By alex on January 30, 2011
I’ve been having a several-day mail, IRC, and twitter discussion with various folks about performance and the feature detection
religion technique, particularly on mobile where CPU ain’t free. So what’s the debate? I say you shouldn’t be running tests in UA’s where you can dependably know the answer a-priori.
By Ryan Grove on June 28, 2010
In early 2008, Wayne Shea and Tenni Theurer wrote a YUI Blog post on iPhone Cacheability in which they shared the results of research into various characteristics and limitations of Mobile Safari’s cache in iPhone OS 1.x. Among other things, they found that individual components larger than 25KB were not cached, and that there was a maximum total cache size of between 475KB and 500KB.
By Tenni Theurer on August 21, 2009
This is the second in a series of articles describing experiments conducted to learn more about optimizing web page performance. You may be wondering why you’re reading a performance article on the YUI Blog. It turns out that most of web page performance is affected by front-end engineering, that is, the user interface design and development.