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Re:Improving Dropbox Performance: Retrieving Thumbnails by b0b0b0b on Monday January 27, 2014 @08:30PM (#7134696)
Were you already serving thumbnails over https? Or were they served over http?

edit: I was also wondering whether you can skip downloading some thumbnails based on the velocity of the scroll.

Re:Improving Dropbox Performance: Retrieving Thumbnails by ziga on Tuesday January 28, 2014 @03:27AM (#7136024)
We were already serving over https (we've implemented HSTS some time ago).

And good observation about scrolling -- we do in fact queue, prioritize, and skip thumbnails based on scrolling.