How to use images, figures, and alternative text in HTML

What to know about images, figures, and alternative text in HTML

Images create visual interest, but accessible markup matters. Add descriptive alt text, captions, and responsive sizes. This chapter explains the concept, demonstrates a practical example, and gives you a guided exercise.

How to use images, figures, and alternative text 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: images, figures, and alternative text 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.

<figure>
  <img src="team.jpg" alt="Developers preparing a demo" />
  <figcaption>Team demo day</figcaption>
</figure>

Common questions about images, figures, and alternative text

When should I use images, figures, and alternative text?

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.