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Performance is a Journey not a Destination!
  • Understanding-RTT-Impact-on-TCP-Retransmissions
    Understanding RTT Impact on TCP Retransmissions Posted on April 29th, 2014 by Brandon DeLap

    Ever get asked to explain or elaborate on something that you should definitely know, only to realize that you don’t fully understand it yourself? You’re certainly not alone. Even though the basics of Transmission Control Protocol (TCP) connections are one of the very first topics covered when learning about computer network fundamentals, many of us […]

  • bigdata
    Simpson’s Paradox: DevOps’ Big Data Problem Posted on April 3rd, 2014 by Devan Gotowka

    In a big data world, numbers dictate decisions, features and investments. It’s vital we understand just what the numbers are telling us, but depending on analysis, the same data can tell two completely different stories.  It’s called Simpson’s Paradox and it can lead to poor decisions and costly errors. D’oh! More specifically, Simpson’s Paradox is […]

  • fastslow1
    We’re All Suffering With Netflix Posted on March 3rd, 2014 by Mehdi Daoudi

    Network professionals aside, most of us take access to internet for granted.  How packets flow from one end to another is so obscure, involving last mile networks, transit providers, public exchanges and even more complex delivery methods. The recent Netflix/Comcast deal and Netflix/Verizon dispute has brought the guts of how these tubes work into the […]

  • evidencebag2
    What The World’s Worst DNA Mixup Teaches Us About Monitoring Posted on February 11th, 2014 by Mehdi Daoudi

    The suspect’s DNA had been found at 40 crime scenes, linking her to burglaries, narcotics and six murders. She was Germany’s most-wanted serial killer with a $400,000 bounty on her head, yet no one knew who she was. It turns out the infamous ‘phantom’ wasn’t a murderer at all. Police were hunting an innocent factory […]

  • PerformanceRulesAdServing
    5 Performance Rules Every Ad Serving Company Must Follow Posted on January 30th, 2014 by Devan Gotowka

    Yesterday I was a victim of SPoF or Single Point of Failure. When shopping for a new web cam, an unresponsive ad tag blocked my page from loading and interrupted my browsing. Ads are on everyone’s mind with the Super Bowl coming up this Sunday. Inspired by football, and yesterday’s experience, I thought now would […]

  • pagespeed insights vs extensions
    Google PageSpeed Insights vs. Extensions – Making Sense of Conflicting Scores Posted on January 22nd, 2014 by Catchpoint Systems

    What’s it like to manage a website today? Complex. How about keeping up with the latest optimization techniques and tools? Daunting.  Now imagine your optimization efforts are graded out of 100 and you’re given separate scores that are 20 points apart.  Head. Spinning.

  • Avoiding 4g Latency
    There’s No Avoiding Network Latency on 4G Posted on January 15th, 2014 by Mehdi Daoudi

    Behind every device connected to the internet there is an underlying network, which dictates the route data packets travel. When an end user goes to www.google.com from his smartphone, the physical route and limitations of a mobile network compared to consumer internet service providers are rather hidden. Latency offers a way to shed light on these different […]

  • dropped box
    The Dropped Box that Trembled the World Posted on January 14th, 2014 by Devan Gotowka

    This past weekend, the media was ablaze with another online outage – and this time it was not a major ecommerce site, social network, or cloud provider. Dropbox, a very popular file sharing system, had a 48 hour outage after a scheduled maintenance to update the OS on their servers. During the update a scripting […]

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