June 2012
Intermediate to advanced
226 pages
5h 5m
English
Content preview from Web Performance Daybook Volume 2Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 11. Pure CSS3 Images? Hmm, Maybe Later
Several designers while at Yahoo! requested that the original YSlow logo PSD be used in promotional materials such as t-shirts, posters, flyers, etc. in some events that occurred along this year, I had no idea where it was ever since I joined the Exceptional Performance Team (http://developer.yahoo.com/performance/) to take care of YSlow (http://yslow.org/) amongst other performance tools. In order to solve this problem I decided to rebuild it from scratch because it didn't seem so complicated, the problem was I was a speed freak, not a designer so inspired by the famous pure CSS Twitter fail whale (http://www.subcide.com/articles/pure-css-twitter-fail-whale/) I put my CSS muscles to work out focusing obviously on performance to provide those designers a scalable YSlow logo (http://wh.yslow.org/css3-logo) for their delight as well as potentially having a smaller image payload to be used on the Web.
The Challenge
It was an interesting challenge from performance perspective since the less code I used, the smaller the final image would be and the faster it would perform (rendering time). My goal was to achieve a one-size-fits all solution to be used in the wild on the Web. Besides performance, as a front end engineer, I was also interested in how CSS3 could help solve this issue (cross-browser possibly) and the limitations imposed. I use Chrome for development, so my first goal was to make it happen for that browser first before ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.