Home / Speakers / Philip Tellis (Log-Normal, USA)

Philip Tellis (Log-Normal, USA)

Philip Tellis is a geek who likes to make the computer do his work for him. As co-founder and CTO of Log-Normal, Inc, he analyses the impact of various design decisions on web application performance, scalability and security. He is also the lead developer of "boomerang" -- a JavaScript based web performance testing tool.

Speaking On

Messing with JavaScript to measure real user performance

While building boomerang (Yahoo!'s performance measurement tool), we developed many interesting methods to measure network performance characteristics using JavaScript running in the browser. While the W3C's NavigationTiming API provides access to many performance metrics, there's far more you can get at with some creative tweaking and analysis of how the browser reacts to certain requests. More...

WORKSHOP: Optimising website performance to increase user engagement

Research by internet giants like Yahoo!, Google, Microsoft, AOL and Amazon has shown that the time it takes to load a web site and complete a task has a direct impact on user engagement, and consequently revenue. Given a choice between multiple competing sites, users tend to prefer those that are faster. More...

Speaker Details

In his spare time, Philip enjoys cycling, reading, cooking and learning spoken languages.

Philip has spoken at several conferences in the past, including FOSS.IN, FREED.IN, Ubuntulive, Linux Symposium, PHP Quebec, ConFoo,FOSDEM, IPC, WebDU, Velocity and JSConf, and writes for SmashingMagazine on Web Performance and Security.

Has previously done talks on...

Developing web applications with Yahoo! Pipes

Simple operators that follow the KISS principle can go a long way to transforming mundane data into rich information. Unix pipes showed us the way, and a little over a year ago, Yahoo! came out with Yahoo! Pipes, to bring unix pipes to the web. Pipes allows anyone to combine data from various sources, operate on it, and output something useful, fun, or just interesting. More...

Keynote: Hacking the Gibson Yahoo! and Microsoft Styles

Yahooligans and Microsoftians combine their powers like an RIA Voltron. More...

Websites on Overdrive

Web performance is no longer a black art practiced only by the big boys in the business.  Research and publications from all over the globe have made it fairly easy to hit the low hanging fruit of web performance, but these are early days still.  The faster we make our websites, the richer and more engaging our user interfaces can turn, which eventually translates into longer user sessions, and higher profits. More...