- Introduction to alternative text (WebAIM)
- Images tutorial (W3C)
- The alt decision tree
- Integrating complex images: techniques
- Image description guidelines (DIAGRAM Center)
- Effective practices for description of science content within digital talking books
- Describing figures
- How to write alt text and image descriptions for the visually impaired
- How to design great alt text: an introduction
- How museums are making artworks accessible to blind people online
- 5 tips to improve your use of text alternatives
- Writing alt text for data visualization
- Contextually marking up accessible images and SVGs
- Accessible visualization via natural language descriptions: a four-level model of semantic content
- Going beyond the alt attribute: a complete guide to image SEO
- Complex images – making sense for accessibility
- W3C WAI Images Tutorial
- UKAAF advice and resource list on accessible images