Google Speed Tracer: Speedup Web Apps

Google’s attempt # 3973 to speedup the web.

With launch of Google chrome Extensions, Google has punched in a new extension to help web developers speed up the performance of webapps: Speed Tracer. For those of you who use GWT (Google Web Toolkit), this tool is a bliss.

Using this tool developers can identify problems in their web apps at a detailed level. Tracer exposes a  “sluggishness graph” that shows how the app is doing w.r.t UI, network, processing performance. It accurately identifies the bottlenecks that  make the web user experience less delightful.

Google Web Toolkit has added a bunch of new stuff, Speed Tracer is barely one of them.

One of the features that attracted me is: Google Web Toolkit splits code to help speed up the start time of large applications. Basically, Code Splitting enables developers to safely and easily slice and dice their application code so that key functionality can load immediately and other features can be loaded later as needed.

If you have used Java’s VisualVM, you will find Speed Tracer equally competent on the web apps front.

With Speed Tracer, you can trackdown problems caused by JavaScript parsing and execution, layout, CSS style recalculation and selector matching, DOM event handling, network resource loading, timer fires, XMLHttpRequest callbacks, painting, and more. To start with, install the extension to Chrome and checkout the Example Webapps Google provided to test out it’s features. You would love it.

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