Originally Posted by DaleDe
A file is typically more than one page so you comment doesn't really make much sense. Placing an end note at the end of the current file is typically not on the current page. But an eBook reader typically loads and parses an entire file at once into its ram memory so a jump within a file (current ram contents) is way faster than loading another file doing the jump and then reloading the original file. A foot note on page is not generally noticeably faster than a link to an end note at the end of the chapter.
True, but a link to an endnote at the end of the entire book may be noticeably slower (especially on an older slower reader), since that will involve loading and parsing a different file.