Amazon Route 53 health check - Amazon CloudWatch
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Amazon Route 53 health check

CloudWatch Application Insights supports the following metrics:

ChildHealthCheckHealthyCount

ConnectionTime

HealthCheckPercentageHealthy

HealthCheckStatus

SSLHandshakeTime

TimeToFirstByte