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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 provided
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67
Style sheets are minified
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68
Scripts are minified
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86
The ebook includes backward-compatible EPUB 2 equivalents where necessary
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87
Content files remain within the file size limits of legacy reading systems
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