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!
![Convert XML to JSON with JavaScript]()
If you follow me on Twitter, you know that I've been working on a super top secret mobile application using Appcelerator Titanium. The experience has been great: using JavaScript to create easy to write, easy to test, native mobile apps has been fun. My...
![Conquering Impostor Syndrome]()
Two years ago I documented my struggles with Imposter Syndrome and the response was immense. I received messages of support and commiseration from new web developers, veteran engineers, and even persons of all experience levels in other professions. I've even caught myself reading the post...
![Introducing MooTools LinkAlert]()
One of my favorite Firefox plugins is called LinkAlert. LinkAlert shows the user an icon when they hover over a special link, like a link to a Microsoft Word DOC or a PDF file. I love that warning because I hate the surprise...
![Camera and Video Control with HTML5]()
Client-side APIs on mobile and desktop devices are quickly providing the same APIs. Of course our mobile devices got access to some of these APIs first, but those APIs are slowly making their way to the desktop. One of those APIs is the getUserMedia API...
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