At BrowserMob we have two different levels of load testing support: one for Real Browser Users (RBUs) and one for Virtual Users (VUs). Often it’s not immediately clear what the difference is and why you’d use one over the other.

RBU Benefits

The high level difference is this: an 100 RBU test means that there will be 100 browsers in the cloud all loading your site and interacting with it, while a 100 VU test means that there will be 100 “threads” issuing HTTP GET and POST requests to your website, but not actually running a browser. This means that RBUs:

We get a lot of customer requests about Flash automation, Selenium, and BrowserMob. Because our load testing and website monitoring services uses real browsers, complete with Flash 10, we can do things no one else can do, like run a load test with hundreds of Flash runtime environments driving traffic on your site.

However, while our infrastructure allows for extremely unique Flash testing support, it’s not perfectly streamlined (yet). While we are hard at work on making Flash support for Selenium and BrowserMob significantly better, at this time some work is required by Selenium users before you can get started.

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