Presentation (3)
- Multimedia
- essential element or just page enrichment
- contrast between foreground image and background (color or image)
- flickering or flashing (repeated reading by screen readers,
danger for people affected by photosensitive epilepsy)
- number of images in a page and image sizes (acceptable download time,
even when using low speed connection)
- image quality (IPR, watermarking);
- every multimedia component must have a text equivalent (from a
simple description or synthesis, up to synchronized media equivalents for
time-dependent presentations)depending on the importance of the multimedia component
