The Web Platform
March 7–8, 2016: Training
March 8–10, 2016: Conference
San Francisco, CA

How slow load times hurt the user experience (and ultimately your bottom line)

Tammy Everts (SpeedCurve)
12:00pm–12:30pm Thursday, 03/10/2016
Average rating: ****.
(4.80, 5 ratings)

Prerequisite knowledge

Attendees should have an interest in web performance and user experience.


There are compelling arguments why companies need to care about serving faster pages to their users. Countless studies have found an irrefutable connection between load times and key performance indicators, ranging from page views to revenue. Tammy Everts outlines research-based reasons why you need to care about web performance and what you can do to make your pages faster. By the end of the discussion, you’ll understand of why improving load times is critical to delivering better online experiences and how to identify and fix common performance leeches on your pages.

Topics include:

  • User expectations
  • The impact of load time on business metrics (revenue, conversions, bounce rate, and user satisfaction/retention)
  • The cost of slow time versus downtime
  • The insidiousness of “page bloat”
  • Mobile performance
  • 18 things you can do to deliver a faster user experience
Photo of Tammy Everts

Tammy Everts


Tammy Everts is chief experience officer at SpeedCurve, where she helps companies understand how visitors use their websites, and a cochair of O’Reilly Fluent. Tammy has spent the past two decades studying how people use the web. Since 2009, she’s focused on the intersection between web performance, user experience, and business metrics. Her book, Time Is Money: The Business Value of Web Performance, from O’Reilly, is a distillation of much of this research. She also cocurates (with Tim Kadlec) WPO Stats, a collection of performance case studies.