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Performance is a Journey not a Destination!
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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 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 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 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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    The Widespread Effects of Facebook’s Latest Outage Posted on June 19th, 2014 by Craig Lowell

    Every day, hundreds of millions of users access Facebook, either through the site’s homepage, or through widgets and APIs on other sites. So when the social media giant experiences an outage in their service, the ripple effects spread far and wide. That’s precisely what happened for roughly half an hour on Thursday, June 19 from […]

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    How SACK Transmissions Improve Web Performance Posted on June 17th, 2014 by Brandon DeLap

    Have you ever been in the middle of a phone conversation when, suddenly, there is a loss of signal and you can’t hear the person on the other end? What do you do next? Tell the speaker the start and end of the part of the conversation that you didn’t hear? Well, computers communicate the […]

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