Google added a new tool to Google Web Toolkit called “Speed Tracer,” which’s a Google Chrome extension that enables developers to identify performance problems in their web apps using a “Sluggishness Graph,” in combination with many other metrics. In the spirit of clean, simple design, developers need only look at the Y-Axis of their application’s Sluggishness Graph to see how they’re doing: • If y-axis is close to zero, then app is fast • If y-axis registers around 100%, then app is, well, sluggish. And in either case, Speed Tracer provides lots of additional data to help diagnose any particular performance issue. If you’re a web developer, download and install Speed Tracer on Google Chrome Developer Channel.
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