Synthetic user agents are commonly used to simulate user interactions with web applications for testing purposes by generating synthetic traffic, emulating user behaviors, and performing scripted actions to assess application performance, functionality, and responsiveness under various conditions.

Performance-based rules are used to monitor TCP protocol behavior in network assurance by setting thresholds for metrics such as round-trip time (RTT), retransmission rates, and TCP connection establishment times to detect anomalies and trigger alerts when performance deviations occur.

The Web test can be configured in Thousand Eyes to monitor web application performance, assessing factors such as page load times and responsiveness in network assurance.

OAuth is commonly used when testing web applications for performance and security, providing secure and standardized authentication mechanisms for user access.