According to Wikipedia:
Load testing is the process of putting demand on an application and measuring its response. Load testing is performed to determine a system's behavior under both normal and anticipated peak load conditions.
Soon we will add a self-service payment system for billing and buying credit. Until then, if you need more credit to evaluate or use the product we can probably give you some.
Please contact support by clicking on the bubble chat button in the lower-right corner of the screen or drop us a line at support@loadmill.com.
You can send bug reports to support@loadmill.com​