diff --git a/Frameworks/RSWeb/RSWeb/DownloadProgress.swift b/Frameworks/RSWeb/RSWeb/DownloadProgress.swift
index cecb8feff..c3f0d7dc1 100755
--- a/Frameworks/RSWeb/RSWeb/DownloadProgress.swift
+++ b/Frameworks/RSWeb/RSWeb/DownloadProgress.swift
@@ -10,23 +10,27 @@ import Foundation
 
 public extension Notification.Name {
 	
-	public static let DownloadProgressDidChange = Notification.Name(rawValue: "DownloadProgressDidChangeNotification")
+	public static let DownloadProgressDidChange = Notification.Name(rawValue: "DownloadProgressDidChange")
 }
 
-public class DownloadProgress {
+public final class DownloadProgress {
 	
 	public var numberOfTasks = 0 {
 		didSet {
 			if numberOfTasks == 0 {
 				numberRemaining = 0
 			}
-			postDidChangeNotification()
+			if numberOfTasks != oldValue {
+				postDidChangeNotification()
+			}
 		}
 	}
 	
 	public var numberRemaining = 0 {
 		didSet {
-			postDidChangeNotification()
+			if numberRemaining != oldValue {
+				postDidChangeNotification()
+			}
 		}
 	}
 
@@ -65,6 +69,8 @@ public class DownloadProgress {
 	}
 }
 
+// MARK: - Private
+
 private extension DownloadProgress {
 	
 	func postDidChangeNotification() {