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Request a Feature Report a Bug
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Last Updated: 07 Jul 2014 19:47 by Cody
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Cody
Created on: 17 Jun 2014 17:42
Type: Bug Report
0
Performance results of some websites do not seem reasonable or realistic
The problem is best explained in this short video: http://screencast.com/t/Tv22DMBe

Attached is the performance test that was demonstrated in the video.
Attached Files:
3 comments
Cody
Posted on: 07 Jul 2014 19:47 
The explanation still doesn't match observations. Creating a webtest that clears the cache first still runs a LOT faster than a performance test. Running a performance test in Chrome seems to show the largest discrepancy between running a web test (including clearing cache at the beginning) and doing the exact same steps in a performance test. Customer in ticket 826859 requests that development have a closer look at this.
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Daniel Djambov
Posted on: 01 Jul 2014 06:32 
Telerik: this is specific behavior to the site in the example - it transfers 5 MB of data uplon load and clear cache used awlays by performance is expected to cause this delay. Comparing against other sites like Bing.com for example with Clear Cache in both Functional and Performance tests shows no delays in execution times.
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Iliyan Panchev
Posted on: 25 Jun 2014 13:33 
Performance runs always clear the browser cache at the beginning. This is why they are slower that the quick execution runs.
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