I found this interesting article on the Viget Web, so I quote it to share with you and the net.
[...]

Reasons why you should never make body-copy an image online:

• The information is not selectable for those who may want to copy and paste it.
• The text is not resize-able, making it very difficult for those who prefer larger type to scale it up to read.
• It is not accessible by a screen-reader for those who are visually impaired.
• It doesn't allow content to be; indexed by search engines.

[...]

Read the entire article. Made by VIGET INSPIRE