diff --git a/pkg/modules/chromium/chromium.go b/pkg/modules/chromium/chromium.go
index df91fc6..468f45a 100644
--- a/pkg/modules/chromium/chromium.go
+++ b/pkg/modules/chromium/chromium.go
@@ -808,6 +808,11 @@ func (mod *Chromium) Pdf(ctx context.Context, logger *slog.Logger, url, outputPa
 	)
 	defer span.End()
 
+	span.SetAttributes(
+		attribute.Int64("gotenberg.queue.depth_at_arrival", mod.supervisor.ReqQueueSize()),
+		attribute.Int64("gotenberg.conversions_since_last_restart", mod.supervisor.ConversionsSinceRestart()),
+	)
+
 	start := time.Now()
 	var conversionStart time.Time
 
@@ -879,6 +884,11 @@ func (mod *Chromium) Screenshot(ctx context.Context, logger *slog.Logger, url, o
 	)
 	defer span.End()
 
+	span.SetAttributes(
+		attribute.Int64("gotenberg.queue.depth_at_arrival", mod.supervisor.ReqQueueSize()),
+		attribute.Int64("gotenberg.conversions_since_last_restart", mod.supervisor.ConversionsSinceRestart()),
+	)
+
 	start := time.Now()
 	var conversionStart time.Time