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PAGE LOAD TIME VS. RESPONSE TIME
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Unregistered User Posts: 509
12/7/2011
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Is there any way of measuring the page load times or does the StresStimulus only records response times? I take it that the time that the response is received and time that the page is loaded are not the same?
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Vadim @StresStimulus Administrator Posts: 583
12/7/2011
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StresStimulus does not emulate the browser’s DOM rendering or JavaScript execution time. Actually, the DOM time is not susceptible to the server load since every user has its own browser, and you do not need the load testing tool to troubleshoot DOM performance. Instead you can use tools like Firebug.
However when you test performance under load (that is what StresStimulus is mainly for), StresStimulus analyzes how multi-user requests impact your server application performance and the network time. It reports the average time for requesting and loading all page resources under the given load while taking the selected browser and network mix into account. Also, StresStimulus emulates sequence of issuing dependent requests that overlap with the DOM time. So under the load, the missed portion of the DOM time can be either very small or virtually zero.
StresStimulus determines average page response time (Avg. ) and breaks it down between TTFB (time first byte) and the network time for downloading responses. The Page Details grid shows the response time (the Avg. column). In the Request Details grid find the row for the primary request of the same page (displayed in bold). The TTFB column of this row displays the average time to the first byte of the page. The difference between the two is the page network time under the load.
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