Welcome to CodeA11y!

Welcome to CodeA11y, your guide to building accessible websites! This site offers comprehensive tutorials on the core technologies of web development: HTML, CSS, JavaScript, and ARIA (Accessible Rich Internet Applications).

Whether you're just starting your web development journey or looking to deepen your understanding of creating inclusive digital experiences, you'll find structured lessons and practical examples here.

Use the tabs above to explore tutorials on each topic. Within each tab, you'll find categories of lessons organized in accordions. Expand an accordion and click on a specific lesson title to display its content here.

Our mission is to empower developers to create websites that are usable by everyone, regardless of ability. Dive in and start building a more accessible web today!

HTML

Think of HTML as the fundamental framework of a webpage, much like the 2x4s that form the skeleton of a house. It provides the essential structure by defining the different sections, headings, paragraphs, images, and other elements that make up the content. Just as the 2x4s dictate the shape and layout of rooms, HTML tags organize the information on a page into a logical hierarchy. Without this underlying structure, the content would be a disorganized jumble, unable to be properly presented or styled.

CSS

Think of CSS as the paint, wallpaper, furniture, and decorations for your webpage's HTML structure. Just as you'd choose colors, textures, and layouts to transform a bare room, CSS allows you to style the visual appearance of your website elements. It controls everything from colors and fonts to spacing and positioning, bringing personality and visual appeal to the underlying content. Without CSS, your webpage would be like an unpainted house – functional but lacking in aesthetics and overall user experience.

JavaScript

Consider JavaScript the electrical wiring, plumbing, and smart devices of your webpage, bringing dynamic functionality to the static HTML structure. It enables interactive elements like buttons that respond to clicks, forms that validate user input, and dynamic content that updates without requiring a full page reload. Just as utilities make a house livable and functional, JavaScript adds behavior and interactivity, transforming a basic webpage into a dynamic and engaging user experience. It's the behind-the-scenes logic that makes things happen.

ARIA

Think of ARIA attributes as the labels you meticulously apply to the breakers in an electrical panel. Just as those labels clarify the function of each switch ("kitchen lights," "outlets"), ARIA provides semantic meaning to HTML elements for assistive technologies like screen readers. By adding ARIA roles, states, and properties, you clearly define the purpose and current status of interactive components, making your website understandable and navigable for users with disabilities. Without these labels, the functionality might be present, but its purpose would be ambiguous and inaccessible.