SOASTA Authors


Tammy Everts

About the Author

Tammy Everts


Tammy has spent the past two decades obsessed with the many factors that go into creating the best possible user experience. As senior researcher and evangelist at SOASTA, she explores the intersection between web performance, UX, and business metrics. Tammy is a frequent speaker at events including IRCE, Shop.org Summit, Velocity, and Smashing Conference. She is the author of 'Time Is Money: The Business Value of Web Performance' (O'Reilly, 2016).

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How SOASTA and Google used machine learning to predict bounce rate and conversions

If you’re ever offered a chance to throw a million or so beacon’s worth of user data into a Google-developed machine-learning system, I highly recommend you say yes. That’s what we did here at SOASTA, when Google approached us a year ago about partnering on a pioneering research project. The results have been eye-opening. In this […]

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My favorite web performance posts this month

In case you missed it… here’s my latest roundup of performance-related news, research, and case studies. This month, we have some fantastic case studies from Instagram and The Financial Times, some new stats about mobile, hard-won wisdom about how to build a performance culture in your organization, and some eye-opening insights about the impact of performance optimization on accessibility […]

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stats you should know about mobile web performance

One year ago, Google announced that it was expanding its use of mobile-friendliness as a ranking signal. Last month, it announced that, beginning in May, it would be rolling out new changes that “increase the effect of the ranking signal to help our users find even more pages that are relevant and mobile-friendly”.

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new web performance metric for media sites: Activity Impact Score

I’ve spent years researching and writing about the intersection of web performance and business metrics, and I can tell you with a huge degree of certainty that while there’s a massive amount of research available about the correlation between performance and revenue/conversions, there’s a dearth of similar data around performance and engagement. Why the murkiness around performance and […]

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