Overview

This article provides an introduction to web accessibility, outlines the importance of following WCAG guidelines, and discusses the use of ARIA roles to enhance accessibility. It is intended for web developers and designers seeking to make their websites more accessible to all users.

 

Information

The following sections offer an overview of web accessibility principles, the role of WCAG guidelines, and practical steps for using ARIA roles and properties.

• Web Accessibility Principles
• WCAG Guidelines
• Using ARIA

 

Web Accessibility Principles

Web accessibility ensures that websites are designed and developed so that all people, including those with disabilities, can use them. The four main principles of accessibility state that websites must be perceivable, operable, understandable, and robust.

 

WCAG Guidelines

The Web Content Accessibility Guidelines (WCAG) are developed through the W3C process in cooperation with individuals and organizations around the world. They provide a single shared standard for web content accessibility that meets the needs of individuals, organizations, and governments internationally.

 

Using ARIA

Accessible Rich Internet Applications (ARIA) is a set of attributes that define ways to make web content and web applications more accessible to people with disabilities. Implementing ARIA roles and properties helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.

 

FAQ

What are the four main principles of web accessibility?

The four main principles of web accessibility are that websites must be perceivable, operable, understandable, and robust.

Why are WCAG guidelines important?

WCAG guidelines are important because they provide a clear standard for web content accessibility that is internationally recognized and helps make the web more accessible to people with disabilities.

How does ARIA improve web accessibility?

ARIA improves web accessibility by providing additional semantics that can be used to convey information about the behavior and structure of web applications, making them more accessible to users with assistive technologies.