diff --git a/backend/cmd/sink/main.go b/backend/cmd/sink/main.go
index fca491069..b6999dca9 100644
--- a/backend/cmd/sink/main.go
+++ b/backend/cmd/sink/main.go
@@ -78,7 +78,7 @@ func main() {
 			// If message timestamp is empty, use at least ts of session start
 			ts := message.Meta().Timestamp
 			if ts == 0 {
-				//log.Printf("zero ts; sessID: %d, msg: %+v", sessionID, message)
+				log.Printf("zero ts; sessID: %d, msg: %+v", sessionID, message)
 			} else {
 				// Log ts of last processed message
 				counter.Update(sessionID, time.UnixMilli(ts))
diff --git a/backend/internal/sink/assetscache/assets.go b/backend/internal/sink/assetscache/assets.go
index 1996819de..7fc9f8257 100644
--- a/backend/internal/sink/assetscache/assets.go
+++ b/backend/internal/sink/assetscache/assets.go
@@ -26,30 +26,37 @@ func (e *AssetsCache) ParseAssets(sessID uint64, msg messages.Message) messages.
 	switch m := msg.(type) {
 	case *messages.SetNodeAttributeURLBased:
 		if m.Name == "src" || m.Name == "href" {
-			log.Printf("accet for session: %d", sessID)
-			return &messages.SetNodeAttribute{
+			newMsg := &messages.SetNodeAttribute{
 				ID:    m.ID,
 				Name:  m.Name,
 				Value: e.handleURL(sessID, m.BaseURL, m.Value),
 			}
+			newMsg.SetMeta(msg.Meta())
+			return newMsg
 		} else if m.Name == "style" {
-			return &messages.SetNodeAttribute{
+			newMsg := &messages.SetNodeAttribute{
 				ID:    m.ID,
 				Name:  m.Name,
 				Value: e.handleCSS(sessID, m.BaseURL, m.Value),
 			}
+			newMsg.SetMeta(msg.Meta())
+			return newMsg
 		}
 	case *messages.SetCSSDataURLBased:
-		return &messages.SetCSSData{
+		newMsg := &messages.SetCSSData{
 			ID:   m.ID,
 			Data: e.handleCSS(sessID, m.BaseURL, m.Data),
 		}
+		newMsg.SetMeta(msg.Meta())
+		return newMsg
 	case *messages.CSSInsertRuleURLBased:
-		return &messages.CSSInsertRule{
+		newMsg := &messages.CSSInsertRule{
 			ID:    m.ID,
 			Index: m.Index,
 			Rule:  e.handleCSS(sessID, m.BaseURL, m.Rule),
 		}
+		newMsg.SetMeta(msg.Meta())
+		return newMsg
 	}
 	return msg
 }
diff --git a/backend/pkg/messages/message.go b/backend/pkg/messages/message.go
index d701d474f..c4066c225 100644
--- a/backend/pkg/messages/message.go
+++ b/backend/pkg/messages/message.go
@@ -9,6 +9,11 @@ func (m *message) Meta() *message {
 	return m
 }
 
+func (m *message) SetMeta(origin *message) {
+	m.Timestamp = origin.Timestamp
+	m.Index = origin.Index
+}
+
 type Message interface {
 	Encode() []byte
 	TypeID() int
diff --git a/backend/pkg/url/assets/url.go b/backend/pkg/url/assets/url.go
index b55921149..adb26e0aa 100644
--- a/backend/pkg/url/assets/url.go
+++ b/backend/pkg/url/assets/url.go
@@ -93,6 +93,5 @@ func (r *Rewriter) RewriteURL(sessionID uint64, baseURL string, relativeURL stri
 		Host:   r.assetsURL.Host,
 		Scheme: r.assetsURL.Scheme,
 	}
-
 	return u.String()
 }