Performance is a Journey not a Destination!
  • www prefix
    Should Your Domain Include WWW? Posted on August 31st, 2015 by Mehdi Daoudi

    We operate in an industry where most of the people who work in development, engineering, IT Operations, etc. optimize their sites to death, trying to squeeze every millisecond out of their load times. Yet sometimes, techniques that are staring us right in the face go unnoticed. Recently, as I was trying to buy a new […]

  • IPv6 adoption
    Apple Leading the Way in the Adoption of IPv6 Posted on August 24th, 2015 by Catchpoint Systems

    This article originally appeared on Mattias Geniar’s personal blog. This is pretty exciting news for the adoption of IPv6. In June, Apple announced that all iOS9 apps need to be “IPv6 compatible.” Because IPv6 support is so critical to ensuring your applications work across the world for every customer, we are making it an AppStore submission […]

  • consumer network
    The Importance of Monitoring Consumer ISPs Posted on August 20th, 2015 by Mehdi Daoudi

    At their heart, web performance monitoring companies have a basic goal: to provide their customers with the most comprehensive and accurate look possible into the health of their online systems. This goal is accomplished in multiple ways, but one of the most important is through synthetic testing from servers plugged into the internet backbone. Using […]

  • shutterstock_221674402
    Clear Skies Ahead: Explaining and Contextualizing Apdex Values Posted on August 18th, 2015 by Matt Izzo

    Partly cloudy with scattered showers. Apdex is like a basic weather report; it provides a general overview of current conditions, but it doesn’t tell you how many people are standing out in the rain. Typically, Apdex is used as an index to represent response time performance against user expectations. For web pages, this is a […]

  • GOP Debate
    Politics and Performance: The First Republican Primary Debate Posted on August 12th, 2015 by Craig Lowell

    Though much of the hoopla from last Thursday’s Republican Primary debate has died down, pollsters and talking heads are still delving into the aftermath of the candidates’ performances and how it might affect their popularity numbers going forward. We, of course, are interested in far different metrics. There’s no doubt that a political campaign is […]

  • CDN banner image
    How to Pick the Right CDN Provider Posted on August 3rd, 2015 by Mehdi Daoudi

    In order to deliver a complete web experience to your users, it’s important to utilize the services of a reliable Content Delivery Network. The basic promise of the traditional CDN product is to provide better and faster web performance for end users by serving static assets from the edge (it’s worth noting that CDN companies […]

  • IT business goals
    Aligning Web Performance Goals with Business Initiatives Posted on July 29th, 2015 by Mehdi Daoudi

    The following post originally appeared as a guest byline on Multichannel Merchant. Ever since the internet and eCommerce websites were created, the needs of the end users have been at the forefront of the mind of every IT operations professional. It’s a perfectly logical prioritization to make; the customer is always right, so it only […]

  • flags
    TCP Flags and What They Mean Posted on July 23rd, 2015 by Roman Kurjewicz

    So you’re reviewing a packet capture and you come across the TCP headers with the URG or PSH flags set.  Have you ever wondered what they mean? Or what they do? Or what they’re supposed to do? Let’s dive in and check them out. Pushing the data forward Consider this scenario: you’re using one of […]

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