Fast web pages are critical to a good user experience, but what is “response time” and how should it be measured? This panel discusses what parts of page loading should be measured and the importance of perceived versus instrumented speed. Frameworks for measuring response time are compared: services (such as Keynote, Gomez, and WebMetrics), home grown test labs, and instrumenting real user traffic. The challenges of, and possible solutions to, measuring Web 2.0 applications are discussed.
Steve works at Google on web performance and open source initiatives. He previously served as Chief Performance Yahoo!. Steve is the author of High Performance Web Sites and Even Faster Web Sites. He is the creator of YSlow, one of the top 25 of 2 billion Firefox add-ons. He’s created many other performance tools and services including Cuzillion, Jdrop, ControlJS, and Browserscope. He serves as co-chair of Velocity, the web performance and operations conference from O’Reilly, and is co-founder of the Firebug Working Group. He taught CS193H: High Performance Web Sites at Stanford University.
Ryan Breen is the vice president of technology at Gomez, a provider of Internet application performance information. After graduating from Duke University with degrees in computer science and economics in 2000, he led a team creating a suite of Web performance management technologies, including a Java-based, Web browser emulation platform. Using these tools, Ryan has worked with hundreds of top Internet companies to measure and manage the performance of their Web applications. As more customers have moved to Ajax technologies, Ryan has helped them define performance best practices applicable to the new development style.
Bill Scott recently joined Netflix, the world’s largest online movie rental service, as the Director of UI Engineering.
Previously, Bill led engineering for Yahoo! Teachers, a web 2.0 community allowing teachers to gather, organize & share web resources and lesson planning. In addition, as an Ajax Evangelist at Yahoo! he focused on spreading the goodness of “rich and sane” Ajax design & development. Bill is a frequent speaker at conferences and workshops discussing the nuances of good design and the challenges of great engineering. At Yahoo! Bill was also the Design Pattern curator where he launched the public Yahoo! Design Pattern Library (http://developer.yahoo.com/ypatterns).
Before Yahoo! Bill led User Experience at Sabre Airline Solutions and co-founded Rico (an open source Ajax framework, openrico.org.) For 20 years Bill has bounced back and forth between design and engineering projects, creating products in areas as diverse as video games, widget libraries, war gaming, IDE tools, airline management and Web consumer sites. His musings can be found at http://looksgoodworkswell.com.
Ernest manages the DevOps Platform team and software releases for the SaaS company Bazaarvoice. He’s been a sysadmin, architect, manager, and programmer in turns for more than 15 years, and is now a cloud computing and DevOps practitioner and evangelist.
Scott Ruthfield is founder of Rooster Park Consulting, a Seattle-based engineering leadership and custom software development consultancy, and is the acting VP of Engineering at Virtuoso, the industry’s leading leisure travel network. He was the previous VP of Engineering at WhitePages.com, and ran various technology + business teams at Amazon.com. He very occasionally blogs at scottru.com.
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