How to use labels, validation, and accessibility in HTML

What to know about labels, validation, and accessibility in HTML

Every input should have a label and a clear purpose. Validation helps users correct mistakes without friction. This chapter explains the concept, demonstrates a practical example, and gives you a guided exercise.

How to use labels, validation, and accessibility in HTML

Choose elements for their meaning, nest them in a clear document structure, and use descriptive attributes. Check that links and forms work with a keyboard and that images have useful alternative text.

Example: labels, validation, and accessibility in HTML

Use this example as a starting point. Identify the part that controls the result, then adapt it to your own page or project.

<label for="name">Full name</label>
<input id="name" name="name" required>

Common questions about labels, validation, and accessibility

When should I use labels, validation, and accessibility?

Use this technique when it expresses the structure, styling, or behavior your page needs. Keep the implementation focused and test it with the surrounding content.

What should I practice next?

Build a small profile page using a heading, paragraph, image with alt text, a link, and a semantic main element.