Speech recognition

✎ Technique: Autocomplete input controls

Autocomplete widgets can be helpful for accessibility because they can make it easier to enter text by providing suggestions based on the characters initially typed. This particularly helps people who find typing more difficult and people who may be susceptible to spelling mistakes.

Creating an accessible integrated autocomplete widget is a complex process. You need to ensure that screen-reader users are notified when the list of suggestions appears and that they can enter the list and select an option using the keyboard...

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✎ Technique: Session extension

For a number of reasons including data persistence, performance and security, it is sometimes beneficial to terminate idle user sessions.

So that users do not lose data, it's important to warn them of a session that is about to expire and give them the option to continue. This is especially true in the case of people who might take longer to read or interact with a page due to a disability. It's important to make such prompts accessible.

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✎ Technique: Accessible modal dialogs

Modal dialogs can enhance usability by focusing attention on a specific message that requires a user action to continue.

An accessible modal dialog is one where keyboard focus is managed properly, and the correct information is exposed to screen readers. HTML and WAI-ARIA can be used to provide the necessary semantic information, CSS the appearance and Javascript the behavior.

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✎ Technique: Expandable sections

Expandables (sometimes called “collapsible” or “disclosure widgets”) are simple interface patterns that allow you to expand and collapse content. They can be helpful accessibility aids as they give users the choice of revealing content to read it, or bypassing the content, making page navigation more efficient for screen-reader users and people using the keyboard or alternative input devices.

To ensure that they are accessible, it's important that expandable sections are coded so that their state (expanded or collapsed) and...

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