Websites & Technologybeginner
Image Alt Text
Definition
A written description of an image added to the HTML code, helping screen readers make content accessible and helping search engines understand image content.
Why it matters
Alt text improves SEO by giving search engines context for images, and it is legally required for accessibility compliance in many countries.
Example
Instead of an image filename "IMG_4531.jpg," a product image has alt text: "Handmade ceramic blue speckled coffee mug with handle."
Related terms
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