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Fiddler Vs Visual Studio webtest recorder

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Christine
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Christine asked on 04 Mar 2015, 09:13 PM
I am a Performance Engineer using Visual Studio Web Performance Tests to analyze performance on an ASP.net w. MVC app.

I've noticed that there are differences in the recordings from Fiddler vs. the visual studio recorder.

Is there a list somewhere that will show me what these differences are?

It is mostly that fiddler is leaving out certain requests... Some of the dependent requests are left out.

And also, I am having an issue right now where the visual studio recorder is picking up the same request 5 times.
Fiddler only records it once.
The developer put a breakpoint on the particular view (which is loading some css through a javascript function), and this breakpoint only gets hit once.

I would like to understand this difference, and what is going on under the hood.  Is this a performance issue, or is it a visual studio issue?

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Eric Lawrence
Telerik team
answered on 05 Mar 2015, 05:18 PM
Hello, Christine--

Unfortunately, I know little about the WebTest format; the original exporter for WebTest was written by the Visual Studio team themselves.

Fiddler's exporter offers a number of checkboxes that allow you to control the behavior of the generated tests-- you haven't mentioned which ones you've set?

If you send me a SAZ file (Help > Send Feedback) that isn't resulting in the Exported test you expect, I'm happy to have a look.

Regards,
Eric Lawrence
Telerik
 

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Eric Lawrence
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