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Alt Text: What to Write

Summary:  Images are decorative, functional, or informative. Skip alt text for decorative. Describe the action for functional. Convey the message for informative. Alt text, or alternative text, is a brief description added to images on a website, enabling screen readers to convey visual content to individuals with visual impairments. Well-crafted alt text is essential for […]

Alt Text: Don’t Just Describe Images

Summary:  Write alt text that communicates an image’s purpose without repeating page content. Focus on meaning rather than visual description. Alt text (or alternative text) is metadata intended to help screen-reader users understand what an image is depicting. Most guidance for writing alt text describes how to make individual web-based images accessible and understandable for […]

Experimenting with local alt text generation in Firefox Nightly – Mozilla Hacks – the Web developer blog

As discussed on Mozilla Connect, Firefox 130 will introduce an experimental new capability to automatically generate alt-text for images using a fully private on-device AI model. The feature will be available as part of Firefox’s built-in PDF editor, and our end goal is to make it available in general browsing for users with screen readers. […]