diff --git a/MVMCoreUI/Behaviors/ReplaceableMoleculeBehaviorModel.swift b/MVMCoreUI/Behaviors/ReplaceableMoleculeBehaviorModel.swift
index 8b624a7b..c35a5d19 100644
--- a/MVMCoreUI/Behaviors/ReplaceableMoleculeBehaviorModel.swift
+++ b/MVMCoreUI/Behaviors/ReplaceableMoleculeBehaviorModel.swift
@@ -30,7 +30,7 @@ public class ReplaceableMoleculeBehavior: PageMoleculeTransformationBehavior, Pa
         String(describing: Self.self)
     }
     
-    var hasPreviouslyBeenShown = false
+    var isPageShowing = false
     var previouslyReplacedIds = Set<String>()
     var moleculeIds: [String]
     public var modulesToListenFor: [String]
@@ -120,21 +120,22 @@ public class ReplaceableMoleculeBehavior: PageMoleculeTransformationBehavior, Pa
             return
         }
         previouslyReplacedIds.insert(moleculeId)
+        guard isPageShowing else { return } // Page has not been made visible yet. (Pulled and replaced from cache on load or background update.) Hold reporting until onPageShown.
         MVMCoreUILoggingHandler.shared()?.defaultLogPageUpdate(forController: viewController, from: module)
     }
     
     public func onPageShown(_ delegateObject: MVMCoreUIDelegateObject?) {
-        guard hasPreviouslyBeenShown else {
-            // Skip first replacement build handled in onPageNew. (Pulled and reported from cache.)
-            hasPreviouslyBeenShown = true
-            return
-        }
-        debugLog("Page reshown. Resend replaced molecule analytics for: \(previouslyReplacedIds)")
+        isPageShowing = true
+        debugLog("Page shown. Send molecule analytics for: \(previouslyReplacedIds)")
         previouslyReplacedIds.forEach { id in
             logUpdated(moleculeId: id)
         }
     }
     
+    public func onPageHidden(_ delegateObject: MVMCoreUIDelegateObject?) {
+        isPageShowing = false
+    }
+    
     deinit {
         debugLog("deinit")
     }