Presented by Tiffany France.

  • The biggest benefit has to do with user experience.
  • Single-page applications (SPAs) are supposed to provide an “app-like experience.”

Users respond to speed

  • A half second caused a 20% drop in Google’s traffic on search result pages.
  • For Amazon, a 100 millisecond delay caused a “substantial and costly drop in revenue.”
  • Shopzilla redesigned, focusing on page load time, and saw a 25% increase in page views and a 7-12% increase in revenue.


  • SPAs improve latency by offsetting server work to the client (the browser).

  • SPAs selectively load page fragments.

  • Use localStorage to remember user actions.

  • Reduces load time by using templates.

  • Uses AJAX for tasks.

  • An introductory tutorial for developing a PhoneGap Application.