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Here’s a brief description of a number of diagrams that are available, just based on one selected metric, Page Response Time.
Diagram: Page Response Time
Detail Per Page
The Detail Per Page option shows the Response Time per Page detail for each load-tested page.
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Average/90th Percentile (Per Page)
Average/90% shows a bar for each page for each. This diagram also shows the Avg/90% response time progression of the web pages.
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Results per URL Call (Overview)
Displays statistics about all URL calls.
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Columns
Test: consecutively numbered. Clicking on a number displays the URL detail menu
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AV Size: the average size of transmitted and received data per URL call, or per web page
URL: the URL called
Response Content Throughput / In-Depth Measurement of HTTP(S) Response-Streams
The in-depth measurement of HTTP(S) response-streams is only available if you have to enable the additional option "Resp Throughput Chart per Call" as part of the "Additional sampling rate by URLcall" when starting the load test. Furthermore, you should configure a "maximum acceptable response time" in order that ZebraTester can calculate and compare the necessary network throughput.
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One explanation could be that the Web page is "calculated" piece by piece by the portal server (page navigation, page main content, page footer), and that some server-internal delay times occurred during the calculations.
Results per URL Call (Details)
Displays measurement details about URL calls. If this menu is invoked from the URL overview menu by clicking on a test number, the selected URL call is marked with a blue background.
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Columns
Test: consecutively numbered. Clicking on a number displays the URL overview menu
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Av Throughput: average network throughput per URL call (request + response)
Diagram: Response Time Percentiles
This screen contains, per web page and per URL, the response time percentile diagram. These diagrams display a cumulative statistical distribution of response times but are only available if an Additional Sampling Rate per Page Call and/or an Additional Sampling Rate per URL Call option was set when starting the test run, and at least 5 individual measurements have been collected during the test run.
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The collected individual measurements can be displayed by clicking on the Apply button. It is also possible to export the individual measurements in the form of an HTML table.
Diagram: Top Time-Consuming URLs
Shows a compilation of the slowest URLs (average and 90% percentile response time values) and the response time distribution of the slowest URL per page (for each page), and the response time per media-type (text/html, image/gif …).
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Diagram: Concurrent Users
Shows the number of users during the test run. The number of data points depends on the Statistic Sampling Interval which was set when the test run was started.
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Diagram: Session Time
Shows the response time per successfully-executed loop (repetition of a web surfing session) during the test run. The number of data points depends on the Statistic Sampling Interval which was set when the test run was started.
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The accumulated user’s think time of the loop is shown by a red line.
Diagram: Web Transaction Rate
Shows the number of successfully-executed URL calls per second (hits per second) during the test run, measured over all simulated users. The number of data points depends on the Statistic Sampling Interval which was set when the test run was started.
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Diagram Users Waiting for Response
Shows the number of users who are waiting for a response from the webserver, measured over all simulated users. The number of data points depends on the Statistic Sampling Interval which was set when the test run was started.
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Diagram: Completed Loops
Shows the number of successfully-completed web surfing sessions (loops) per minute
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Statistic Sampling Interval which was set when the test run was started.
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Diagram: TCP Socket Connect Time
Shows the time to open a new network connection to the webserver before data are sent (socket open time). The number of data points depends on the Statistic Sampling Interval which was set when the test run was started.
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Diagram: Network Throughput
Shows the total network throughput of the test run, measured over all users. The number of data points depends on the Statistic Sampling Interval which was set when the test run was started.
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Diagram: HTTP Keep-Alive Efficiency
Shows the efficiency of the HTTP keep-alive protocol option (percentage of reused network connections), measured over all users and URL calls.
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Diagram: SSL Cache Efficiency
Shows the efficiency of the client-side SSL session cache, which depends on the web server SSL configuration. In other words, this shows the percentage of abbreviated SSL handshakes, measured over all users. This diagram is only available when each user has executed at least 5 successful loops, and when the encrypted HTTPS protocol has been used.
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Diagram: Session Failures
Shows the number of failed web surfing session (failed loops) which occurred during the test run. The number of data points depends on the Statistic Sampling Interval which was set when the test run was started.
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Diagram: Error Types
Shows a compilation of the most frequently-occurring error types. Note: this basic error information is accurately measured, also in the case when not enough memory was left to capture error snapshots for all occurred errors.
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Diagram: Number of Errors per Page
Shows a compilation of the web pages which experienced the most errors.
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Diagram: Number of Errors per URL
Shows a compilation of the URLs which experienced the most errors.
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