Alternative text, or "alt text", is a written description of the visual content in an image. It is typically one or two sentences long, and should convey any important visual information. For example, ...

Tall hamburger with a hand reaching for it. The introduction to the article, surrounded by a collection of examples of alt text, displayed over blank boxes, arranged in a scattered formation.

In this guide, you will learn about alternative text (known as alt text): what it is, why it is important for on-page SEO, how to use it correctly, and more. It’s often overlooked, but every image on ...