Performance is a Journey not a Destination!
  • NYTimesUpDown
    How the NYT Was Up When It Was Down Posted on August 15th, 2013 by Mehdi Daoudi

    Yesterday, the big web news story of the day was the NYT outage.  But the bigger performance story of the day was not the fact the NYT was down for a few hours, but rather, how the NYT team did all the right things to handle the outage. On our end, Catchpoint synthetic agents started recording […]

  • rum
    Top Shelf vs. Watered-Down RUM Posted on August 5th, 2013 by Catchpoint Systems

    Last week we asked our readers to sign a petition requesting Apple to add the Navigation Timing specification on Safari browsers. This week we are detailing the two different methods for Real User Measurement and why using Navigation Timing is crucial for accurate metrics. Real User Measurement (RUM) is a method of capturing performance metrics […]

  • ApplePetition
    Apple: Please Support Navigation Timing API in Safari Posted on July 25th, 2013 by Mehdi Daoudi

    Today many websites leverage Real User Measurement (RUM) technologies to measure and optimize user experience. The primary method to collect the data is based on the Navigation Timing API spec from W3C. The API allows browsers to pass to website developers accurate timings for key milestones of loading a webpage. The specification has been adopted by all browser […]

  • domino
    The Domino Effect of LinkedIn’s DNS Outage Posted on June 21st, 2013 by Mehdi Daoudi

    On Wednesday night users trying to access LinkedIn site were redirected to servers owned by Confluence Labs.  The outage lasted a couple of hours and a post mortem Thursday described the issue as caused by human error at Network Solutions, provider for LinkedIn’s DNS. Immediate effect of the outage is obvious: upset LinkedIn users, ad […]

  • london
    Catchpoint Nodes Take Over London Posted on April 16th, 2013 by Mehdi Daoudi

    This week Catchpoint launched 6 new nodes in London, which are connected to 6 consumer ISPs: British Telecom, O2, Virgin Media, TalkTalk, Orange, and Sky. The connections range from ADSL2 to Cable. This deployment brings our coverage in the United Kingdom to 11 nodes (5 Backbones nodes and 6 Last Mile nodes). I wanted to […]

  • thankyou
    A million thanks! Posted on April 2nd, 2013 by Mehdi Daoudi

    This post has nothing to do with web performance… well kind of. Starting a company is an adventure, with its highs and lows.  It’s a real roller coaster, but no one told us that when we decided to leave our comfortable jobs at Google almost 5 years ago. The highlights for me are always customer-related.  Winning a new account, jumping […]

  • webp2
    Faster, smaller and more beautiful web with WebP Posted on March 26th, 2013 by Catchpoint Systems

    This is a guest post courtesy of Ilya Grigorik. The post originally appeared on Ilya’s blog on March 7, 2013.  At the risk of sounding repetitive… An average page is now over 1300 kB in size and over 60% of that is in images. Hence, if you have limited time, then inspecting and optimizing your image assets will likely yield the […]

  • guide
    A Comprehensive Guide to WebP Posted on March 8th, 2013 by Catchpoint Systems

    This is a guest post courtesy of Jonathan Klein. The post originally appeared on Jonathan’s Blog on Feb 20th, 2013.  WebP (pronounced “weppy“) is an ambitious and promising new image format that was created by a team at Google back in September of 2010, but browser adoption has been slow.  At the time of this writing the […]

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