Bill Scott

Bill Scott
Sr. Director of UI Engineering, PayPal

Website | @billwscott

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 (

Before Yahoo! Bill led User Experience at Sabre Airline Solutions and co-founded Rico (an open source Ajax framework, 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


Location: Salon E Level: Intermediate
Steve Souders (SpeedCurve), Ryan Breen (Gomez Inc. ), Bill Scott (PayPal), Ernest Mueller (Bazaarvoice), Scott Ruthfield (Rooster Park Consulting)
Average rating: ***..
(3.80, 5 ratings)
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. Read more.
Location: Salon A-D Level: Intermediate
Bill Scott (PayPal)
Average rating: ***..
(3.75, 4 ratings)
At Netflix we have implemented round trip tracing to get an accurate measure of the end user performance experience. With this data in hand we are marching through the set of YSlow recommendations + others and tracking the measured improvements. Read more.
  • Akamai
  • Google
  • Hyperic
  • Sun Microsystems
  • 3Tera, Inc
  • Coradiant
  • Keynote Systems
  • Limelight Networks, Inc.
  • OpSource
  • TechRepublic

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