Chao (Ray) Feng

Page Phase Time: Beyond Page Load

Velocity 2013 Speaker Series: The Next Generation of Perceived Performance Measurement

Wouldn’t it be helpful if there was a UI performance measurement technology that:

  • Tells when a user, in his/her mind, considers a web page is “done” loading without relying on browser events (e.g. Onload), network timing (e.g. TTLB), or any pre-defined thresholds of pixel changes on the screen or UI element injection/tracking.
  • Measures page load time for modern web pages that are dynamically rendered.
  • Provides a platform/browser/device-independent performance measurement method that can be universally applied.

Page Phase Time (PPT) is such a technology that measures performance based on user perception.
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