Giveaway: 2 Free Tickets to Velocity Conference in NY

O'Reilly's Velocity Conference is quickly approaching -- it's September 15-17 in beautiful New York. As a follow up to last month's post, I wanted to make sure people knew I had 2 more tickets left to give away to this epic front-end performance conference!
If you're hoping to win a free ticket to Velocity NY, please post a comment below citing your favorite client-side performance testing tool. Winner will be selected tomorrow!
![CSS vs. JS Animation: Which is Faster?]()
How is it possible that JavaScript-based animation has secretly always been as fast — or faster — than CSS transitions? And, how is it possible that Adobe and Google consistently release media-rich mobile sites that rival the performance of native apps?
This article serves as a point-by-point...
![7 Essential JavaScript Functions]()
I remember the early days of JavaScript where you needed a simple function for just about everything because the browser vendors implemented features differently, and not just edge features, basic features, like addEventListener and attachEvent. Times have changed but there are still a few functions each developer should...
![HTML5 Datalist]()
One of the most used JavaScript widgets over the past decade has been the text box autocomplete widget. Every JavaScript framework has their own autocomplete widget and many of them have become quite advanced. Much like the placeholder attribute's introduction to markup, a frequently used...
![Resize an Image Using Canvas, Drag and Drop and the File API]()
Recently I was asked to create a user interface that allows someone to upload an image
to a server (among other things) so that it could be used in the various web sites my
company provides to its clients. Normally this would be an easy task—create a...
My favourite client side performance testing tool is GTMetrix a web based performance tester. Link: http://gtmetrix.com/
webpagetest.org
I use mocha, I especially started using mocha with co and –harmony: https://github.com/visionmedia/co/blob/master/test/arrays.js
Oops I read that as testing tool. I use jsperf for quick tests and devtools for anything heavier
Profiling in the Google Chrome Console mixed with PageSpeed Insights are really useful for performance testing.
For testing I use the Chrome Dev Tools and a gulp task PageSpeedTest
I live in NYC area and I really want to go to this event… And I would be happy to share a blog post talking about the event…
People. You can’t beat the frustration of a potential user in the testing phase to motivate you to make things faster.
Chrome Dev Tools and New Relic
Chrome’s Dev Tools primarily.
Hey David,
My favourite client side performance testing tools are
1- Chrome Dev Tools
2- Gtmetrix
3- Pingdom (to some extent)
4- & sometimes New Relic helps a lot.
Chrome Developer Tools is the best without any doubts
I do not have a favorite tool as I am new to the testing and DevOps world. I would greatly benefit from the tickets by jump starting my learning as I am already passionate about learning these skills. Please help a developer discover the way! I will return the favor!
I use Chrome dev tools