diff --git a/Dockerfile b/Dockerfile
index 055ae8d..6ea7c76 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ COPY otel-ui/ .
 RUN npm install && npm run build
 
 # Go build stage
-FROM --platform=$BUILDPLATFORM golang:1.25-alpine AS go-builder
+FROM --platform=$BUILDPLATFORM golang:1.27-alpine AS go-builder
 
 WORKDIR /app
 
diff --git a/go.mod b/go.mod
index 321300b..1110493 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module git.tornberg.me/go-otel
 
-go 1.26.0
+go 1.27.0
 
 require (
 	github.com/gorilla/websocket v1.5.3
@@ -8,6 +8,7 @@ require (
 	go.opentelemetry.io/collector/consumer v1.55.0
 	go.opentelemetry.io/collector/pdata v1.55.0
 	go.opentelemetry.io/proto/otlp v1.10.0
+	golang.org/x/time v0.16.0
 	google.golang.org/grpc v1.80.0
 	google.golang.org/protobuf v1.36.11
 )
@@ -26,7 +27,6 @@ require (
 	golang.org/x/net v0.52.0 // indirect
 	golang.org/x/sys v0.42.0 // indirect
 	golang.org/x/text v0.35.0 // indirect
-	golang.org/x/time v0.16.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20260401024825-9d38bb4040a9 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
diff --git a/internal/collector/issue_extract.go b/internal/collector/issue_extract.go
index 3204dbe..26d0699 100644
--- a/internal/collector/issue_extract.go
+++ b/internal/collector/issue_extract.go
@@ -60,11 +60,18 @@ func extractLogErrors(tracker *issues.Tracker, ld plog.Logs, timestamp int64) {
 				}
 
 				title := logErrorTitle(record)
-				tracker.Record("log_error", service, title, issues.Sample{
+				kind := "log_error"
+				var url string
+				if attrString(record.Attributes(), "source") == "frontend" {
+					kind = "frontend_error"
+					url = attrString(record.Attributes(), "browser.url")
+				}
+				tracker.Record(kind, service, title, issues.Sample{
 					Timestamp: timestamp,
 					TraceID:   idString(record.TraceID()),
 					SpanID:    idString(record.SpanID()),
 					Message:   title,
+					URL:       url,
 				})
 			}
 		}
diff --git a/internal/issues/tracker.go b/internal/issues/tracker.go
index 0d03374..36b585b 100644
--- a/internal/issues/tracker.go
+++ b/internal/issues/tracker.go
@@ -23,6 +23,9 @@ type Sample struct {
 	TraceID   string `json:"traceId,omitempty"`
 	SpanID    string `json:"spanId,omitempty"`
 	Message   string `json:"message"`
+	// URL is the page URL an occurrence happened on, populated only for
+	// browser-originated (otel-rum) errors.
+	URL string `json:"url,omitempty"`
 }
 
 // Issue is a deduplicated group of related errors, fingerprinted by kind,