Alt text guides

Practical guides to writing, checking and generating alt text — for WordPress sites, WCAG compliance and everyday web work.

• How to add alt text to images in WordPress

  Add alt text in the WordPress media library and block editor by hand, or generate it automatically for new and existing images with the AltVision plugin.

• WCAG alt text requirements, explained

  What WCAG success criterion 1.1.1 requires for image alt text: informative, decorative, functional, text and complex images, with examples and common failures.

• How to write good alt text, with examples

  Practical rules for writing alt text that helps screen reader users and image search: lead with what matters, use context, skip 'image of', with before-and-after examples.

• How to find missing alt text on a website

  Find images without alt text on any web page with a free browser extension or a one-line console check, then generate and review replacements.