Archive for March, 2009

Here’s what the difference between the companies boils down to: Microsoft is focusing on today’s Web, and the rivals are focusing on tomorrow’s.
Stephen Shankland via Browser war centers on once-obscure JavaScript
This sums up many of the comments that I have made about browsers over the months [see Does the browser really matter?]. The browser is [...]

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Tomorrow morning, at 09:00 PDT, Microsoft unleashes IE 8.0 on an unsuspecting Internet.
By 12:00 PDT, the number of Web sites having to put up IE 7.0 only stickers will be in the millions.
I haven’t done a lot of testing of the new monster (I mainly use Firefox on Mac OS 10.5.6), but it doesn’t seem [...]

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I often wonder how much business is lost but the levels of assurance that exist within modern companies.
As information passes through and upward through a company, it is filtered, shaped, refined down to the one salient decision point that all the executives can then discuss. The concern that I have is whether the devolution of [...]

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This is a “re-print” of an article I had on Webperformance.org that I notice that a number of people search for.

See additional information on how not to use Round-Robin DNS.
The use of Round-Robin DNS for load-balancing has been around for a number of years. It is meant to serve as a way to have multiple [...]

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For a number of years, I have owned three very popular domain names: WebPerformance.org, WebCaching.org, and WebCompression.org. Last night, after many days of consideration, I stopped pointing them at their own distinct Web space and pointed them at this blog.
This is not a bad or evil thing, considering that for at least 18 months, the [...]

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Today I would like to announce the availability of the GrabPERF Search Performance Index.
The goal of the index is to provide performance metrics for a group of search providers around the world. The results are based on a direct HTTP GET request being made for the search results page by the GrabPERF Agent.
Currently only live [...]

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On a daily basis, I update the Geographic IP database that I created many years ago. Although not as powerful as some of the commercially available Geographic databases, it has more than served my purposes over the years.
One of the benefits of collecting this data is being able to extract substantial metrics on the distribution [...]

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Here are the browser stats for Newest Industry as of March 14 2009. Not a large amount of traffic, but it is indicative of what most folks with technical content on their blogs likely see.

What did surprise me was the number of people who are still using MSIE 6.0. I am not sure what is [...]

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Over the last seven days, GrabPERF has been running in a very unstable state. This appears to be directly related to the use of InnoDB as the DB engine on a few of the larger tables in the database. [InnoDB changeover discussed here]
Today, the system was offline for several hours before I noticed that the [...]

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One additional changes was made to GrabPERF today. The homepage with the Top and Bottom Performers, has been changed from a dynamic page to one that is autogenerated every two minutes. This graph should explain why.

The dynamic page was starting to push 20-25 seconds just for the Top 20 List. When I switched to the [...]

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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