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Performance is a Journey not a Destination!
  • Apple-Timing
    Navigation Timing Now Supported in Safari Posted on July 25th, 2014 by Craig Lowell

    As loyal followers of the Catchpoint blog are aware, we have been leading the charge for quite some time (a year ago to the day, to be exact) for Apple to release a version of Safari that supports a navigation timing API, even taking the time to create our own Change.org petition. Today, our quest […]

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    Tales of Latency: Why Internet Speed Matters Posted on July 23rd, 2014 by Craig Lowell

    The following is based on a true story. The names have been omitted, and the places and times changed to protect those who suffered from slow internet. The line at the TSA security screening had already begun to extend beyond the “Line Begins Here” sign, and was only going to get worse. But for this […]

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    Adaptive vs. Responsive Web Design: Quantifying the Difference on Mobile Posted on July 16th, 2014 by Robert Castley

    Much has been written recently about Adaptive Web Design (AWD) vs. Responsive Web Design (RWD), with pros and cons of both being highlighted. For those new to these methodologies, here is a short summary of both approaches: Adaptive Web Design Responsive Web Design Server or Client-side to detect the device CSS ‘media queries’ to detect […]

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    In the World of DNS, Cache is King Posted on July 15th, 2014 by David Silverman and Yu Ng

    The first time I learned how DNS gets resolved, I was quite surprised by how long and complicated the process was. Think about how many websites you visit in a given day, then consider how many of those you go to multiple times. Now imagine that every time you did, the ISP’s DNS server at the […]

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    Performance On and Off the Track at the Formula 1 Grand Prix Posted on July 10th, 2014 by Robert Castley

    In the world of Formula 1, milliseconds are the difference between Pole Position and second on the grid. Millions of dollars are spent on getting the maximum performance out of both the car and the driver. Aerodynamics, car weight, engine performance, pit crew efficiency, strategists, meteorologists, engineers, etc. all play the part of trying to secure […]

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    Dissecting DNS Communications Posted on July 9th, 2014 by David Silverman and Yu Ng

    In our previous articles on DNS we gave an overview of the recursion process, but before we can go further on how DNS impacts performance, we need to understand how it the DNS protocol works. In the TCP/IP Protocol suite, DNS is an application layer protocol. DNS protocol relies on User Datagram Protocol (UDP) by […]

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    DNS Lookup: How a Domain Name is Translated to an IP Address Posted on July 1st, 2014 by David Silverman and Yu Ng

    At Catchpoint, we believe that fast DNS (Domain Name System) is just as important as fast content. DNS is what translates your familiar domain name (www.google.com) into an IP address your browser can use (173.194.33.174). This system is fundamental to the performance of your webpage, yet most people don’t fully understand how it works. Therefore, […]

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    Understanding the Anatomy of a Wireless Connection Posted on June 25th, 2014 by Alex Vetras

    Consider your smartphone. This increasingly complicated mobile device drives internet usage around the globe. According to Statista, mobile phones (and this excludes tablets) accounted for 17.4% of all web traffic in 2013, up from 11.1% in 2012. Some of this traffic is derived from new web users, whose smartphones provided their first access to the […]

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