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How is the number of virtual users determined?

How is the number of virtual users determined?

How is the number of virtual users determined?

The number of virtual users used in a test depends greatly on the reason that the test is being run. A typical scenario might be that a retail company had issues handling the amount of traffic received last year around the holidays.

In that case, the formula would be:
Virtual Users = (Hourly Sessions x Average Session Duration in seconds) / 3,600

This would be based on a peak period last year.  You might want to increase this number based on Sales and Marketing projections for year-over-year growth.

Last year’s numbers should be factual and based on analytics.