AlertSite

AlertSite monitors web applications, APIs, servers, and end-user experience to detect availability, functionality, and performance issues across global and private locations. It combines synthetic checks, scripted transactions, and full-page measurements to track uptime, response times, and functional correctness for websites and API endpoints.

Key capabilities include synthetic monitoring from 80+ public locations and configurable private nodes for on-premise applications and internal networks; scripted transaction monitoring using Selenium, DéjàClick, and uploaded test projects to validate multi-step workflows; API monitoring with JSON/XML REST APIs for programmatic monitor management; and full-page performance analysis that captures resource-level timing for page elements and third-party assets. Alerting supports availability and performance alerts with flexible recipient groups and multiple delivery methods, plus “clear” notifications when issues resolve.

Additional features useful for operations and engineering teams are configurable run intervals and object timeouts, aggregate dashboards and charts for response time, availability and Apdex metrics, support for MFA in recording secure flows, and integrated handling of private node results so on-premise and public monitors appear in unified reports. The platform also exposes REST APIs to list, create, edit, and delete monitors and to retrieve monitoring locations, enabling automation and integration with CI/CD and incident systems.

Benefits for monitoring and reliability workflows include centralized visibility into site and API health across regions, the ability to validate user journeys and MFA-protected flows, and the option to run monitors from internal networks without exposing services publicly. AlertSite’s mix of scripted and synthetic checks supports both functional verification and performance baselining, helping teams detect regressions, isolate failures by location, and prioritize remediation based on impact.

Relevant keywords incorporated for search visibility: synthetic monitoring, API monitoring, website uptime monitoring, full-page performance, synthetic transactions, Selenium monitoring, private monitoring locations, uptime alerts, response time monitoring, Apdex dashboards.

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Website: smartbear.com

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