Qualebook
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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
Performance and Compatibility
33
Technical specifications are available
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67
Style sheets are minified
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68
JavaScript files are minified
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86
ebook contains EPUB2 compatibilities when necessary
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87
Content files meet the weight limit of the oldest playback systems
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