CDNPerf - CDN performance and uptime statistics
TWIPLA - The Website Intelligence Platform
Needl Analytics - Analytics as automated insights
Metric.live - Real-time and advanced periodic alerts for Google Analytics.
metrics.coffee - Freshly ground social metrics delivered to your inbox
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.