Developing Websites for Accessibility

Description

Many developers struggle to meet the WCAG accessibility guidelines relating to images, audio, and video content, particularly when working with tables, charts, dynamic charts, and live data.

In this course, Accessibility: Exploring Images and Media, you'll learn how to meet the WCAG accessibility guidelines relating to non-text content on your website.

First, you'll explore the challenges that your website users can face with non-text content, how to use HTML and CSS to describe images appropriately, and what to do in the rare scenarios where a short text alternative isn’t possible, by utilizing some specific methods and useful libraries.

Next, you'll evaluate some audio/video content, learn how to provide appropriate transcripts and captions, and discover some tools to assist you in this process.

Finally, you’ll learn about colour blindness and how to ensure that your website has appropriate colour contrast, as well as other sensory concerns like flashing images and auto-playing audio.

When you're finished with this course, you'll have a clear understanding of the issues involved with images and media, and how to develop websites that allow this media to be consumed by a wider audience, meeting WCAG Level AA.

Description

Keyboard traps can cause a variety of problems and frustrations for keyboard-only users.

In this course, Accessibility: Keyboard Input and Forms, you'll gain the ability to create solutions for some of the challenges that keyboard-only users can face with websites.

First, you'll learn how to ensure that a site is accessible to them, why keyboard focus indicators are essential, how to spot and prevent keyboard traps, and how to make a custom control keyboard-friendly.

Next, you'll discover various methods for labelling and describing input controls, as well as making CAPTCHAs more accessible.

Finally, you'll explore validation messages and error handling, how to link error messages to the form controls, and how to inform a screen reader user that there was an issue with the input.

When you're finished with this course, you’ll have a clear understanding of the techniques necessary to make a website accessible to keyboard-only users, and how to make forms easy to use for a wider audience.

Description

As web development gets more complex, more users on assistive technology become cut off from the content of the web. In this course, Accessibility: Website Structure and Comprehension, you’ll revisit the foundations of web development to prevent accessibility problems before they start. First, you’ll explore good semantic markup and structure. Next, you’ll discover how to make web interactions comprehensible. Finally, you’ll learn how to create user interfaces perceivable by users with a wide range of abilities. When you’re finished with this course, you’ll have the deep understanding of accessibility needed to create websites for everybody.

Description

ARIA can be difficult to understand and learn, but it is absolutely essential in order to provide a rich and interactive experience on the web. In this course, Introduction to Developing Custom Components with ARIA, you’ll learn foundational knowledge to build accessible interactive components using ARIA. First, you’ll explore important resources essential to guiding you as you engineer your custom components. Next, you’ll learn about the 5 rules of ARIA and the 3 things that all interactive components must provide. Finally, you’ll discover how to build an expandable component and a menu button as practical examples. When you’re finished with this course, you’ll have the skills and knowledge of the core principles that will guide you to develop your own accessible components using ARIA in order to ensure a good experience for everyone.

Description

The web is designed to work for all people regardless of ability or disability, but accessibility for those with special needs is often overlooked in both the design and development processes. In this course, Developing Websites for Accessibility: Getting Started, you will gain foundational knowledge of common accessibility issues and how you can address them. First, you will learn how those with various disabilities access and use the web. Next, you will explore the WCAG guidelines and discover the ways in which you can meet them. Then, you will discover how to better design and code for those facing these issues. Finally, you will see how to make forms and media more accessible. When you are finished with this course, you will have a solid foundation to begin creating solutions that work, not just for those without disabilities and impairments, but for everyone.