Image alt text
type: TechArticle
description: Every element must have an alt attribute. The value describes the image's purpose to screen readers, search engines, and anyone whose image fails to load.
language: en
is part of: Web Specification Studio
author: Web Specification Studio
publisher: Web Specification Studio
license: https://creativecommons.org/licenses/by/4.0/
date modified: 2026-05-29T09:13:20.000Z
citation: WCAG 1.1.1 — Non-text Content (Level A)
  type: CreativeWork
  publisher: W3C
citation: Accessibility Checker — Image Missing Alternative Text
  type: CreativeWork
  publisher: Equalize Digital
citation: W3C WAI — Alt Decision Tree
  type: CreativeWork
  publisher: W3C WAI

Web Specification Studio
type: WebSite

Web Specification Studio
type: Organization

breadcrumb
type: BreadcrumbList
item list element: Home
  type: ListItem
  position: 1
  item: https://webspecification.com/
item list element: Spec
  type: ListItem
  position: 2
  item: https://webspecification.com/spec/
item list element: Accessibility
  type: ListItem
  position: 3
  item: https://webspecification.com/spec/accessibility/
item list element: Image alt text
  type: ListItem
  position: 4
  item: https://webspecification.com/spec/accessibility/image-alt-text/