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This article provides a few easy tips that can help you to speed up your existing PHP scripts by making some simple changes.

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HTML has some tags that are optional and can thus be omitted. In HTML 5, a shorter DOCTYPE and a few other techniques help reducing file size and load time of your HTML documents too.

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This video explains how to improve your web page load time by browser caching.

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Learn how to optimize web graphics for faster downloads on the web.

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This video explains gzip compression between a web server and browser and how using gzip can help improve speed.

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Rod Smith is an IBM Fellow who leads IBM’s Internet Emerging Technology team. In this presentation, Rod discusses Hadoop from the enterprise perspective. His team works with customers, and looks at emerging technologies to see if there’s a fit with the problems his customers are trying to solve.

He believes Hadoop can provide the framework for a new class of applications that are on the horizon, apps that unlock insights from vast quantities of data.

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Bill Coleman (Cassatt Corporation) has more than 30 years of corporate and entrepreneurial leadership experience. Prior to Cassatt, he founded and was the first chairman and CEO of BEA Systems, the world’s leading infrastructure software company. Under his leadership, BEA became the fastest software firm ever to exceed $1 billion in annual revenue. Before BEA, he served as vice president of system software at Sun Microsystems, where his team transformed SunOS into the commercially successful Solaris operating system. While at Sun he also founded Sun’s Professional Services Division and co-founded Sun’s Federal Division. He holds a B.S. in Computer Science from the U.S. Air Force Academy and M.S. degrees in Computer Science and Computer Engineering from Stanford University. He also has an honorary doctorate from the University of Colorado.

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Vik Chaudhary and Abelardo Gonzalez (Keynote Systems)–Get an early look at KITE – the Keynote Internet Testing Environment. KITE tests and analyzes the performance of web applications from your desktop and locations around the world. KITE allows advanced scripting, detailed network performance and DOM analysis, and the ability to gather data from hundreds of geographic locations worldwide. In this preview the Keynote team demo KITE on some of the world’s most popular web sites and announce its Early Adopter Program for this new free product.

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Scott Ruthfield (WhitePages.com)–Most tools for measuring web performance come in two flavors: Developer-installed tools (Firebug, Fiddler, etc.) that allow individuals to closely trace single sessions or third-party performance monitoring systems (Gomez, Keynote, etc.) that will hit your site occasionally and report back component-level metrics (for a fee). Neither of these tools give you real-world information on what’s actually happening with your clients—how long are pages really taking to load, what’s the real cost of client-side execution, and what’s the impact of your loading or dependency chain. This talk will provide more information on the problem and the current solutions, and why we rolled our own, provide a technical overview of Jiffy, and show some real-world lessons we’ve had using it in our own production environment.