How Nordstrom Ensures its Website Will Perform at 100% This Holiday Season

With Dynatrace's APM solutions, "we can pinpoint where a problem may arise before it actually does," said Brugalette.

APM tools enable more than simple load testing, which involves putting simulated demand on a system or device prior to a busy event and measuring its response. "We're not just simulating thousands of users coming to our site," Brugalette said. "We're diving deep into the infrastructure to see what's happening and checking to see if there are any problems or pieces of code that we have to correct."