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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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Facebook Outage: Wake Up Call For Websites!
Back in October 2011 we wrote about web pages turning into airports without air controllers. Web pages have become a very complex ecosystem relying on many third-party tags for advertising, behavioral...
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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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10 Golden Rules for 3rd Party Providers
This June probably set the record for large scale failures on the Internet. First Facebook experienced an outage that lasted hours from May 31st to June 1st. On June 14 a several users were...
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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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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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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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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 Commuters Hate Your Mobile Site
With such quick and easy access to game scores, directions, video streaming, photo sharing, and up-to-the-moment news, mobile web is being consumed at a frenzied pace. Internet usage has doubled in...
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Google PageSpeed Insights vs. Extensions – Making Sense of Conflicting Scores
What’s it like to manage a website today? Complex. How about keeping up with the latest optimization techniques and tools? Daunting. Now imagine your optimization efforts are graded out of 100 and...
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