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“Le Web Performance Improvement”, French Style
A month ago, we wrote about how the Home Depot improved their web performance through a major “Perflift”. Today, we want to congratulate “l’equipe” at Le Monde for improving their website. While The...
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NBC is your DNS Ready for the Olympics? Updated 7/6/2012
I have always been a big fan of the Olympics, as I was growing up it was a huge family event, another occasion to get together, eat, shout, and laugh. In the US, to keep up with the medals you have to...
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How to Test & Benchmark CDNs?
I recently came across a very interesting post about CDN testing by Jonathan Klein, someone I respect tremendously in the Web Performance world. During his tests with Webpagetest he was unable to...
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Web Performance Pixie Dust!
If you believe in Fairy Tales, Santa, and Magic Kingdoms, please stop reading this post immediately! In the past few weeks, I have been bombarded by catch phrases and soundbites like these: Hey that...
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A Web Performance Broken Promise!
This is a fictitious conversation, I envisioned yesterday between a big e-commerce company and their CDN provider. “Dear CDN, when you approached me many years ago, you promised me web performance,...
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Pixels Gone Wild!!!!
In 2011, I posted an article, “Webpages turning into Airports without a Traffic Controller!” which talked about the complexity of current pages relying more and more on so many third parties from...
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Why We Expect Fast Websites: Sex, Drugs, Reward and Fast Pages (Part II)
Last week we brought up the question, “How did end users learn to expect fast websites?” We covered how Pavlov discovered Conditioning through experiments with his dog, which left us wondering;...
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Holiday Shopping 2012: Checklist to Fast Sites
We are exactly a month away from the start of the busiest time of year for the Ecommerce industry and there is the great possibility that in 2012 more money will be processed via “online” cash...
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Holiday Shopping 2012, State of Web Performance
The biggest online shopping season to date is about to start next week. It is one of the most important events for a retailer and probably the most stressful period for their IT operations. It is also...
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Holiday Shopping 2012, Single Point of Slowness.
The majority of the top retail websites performed very well on Black Friday weekend. Congratulations to all of you, engineers, operations, devops, performance engineers, network engineers and everyone...
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Black Friday & Cyber Monday – 2012 – The results are in!
According to IBM, Black Friday 2012 sales increased by 20%, Cyber Monday by 30% from last year. We monitored the web performance of 70 website (Excluding Netflix, Blockbuster, 1800 Flowers,...
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A Comprehensive Guide to WebP
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...
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Faster, smaller and more beautiful web with WebP
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...
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Catchpoint Nodes Take Over London
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....
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Top Shelf vs. Watered-Down RUM
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...
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On Mobile, Data URIs are 6x Slower than Source Linking
Today’s blog is a repost from Peter McLachlan, Chief Architect at Mobify. The article originally appeared on Mobify’s blog on July 23, 2013. As a web developer, you’re likely well aware that a key...
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Why Domain Sharding is Bad News for Mobile Performance and Users
Today’s blog is a repost from Peter McLachlan, Chief Architect at Mobify. The article originally appeared on Mobify’s blog on October 30, 2012. In this post we’ll review the results of a real-world...
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Black Friday & Cyber Monday – 2012 – The results are in!
According to IBM, Black Friday 2012 sales increased by 20%, Cyber Monday by 30% from last year. We monitored the web performance of 70 website (Excluding Netflix, Blockbuster, 1800 Flowers,...
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The 10 Biggest WebPerf Storylines of 2013
From headline outages to staggering growth statistics, the WebPerf community has had a lot to talk about this year! We counted down what we believe are the 10 biggest storylines of 2013 as we look...
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Web Performance is not an IT thing only!
“Why is Web Performance important enough to justify a business?” This is a question I was asked by a friend sitting at a holiday meal last week, and one myself and others in the Web Performance...
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