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How to: View Web Page Response Time in a Load Test Using the Load Test Analyzer

The time it takes for each Web page to load is known as response time. When you create a Web performance test, you can set a response time goal for each Web page request in your Web performance test. For more information, see [retired] How to: Set Page Response Time Goals in a Web Performance Test.

If you run your Web performance test under stress in a load test, you will be able to analyze the following information for each page:

Requirements

  • Visual Studio Ultimate

To view response time data in a table

  1. In the Load Test Analyzer, choose Tables on the toolbar to make sure that the table grid is displayed.

  2. In the Table drop-down list box, select Pages.

  3. The data for each page is displayed in the grid. The following columns are ordinarily displayed.

    Page

    The name of the Web page.

    Scenario

    The name of the scenario. Important if you have more than one scenario in your Web performance test.

    Test

    The name of the Web performance test. Important if you have more than one Web performance test in your load test.

    Network

    The network type.

    By default, this data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    Total

    The total number of requests that were made for the Web page. This is the total for all iterations in the load test.

    Ave

    Average page response time.

    By default, this data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    Min

    The minimum page response time.

    By default, this data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    Median

    The median page response time.

    By default, this data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    90%

    The 90th percentile for the response time. This indicates that 90% of the pages responded faster than this number, and 10% of the pages responded more slowly.

    By default, this data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    95%

    The 95th percentile for the response time. This indicates that 95% of the pages responded faster than this number, and 5% of the pages responded more slowly.

    99%

    The 99th percentile for the response time. This indicates that 99% of the pages responded faster than this number, and 1% of the pages responded more slowly.

    By default, this data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    Max

    The maximum page response time.

    By default, this data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    Std Dev

    By default, the standard deviation data is not collected. To collect this data, in the Load Test Editor, under the Run Settings node, select the run setting node to change. In the Properties window, for the Timing Details Storage property, select AllIndividualDetails.

    Page Time

    The average response time for all requests that were made for the Web page.

    Goal

    The page time goal. This is a constant value for the page.

    Note Note

    Page Time Goal is displayed only when the goal has been defined for the request in the Web performance test.

    % Meeting Goal

    The percent of the requests that were made for the Web page that met the response time goal.

For more information, see Analyzing Load Test Results and Errors in the Tables View of the Load Test Analyzer.

You can also view response time data in a graph to see how it changes over time during your load test. This is especially useful if your load pattern increases as the test runs (for example, if you use the step load pattern). For more information, see Editing Load Patterns to Model Virtual User Activities.

To view response time data in a graph

  1. In the Load Test Analyzer, choose Graphs on the toolbar to make sure that the graph is displayed.

  2. In the Counters window, expand the node of the scenario in which you are interested (for example, Scenario1).

  3. Expand the node of the Web performance test in which you are interested.

  4. Expand the node Pages.

  5. Expand the node of the page in which you are interested.

  6. Right-click % Pages Meeting Goal and then choose Show Counter on Graph.

    The data is added to the graph.

  7. (Optional) Repeat the previous step for Avg. Page Time, Page Response Time Goal, and Total Pages.

    Note Note

    Page Response Time Goal is constant.

For more information, see Analyzing Load Test Results in the Graphs View of the Load Test Analyzer.

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