Alt Text & Accessibility
How to write, check and fix image alt text so your images work for people, screen readers and search engines.
Related: Alt Text Checker
Nov 3, 2026
Empty Alt vs Missing Alt: What's the Difference?
Empty alt (alt="") is deliberate and correct for decorative images. Missing alt is a mistake. Learn how to tell them apart and when to use each.
Nov 3, 2026How to Check Alt Text on Any Website (4 Ways)
Four ways to check a page for missing or empty alt text: a free checker, browser tools, a console snippet and Lighthouse, plus how to audit a whole site.
Nov 3, 2026How to Write Good Alt Text (With 20 Examples)
Good alt text describes what an image is for, briefly. Six simple rules and 20 before-and-after examples for photos, products, logos and charts.
Nov 3, 2026What Is Alt Text? A Simple Guide With Examples
Alt text is a short written description of an image. Learn what it is, why it matters for accessibility and SEO, and how to write it, with examples.