Wikipedia
WebLOAD is load testing tool, performance testing, stress test web applications. This web and mobile load testing and analysis tool is from RadView Software. Load testing tool WebLOAD combines performance, scalability, and integrity as a single process for the verification of web and mobile applications. It can simulate hundreds of thousands of concurrent users making it possible to test large loads and report bottlenecks, constraints, and weak points within an application.
Using its multi-protocol support, WebLOAD simulates traffic of hundreds of thousands of users and provides analysis data on how the application behaves under load. WebLOAD monitors and incorporates statistics from the various components of the system under test: servers, application server, database, network, load-balancer, firewall, etc., and can also monitor the End User Experience and Service Level Agreement (SLA) compliance in production environments.