Examples of content which is not accessible could be:
- fonts which are difficult to read (for example decorative or overly stylised fonts)
- Fonts which are too small
- poor contrast between elements on the page
- Poor colour choices such as green and red together making items difficult for people with colour blindness to see properly
- Use of overly complicated language
- Complicated menu systems
- Video which is not transcribed
- Images which do not have a text description (alt-text)
- Flashing images
and many, many more….