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MySpace's Performance Tracker is a browser plugin that help developers to improve their code performance by capturing and measuring possible bottlenecks on their web pages.

Internet browsing was always easily accessible with our default browser in windows operating systems. Internet explorer is the name which most of us would always remember. Internet explorer was first released with Windows 95 in 1995.

As we all know, internet is used on large scale by business houses and other education institutions, if Internet or computer speed is slow; it reflects on the productivity of that organization.

At the start of this year, I sat down to write the "Errors and Debugging" chapter of Simply JavaScript. I cracked my fingers, dove into the landscape of JavaScript debugging tools, and emerged very disappointed several hours later. At the time, Firefox was the only browser with a JavaScript debugging tool worth writing about: Firebug. Less than a year later, the landscape has changed dramatically. Every major browser has introduced new development tools that make it easier to diagnose problems with your HTML, CSS, and JavaScript code right inside the browser in question. But can any of these tools stack up against the slick and effortlessly powerful tools provided by Firebug? Let's take a look.