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
!
![Create Spinning Rays with CSS3: Revisited]()
![Regular Expressions for the Rest of Us]()
Sooner or later you'll run across a regular expression. With their cryptic syntax, confusing documentation and massive learning curve, most developers settle for copying and pasting them from StackOverflow and hoping they work. But what if you could decode regular expressions and harness their power? In...
![HTML5 Context Menus]()
One of the hidden gems within the HTML5 spec is context menus. The HTML5 context menu spec allows developers to create custom context menus for given blocks within simple menu and menuitem elements. The menu information lives right within the page so...
![Flext: MooTools Auto-Growing Textrea Plugin]()
A while back David Walsh published a list of
7 MooTools Plugins You Should Use on Every Website
which included 'AutoGrow' a text area expander plugin. 'AutoGrow' is very similar in results to the class I wrote for Education.com, Flext. I decided to release this...
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