Does LoadRunner transaction response time include the rendering time of the browser?

NO, because LoadRunner is not designed for client-side activities.


Rendering time includes the time taken for the display of the web components, JavaScript or applet to load in the browser that is being activated after the HTML page is being received.


When we replay the scripts in LoadRunner, network traffic are being generated by the APIs (functions) and are expected to receive before the subsequent step can be executed. All this are taken place in memory and what LoadRunner does is to generate the traffic and receive the responses in memory. No user interface (UI) is launched in the process of replay for the purpose of rendering the pages received. Having no UI launched, rendering is omitted.


In a real user environment, the entire time for response in user perspective includes the request sending time, request processed time, response time and the browser loading (rendering time). However, in the context of LoadRunner, UI is not part of this entire request and response cycle.

For an end-to-end response time testing that includes the rendering of the UI, we can use the GUI VUser protocol.

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