Archive for the ‘Work’ Category

It’s critical to your business. It affects revenue. It’s how people who can’t come to you perceive you.
It’s your Web site.
Its complex. Abstract. Lots of conflicting ideas and forces are involved. Everyone says they now the best thing for it. Finger-pointing. Door slamming. Screaming.
Am I describing your Web site and the team that supports it? [...]

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Last week, lost in the preternatural shriek that emerged from the Web community around the release of Google Chrome, John Resig posted a thoughtful post on resources usage at the browser. In it, he states that the use of the Process Manager in Chrome will change how people see Web performance. In his words:
The blame [...]

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Since the release of Google Chrome on September 2, I have been using it as my day-to-day browser. Spending up to 80% of my computer time in a browser means that this was decision which affected a huge portion of my online experience.
I can say that I put Chrome through its paces, on a wide-variety [...]

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In my presentations and consultations on Web performance, I emphasize the importance of a correctly configured DNS system with the phrase: “If people can’t resolve your hostname, your site is dead in the water”.
Yesterday, it appears that the large anti-virus and security firm Sophos discovered this lesson the hard way.
Of course hindsight is perfect, so [...]

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While this post is aimed at Web performance, the curse of the single metric affects our everyday lives in ways that we have become oblivious to.
When you listen to a business report, the stock market indices are an aggregated metric used to represent the performance of a set group of stocks.
When you read about economic indicators, [...]

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This is actually a short post to write, as the state of the GrabPERF system is currently very healthy. There was an eight-hour outage in early August 2008, but that was a fiber connectivity issue, not a system issue.
Over the history of ther service, we have been steadily increasing the number of measurements we take [...]

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The last two days of using Chrome have had me thinking about the purpose of the Web browser in today’s world. I’ve talked about how Chrome and Firefox have changed how we see browsers, treating them as interactive windows into our daily life, rather than the uncontrolled end of an information firehose.
These applications, that on [...]

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As a Web performance consultant, I view the release of Google Chrome with slightly different eyes than many. And one of the items that I look for is how the browser will affect performance, especially perceived performance on the end-user desktop.
One thing I have been able to determine is that the use of WebKit will [...]

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Two years ago I created a series of five blog articles, aimed at both business and technical readers, with the goal of explaining the basic statistical concepts and methods I use when analyzing Web performance data in my role as a Web performance consultant.
Most of these ideas were core to my thinking when I developed [...]

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About this blog

Stephen Pierzchala is one of a 10-year veteran of the Web performance field who also writes on topics that interest his non-linear world-view.

Contact

stephen@pierzchala.com

+1 (508) 410-3865