Qualebook
Fr
En
Rules
Menu Open
Menu Close
About
Rules
Glossary
About
Rules
Glossary
search icon
Type something to search...
Filter rules
Categories
Tags
Steps
formatting
identification
images and media
internationalization
links
performance and compatibility
rights management
structure and code
accessibility
discoverability
ecodesign
interoperability
legality
public trust
readability
usability
digital production
distribution
editorial planning
sales & marketing
The rules
21
Provide a link to each standard or accessibility profile the ebook claims to follow.
↗
22
Mark every decorative image as such
↗
23
Every linked image includes a text alternative describing the link’s function.
↗
24
Informative images include a text alternative
↗
25
Image resolution and file size are optimized for quality and performance
↗
3
4
5
6
7
