Quote:
Originally Posted by Ripplinger
I can usually tell when an epub is loaded with a dozen different fonts by the size of the file. Those I will open up to look at why the file is so large and remove all the fonts. I do the same if I find large images (I once had a book with a 6000x9000 cover image that was over 7MB in size, I'll reduce senseless image bloat as well before sending to my reader).
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What I do depends on the fonts used. If the main font used is something no actually needed and it's not a font I like or has not enough weight, I'll remove it and leave the rest. Then I'll subset. That can remove some of the fonts not used and it will reduce the size of those used. Also, I always losslessly compress the graphics and remove unused CSS. All of this makes for a smaller eBook and one more likely to work. I also check the eBooks with epubcheck. I've read of too many problems when an eBook is not technically correct.