Loadster Synthetic Monitoring
7.8#2 in performance testing softwareFrom $29 a monthFree planWebAPIExtensionLinux
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Loadster suits teams that want scheduled checks and alerting for websites, web apps, or APIs. Self-hosted monitoring may suit sites that are not publicly accessible or need checks from a specific location.
Speedscale suits teams testing and delivering cloud-native applications with production-traffic replication, especially those seeking API validation, service virtualization, or load tests tied to latency and throughput budgets. Its free local proxymock option is for developers who need local API mocking and testing; teams needing cloud replay, collaboration, or enterprise deployment can consider Pro or Enterprise plans.