O’Reilly Velocity Conference – Santa Clara Giveaway!
O'Reilly Velocity Conference in Santa Clara is right around the bend: June 20-23, 2016. Velocity is boasting an awesome lineup of speakers covering several different topics. Learn to build websites, apps, and services that are fast, scalable, resilient, and highly available!

Velocity is my favorite of the O'Reilly Conference series because speed optimization is fun, creative, and has huge payoff for users on desktop and mobile devices!
Bronze Pass Giveaway
My friends at O'Reilly are letting me give away one free Bronze Pass to Velocity Santa Clara. Want to win? In the comment section below, share your favorite performance tip. Bonus points for code samples!
20% Off Discount
If you want to sign up today, you click here and use code PC20DWALSH!
![An Interview with Eric Meyer]()
Your early CSS books were instrumental in pushing my love for front end technologies. What was it about CSS that you fell in love with and drove you to write about it?
At first blush, it was the simplicity of it as compared to the table-and-spacer...
![39 Shirts – Leaving Mozilla]()
In 2001 I had just graduated from a small town high school and headed off to a small town college. I found myself in the quaint computer lab where the substandard computers featured two browsers: Internet Explorer and Mozilla. It was this lab where I fell...
![MooTools Accordion: Mouseover Style]()
Everyone loves the MooTools Accordion plugin but I get a lot of requests from readers asking me how to make each accordion item open when the user hovers over the item instead of making the user click. You have two options: hack the original plugin...
![MooTools 1.3 Browser Object]()
MooTools 1.3 was just released and one of the big additions is the Browser object. The Browser object is very helpful in that not only do you get information about browser type and browser versions, you can gain information about the user's OS, browser plugins, and...
Send Link preload headers for your CSS, JS, Fonts, and other assets so that the browser can get a head start on loading them. Bonus: If you use CloudFlare, or another CDN that supports it, the assets will be pushed via HTTP2 Server Push.
Sample .htaccess code from my blog: https://gist.github.com/adamzr/0c4e14999263aa4854b91f9245e16de8