Using Dynatrace-ajax to track JavaScript performance _javascript tips

Once you have downloaded and installed the Dae (dynaTrace Ajax Edition), you must go to the program group in the Start menu to find DynaTrace. Obviously, the first thing to do is to enter a URL link, next, click the Play icon button, select "New Run Configuration", input a new URL.

One of the characteristics of a DAE is that it can run under a multiple-page workflow, you can enter the start URL, and then navigate to other pages or start Ajax features, while Daes monitor everything in the background. When you close IE browser, you can analyze the information that is collected by all Daes.

Dae distinguishes the main features of other tools: deep analysis of JavaScript. By detecting event triggers and JavaScript API calls, the timeline is split into different parts. It contains an HTTP waterfall diagram. Another feature is that you can save the DAE analysis results so that you can check afterwards and share it with your colleagues. It also has some other interesting features, such as automating the streamlining of the source code, so that you can see the more understandable version when you're debugging the Lite in the field, and you can also analyze CPU footprint and page rendering performance .

When you need to analyze the performance problems caused by JavaScript, the DynaTrace Ajax Edition contains code details from the advanced call to the actual execution, and you can see exactly which line of JavaScript code is causing the page's performance bottleneck. I suggest you test the tool and add it to your performance test Kit.

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