Monthly Archives: January 2012

Beware of Blind Spots in Browser Network Capture Tools

Posted on January 25, 2012 by

  We all know how dangerous blind spots are when driving. Before changing lanes or making a turn, you check your mirror and turn your head to ensure there is no car in your blind spot. Make a decision using … Continue reading →

Posted in 3rd Party Monitoring, TCP, Web Performance, WPO | Tagged , , , , | 3 Comments

One of my Best Friends, Robots.txt

Posted on January 19, 2012 by

One of the biggest challenges for online companies is troubleshooting an unexpected slowness of their web site or application in highly distributed architecture. Pinpointing the exact root cause of the slowness is like looking for a needle in a haystack. … Continue reading →

Posted in Benchmarking, Chart of the Week, Tips, Web Performance | 1 Comment

Free Ebook: Web Performance Insights 2011

Posted on January 17, 2012 by

Our recent collection of blog posts from 2011 was quite popular so we made it available in ebook format as a convenience to our readers.  The articles cover various web performance case studies and guidelines on how to manage and … Continue reading →

Posted in 3rd Party Monitoring, Benchmarking, DNS, Page Speed Score, QoE, SLA, Tips, Web Performance, WPO | Tagged , , , | 2 Comments

When DNS Sneezes, Web Speed Catches a Cold

Posted on January 10, 2012 by

For our frequent readers, it is no surprise that we firmly believe DNS has a huge impact on Performance. One of the biggest challenges with DNS is understanding what impact various DNS issues can have on end users. DNS resolution … Continue reading →

Posted in Chart of the Week, DNS, Outage, Tips, Web Performance | 1 Comment

Observations of 3rd Party Providers and CDNs on Top Retail Sites

Posted on January 9, 2012 by

While monitoring the performance of the Internet Retailer Top 50 Retailers this past Holiday Season, we also tracked what third party vendors and CDNs were utilized and measured their impact on each website.  The data collected not only offered insights … Continue reading →

Posted in 3rd Party Monitoring, Tips, WPO | Tagged , | Leave a comment

Holiday Shopping 2011: State of Retail Web Performance

Posted on January 5, 2012 by

According to ComsScore, Retail online spending for the entire November – December 2011 holiday season touched $37.2 Billion, an increase of 15% versus last year. In a perfect world these numbers look great for the state of ecommerce, but we (and … Continue reading →

Posted in Chart of the Week, Web Performance | 1 Comment