Ex-YouTube Man Builds Graphics Card for Entire Internet

Re:Ex-YouTube Man Builds Graphics Card for Entire Internet by e98cuenc on Thursday May 30, 2013 @12:49PM (#5793589)

We have a service similar to imgix (thumbr.it). The way we serve retina images is that you add @2x to the name of the images with JS, and when we see the image name ends with @2x we serve double the size you requested (see http://thumbr.it/api/documentation/#retina).

I guess the imgix guys do something similar.

Serving different images with exactly the same URL is tricky because it will confuse the cache.

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Re:Ex-YouTube Man Builds Graphics Card for Entire Internet by kaffeinecoma on Thursday May 30, 2013 @02:19PM (#5794183)

Stupid question: are you just doubling every pixel of a non-retina source for the @2x images? Does that really provide any extra clarity on a Retina display (beyond setting the proper size of the image?) Or are you actually starting with an @2x image and halving it for non-2x default?

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Re:Ex-YouTube Man Builds Graphics Card for Entire Internet by e98cuenc on Thursday May 30, 2013 @02:30PM (#5794263)

The retina modifier is only useful when you request a smaller thumbnail than the original.

So your original may be 1000x1000px, you use a 128x128 thumbnail on your regular (non-retina) site, and you serve 256x256 thumbnail to your retina users.

If your original image is small then there is nothing to do.

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