Avg 80-99% response time
It is the upper time bound for 80%-99% of responses. The upper time bound is calculated in such way that response time for 80%-99% of requests is less than or equal to this value. This characteristic is represented in the Response Time report and on the graphs for individual pages. The level (80%-99%) is specified in Report Options.

Baseline response time
It is the response time without load. Initially this value is set for each request during recording; you can re-calculate it after the test verification or manually modify it in request properties.

Cookies are small portions of text left in browser on user's computer by web servers. They are recorded to special files and in future can be transmitted back to web servers. There are two different types of cookies: session cookies and persistent cookies.
Session cookies are temporary. They are erased when you close your browser at the end of browsing session. The next time you visit that particular site, it will not recognize you.
Persistent cookies remain on your hard drive until you erase them or they expire. The time when cookies expire depends on the particular web site. Persistent cookies enable a web site to remember you on the next visits.

CSV data output
You can adjust WAPT Pro to save test results in the CSV format and import them later, any time you wish to Microsoft® Excel.

Download Time
It is the time of getting the content of server response: from the first received byte of server response till the moment when the whole response is received. Download time is usually measured without images. It is the time of loading the readable content of web page: its structure (frames, tables) and HTML text. See the Summary Graphs to know the values of average download time (for all profiles) and graphs for individual pages to know the download time for specific pages.

Failed sessions log
Failed sessions log contains only failed sessions. If at least one request in a session was executed with errors (its response code is not "200 OK"), then the whole session is included in the failed sessions log. Redirects are not considered errors. Besides, if you make additional validity check of server response and receive a validation error for some request, the corresponding session is also included in the failed sessions log.

Full Log
Full log is a comprehensive log of WAPT Pro test run that includes the information on all page requests, responses, redirects and returned HTML code.

It is a single request for resource (page code, image, script and so on) sent to the server. Each page may include many hits.

HTML Report
HTML Report enables viewing the results of test run just from a web browser. On test completion, you will see a web browser window with the generated HTML Report.

IP Spoofing
It is a feature of using several IP addresses during tests to emulate page requests coming from multiple computers (see the Load Agent settings).

Navigation Pane
Navigation Pane is used for fast and easy navigation between different program views. It has a tree structure. Navigation Pane represents all user profiles included in the current test scenario, a folder with test scenario parameters, the list of Load Agents, a folder with the results of test run and generated logs.

Network Interface Card (see How to Set up Multiple IP Addresses on a Computer).

Number of columns in tables
It is the number of columns in tables of HTML Report and Summary Report. The whole test duration interval is divided into this number of intervals. The program calculates the averaged data on each interval and shows it in the reports. You can change the 'number of columns' value in the Report Options.

Performance degradation factor
It is a ratio of the response time to the baseline time for each request. It shows how much the performance degraded under load. See the Response Time report and HTML report to check the performance degradation factor for individual requests and the whole profiles.

WAPT Pro Recorder records the steps of your activity in browser as you navigate through a web site and then reproduces these steps during test run.

Response Time
It is the time from the first byte of page request sent till the last received byte of server response. In other words, it is the time from clicking a link or a button in browser till the moment a page is downloaded. WAPT Pro measures 2 types of response time: without page resources and including page resources. See the Summary Graphs to know the values of average response time (for all profiles) and graphs for individual pages to know the response time for specific pages.

Summary Graphs
Summary Graphs display the consolidated information on all requests of all user profiles. Click on the Summary Graphs item in the Navigation Pane to display the chart.

Summary Report
Summary Report contains a number of text reports that display the consolidated information on test run execution. Select a desired report in the Summary Report folder of the Navigation Pane.

Test Results
Results of test run: HTML Report, Summary Report, Summary Graphs and graphs for user profiles and individual pages.

Test Scenario
WAPT Pro test scenario defines parameters of test run: the number of virtual users, test duration, date and time when the test will be started, user simulation options and the list of included user profiles. Scenario also contains options for log files, reports and test results.

Test Sequence
It is a sequence of pages that form a user profile. You can add pages to the test sequence using WAPT Pro Recorder or manually using the Add button on the toolbar.

Test Volume (or Load Level, or Workload)
It is the total amount of activity placed on a tested site/web application. It consists of a certain number of virtual users performing a set of transactions during a specified period of time. You can specify these parameters in the Test Volume view.

It is the maximum time of waiting for server operation. It can be the time of waiting for server response, or the time of sending a request to the server, for example, time of uploading a file. This timeout indicates that you either have problems with the work of web server, or bad connectivity. You can change the timeout value in WAPT Pro settings.

User Think Time (or Delay between Requests)
It is the time from the moment a user receives the last byte of web page currently being viewed to the moment when this user requests a new page. You can specify user think time in profile properties.

Virtual User (VU)
Virtual user emulates the actions of real user. WAPT Pro tests web sites by running multiple virtual users.

Virtual User Profile
User profile consists of web pages that will be requested during test run. You can add pages to a profile using WAPT Pro Recorder or manually using the Add button on the toolbar. You can create as many user profiles as you need.

Virtual User's Session
It is a single pass of user profile.

WAPT Pro result file
You can save the generated text reports and the data for graphs in the form of WAPT Pro result file. This file also includes the current test scenario and user profiles. After saving, you will be able to open this file in WAPT Pro and view results in the form of Summary Report, Summary Graphs and graphs for all user profiles and individual pages.

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