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[ExtremeTech] Mozilla embarks on noble mission to speed up the web by bringing JPEG into the 21st century

post #1 of 18
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Quote:
As you probably know, images — in particular JPEGs — make up the vast majority of a web page’s overall size. The other elements — text, stylesheets, scripts — usually account for just a few percent of the total page size. When you load a modern news website like ExtremeTech, it’s not unusual for a single page to consist of a few megabytes of data, most of which are images. If the file size of images could be reduced by just a few percent, huge speed gains and bandwidth savings could be realized — for home and office surfers, but more importantly for people on woefully constrained and metered mobile data connections. Mozilla’s latest effort, mozjpeg, aims to do that just, by reducing the size of JPEGs by 10% or more.

Source.

And all without compromising decoding compatibility (i.e.: every device out there capable of displaying JPG's), just based on encoder improvement.

My hat off to Mozilla.
 
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post #2 of 18
Maybe they should fix the latest FireFox first
post #3 of 18
Quote:
Originally Posted by edo101 View Post

Maybe they should fix the latest FireFox first
Yes, let's halt innovation completely to fix a few minor bugs. That's the smart thing to do...
post #4 of 18
There are a bunch of products that do on-the-fly image compression based on a request's device metadata.

Here is just one.... https://developers.google.com/speed/pagespeed/module

Is this any different other than native support?


EDIT: Ok, this is not on-the-fly. This is just a jpeg compression technique and these assets are loaded to the server to be statically served.
Edited by DuckieHo - 3/6/14 at 11:48am
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post #5 of 18
Pretty neat. It is a fact that every different program that can save a JPEG does it differently. Some much better than others. The key is to avoid introducing more visual artifacts at the expense of size.
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post #6 of 18
Quote:
Originally Posted by edo101 View Post

Maybe they should fix the latest FireFox first

What's wrong with it? It's working fine for me. It even fixed a few issues with Sync.
   
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post #7 of 18
Why jpeg? Why not push for a different format?
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post #8 of 18
JPEG is pretty much universal. If we need to kill an old format, it's GIF - animated PNG would take care of that one.
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post #9 of 18
Sounds very much like Opera Turbo or Windows Phone's DataSense....

Good work Mozilla
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post #10 of 18
I think the aim here is to improve compression algorithms without sacrificing quality. The turbo things recompress at the expense of image quality.
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