content Audio descriptions can enhance accessibility of video content for users who are blind or have other visual disabilities. Audio descriptions provide an auditory presentation of content that is presented visually, but not presented audibly in video. They typically take the form of a narrator that describes the important information […]
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Semantic Structure Difficulty: Advanced Category: Structure Presentation Semantic structure in HTML is very useful for accessibility. Headings, lists, tables, and other elements can be identified by screen readers and can be used for navigation. For example, a screen reader user can navigate by headings (and even by specific heading level), lists, buttons, links, etc. As […]
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Tabindex Difficulty: Advanced Category: Structure Tabindex values of 1 or greater assign a specific tab order to elements. Because the default tab order of the page is typically logical and intuitive, positive values are rarely necessary. A tabindex value of 0 allows elements other than links or form elements to be focusable in the default […]
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Landmark roles Difficulty: Advanced Category: Structure Adding landmark roles to your page is an easy way to enhance accessibility. Landmark roles are part of ARIA, a new accessibility specification. Landmark roles define significant web page areas and provide the user quick access to them. The available landmark roles are application, banner, complementary, contentinfo, form, main, […]
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ARIA Components Difficulty: Advanced Category: Structure The core components of ARIA are roles, states, and properties. The dozens of attributes and role values possible in ARIA provide significantly enhanced semantics and accessibility detail over HTML alone. Basic ARIA attributes such as landmark roles, various roles to define the function of non-standard interactive elements (e.g., sliders, […]
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