What is Web Accessibility?
Web accessibility ensures that websites are usable by people with disabilities, including visual, auditory, motor, and cognitive impairments.
Semantic HTML
Using semantic HTML elements like <header>, <nav>, and <main> improves accessibility.
Example: Semantic HTML
<header>
<h1>Welcome to My Website</h1>
</header>
<nav>
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
</ul>
</nav>
ARIA Roles
ARIA (Accessible Rich Internet Applications) roles provide additional information to assistive technologies.
Example: ARIA Role
<div role="navigation">
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
</ul>
</div>
Keyboard Navigation
Ensure that all interactive elements are accessible via keyboard. Use tabindex to control focus order.
Example: Keyboard Navigation
<button tabindex="0">Click Me</button>
Color Contrast
Ensure sufficient color contrast between text and background to make content readable for users with visual impairments.
Example: Color Contrast
body {
color: #333;
background-color: #fff;
}
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