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AWS AmazonCloudWatch documentation change

Service: AmazonCloudWatch · 2025-03-30 · Documentation low

File: AmazonCloudWatch/latest/monitoring/CloudWatch-RUM-metrics.md

Summary

Added new metrics for HTTP 4xx/5xx errors, JavaScript errors, and session/page view tracking

Security assessment

New metrics provide enhanced monitoring capabilities for application performance but do not specifically address security vulnerabilities or document security features.

Diff

diff --git a/AmazonCloudWatch/latest/monitoring/CloudWatch-RUM-metrics.md b/AmazonCloudWatch/latest/monitoring/CloudWatch-RUM-metrics.md
index b84d704de..84204380e 100644
--- a/AmazonCloudWatch/latest/monitoring/CloudWatch-RUM-metrics.md
+++ b/AmazonCloudWatch/latest/monitoring/CloudWatch-RUM-metrics.md
@@ -21,0 +22,2 @@ Metric | Unit | Description
+`Http4xxCountPerSession` |  Count |  The count of HTTP responses in a session, with 4xx response status code. These are calculated based on `http_event` RUM events that result in 4xx codes.  
+`Http4xxCountPerPageView` |  Count |  The count of HTTP responses in a page review, with 4xx response status code. These are calculated based on `http_event` RUM events that result in 4xx codes.  
@@ -22,0 +25,2 @@ Metric | Unit | Description
+`Http5xxCountPerSession` |  Count |  The count of HTTP responses in the session, with 5xx response status code. These are calculated based on `http_event` RUM events that result in 5xx codes.  
+`Http5xxCountPerPageView` |  Count |  The count of HTTP responses in a page review, with 5xx response status code. These are calculated based on `http_event` RUM events that result in 5xx codes.  
@@ -23,0 +28,2 @@ Metric | Unit | Description
+`JsErrorCountPerSession` |  Count |  The count of JavaScript error events ingested in a session.  
+`JsErrorCountPerPageView` |  Count |  The count of JavaScript error events ingested in a page review.  
@@ -27,0 +34 @@ Metric | Unit | Description
+`PageViewCountPerSession` |  Count |  The count of page view events in a session.  
@@ -36,0 +44,2 @@ Metric | Unit | Description
+`SessionDuration` |  Milliseconds |  The duration of a session. These are calculated based on the time between first and last events in a session.  
+`TimeOnPage` |  Milliseconds |  The duration of a page view. These are calculated based on the time until next page view, except for the final page in a session where it's the time between first and last events on that page.