WPO Stats

Case studies and experiments demonstrating the impact of web performance optimization (WPO) on user experience and business metrics.

  • Google Logo

    According to Google's DoubleClick, when comparing sites that load in 5 seconds to sites that load in 19 seconds, the faster sites had 70% longer average session lengths, 35% lower bounce rates and 25% higher ad viewability than their slower counterparts. Share on Twitter

    #sessions #ads #viewability #bounce rate #2016

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Hungry for more?

If you're looking for more resources around selling performance, we recommend the following resources:

  • Time is Money book cover

    Time is Money by Tammy Everts

    Tammy's book has study after study after study about why performance matters. She covers not just the business side of things, but also the psychology of performance: how does bad performance make users feel.
  • Designing for Performance book cover

    Designing for Performance by Lara Hogan

    Lara's book is loaded with great information about advocating for performance within your organization.
  • Path to Performance Logo

    Path to Performance Podcast hosted by Katie Kovalcin and Tim Kadlec

    The Path to Performance was a podcast dedicated to helping people figure out how to cultivate a culture of performance within their organizations.

Help make WPO Stats better by submitting your favorite performance case study.

@2023. A Tammy Everts and Tim Kadlec production.