Archive for the ‘WebPerformance.Org’ Category

Companies are beginning to fully grasp the need to measure performance from all perspectives: backbone, last mile, mobile, etc. But this need is often driven by the operational perspective – “We need to know how our application/app is doing from all perspectives”. While this is admirable, and better than not measuring at all, turning this [...]

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Helping a colleague this week, we uncovered some odd behavior with a site whose performance he was analyzing. Upon first glance, it was clear that this site had a performance issue – they had HTTP persistence disabled. Immediate red flag in the areas of network overhead and geographic latency. Further digging exposed something more sinister. [...]

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The title is a question I ask because I hear so many different views and perspectives about HTTP compression from the people I work with, colleagues and customers alike. There appears to be no absolute statement about the compression capabilities of all current (or in-use) browsers anywhere on the Web. My standard line is: If [...]

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Every so often, you wake up and realize that the world has changed around you. Or, to say it better, your view of the world has changed so profoundly, but also so subtly and slowly that it is imperceptible unless you take the time to look back at where you came from. Six years ago, [...]

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A quote from Avinash Kaushik (Occam’s Razor and @avinashkaushik) to start this post. I have a 10/90 rule . If your budget is $100 then spend $10 on tools and professional services to implement them, and spend $90 on hiring people to analyze data you collect on your website. The web is quite complex, you [...]

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Content Delivery Networks (CDNs) are a key component to any Web performance strategy. If you examine the content from any large online business or media provider, it won’t take long to find the objects that these organizations have entrusted to CDNs to ensure faster delivery and a better user experience. When working with CDNs, it [...]

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Slap up some measurements. Look at some graphs. Make a few calls. Your site is faster. You’re a hero. Right. Effective Web performance is something that requires planning, preparation, execution, and the willingness to try more than once to get things right. I have discussed this problem before, but wanted to expand my thoughts into [...]

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Web performance is everywhere. People intuitively understand that when a site is slow, something’s wrong. Web performance breeds anecdotal tales of lost carts, broken catalogs, and searches gone wrong. Web performance can get you name in lights, but not in the way you or your company would like. It’s a mistake to consider Web performance [...]

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A great follow-up to my post on Browser Stats is this slide deck from Gomez on Online Revenue and Browsers Performance. Protect Your Online Revenue – Best Practices For Ensuring Your Web Applications Perform Across Browsers NB: I do work for Gomez. Spread the Love:

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About four years ago, I published/posted a number of indices related to GrabPERF data. This is a re-launch of that, starting with the GrabPERF Search Performance Index. The methodology of the Search Performance Index is straightforward: A number of key search providers are selected and HTTP GET requests are sent that directly pull the results [...]

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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