Sunday, December 30, 2012

Progressive JPEGs and web performance

Performance Calendar » Progressive jpegs: a new best practice

Interesting article on web and mobile performance with regard to rendering and display of JPEG images.

Progressive JPEG FAQ:

http://www.faqs.org/faqs/jpeg-faq/part1/section-11.html

The article also gives ways to identify a progressive JPEG and a way to convert baseline JPEGs to progressive JPEGs.

And the comments, both on the original article, and in this HN thread about it (  http://news.ycombinator.com/item?id=4983073  ), are informative too.

Google mod_pagespeed, which I blogged about recently, has support for progressive JPEGs.

- Vasudev Ram
www.dancingbison.com

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