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diff --git a/‎dist/gridstack.js
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diff --git a/‎dist/gridstack.min.js
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diff --git a/‎dist/gridstack.min.map
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@@ -482,6 +482,7 @@ Changes
 - add oneColumnModeClass option to grid.
 - remove 768px CSS styles, moved to grid-stack-one-column-mode class.
 - add max-width override on grid-stck-one-column-mode ([#462](https://github.com/troolee/gridstack.js/issues/462)).
+- add internal function`isNodeChangedPosition`, minor optimization to move/drag.
 
 #### v0.2.6 (2016-08-17)
 
 
@@ -405,6 +405,9 @@
     };
 
     GridStackEngine.prototype.canMoveNode = function(node, x, y, width, height) {
+        if (!this.isNodeChangedPosition(node, x, y, width, height)) {
+            return false;
+        }
         var hasLocked = Boolean(_.find(this.nodes, function(n) { return n.locked; }));
 
         if (!this.height && !hasLocked) {
@@ -460,7 +463,27 @@
         return clone.getGridHeight() <= this.height;
     };
 
+    GridStackEngine.prototype.isNodeChangedPosition = function(node, x, y, width, height) {
+        if (typeof x != 'number') { x = node.x; }
+        if (typeof y != 'number') { y = node.y; }
+        if (typeof width != 'number') { width = node.width; }
+        if (typeof height != 'number') { height = node.height; }
+
+        if (typeof node.maxWidth != 'undefined') { width = Math.min(width, node.maxWidth); }
+        if (typeof node.maxHeight != 'undefined') { height = Math.min(height, node.maxHeight); }
+        if (typeof node.minWidth != 'undefined') { width = Math.max(width, node.minWidth); }
+        if (typeof node.minHeight != 'undefined') { height = Math.max(height, node.minHeight); }
+
+        if (node.x == x && node.y == y && node.width == width && node.height == height) {
+            return false;
+        }
+        return true;
+    };
+
     GridStackEngine.prototype.moveNode = function(node, x, y, width, height, noPack) {
+        if (!this.isNodeChangedPosition(node, x, y, width, height)) {
+            return node;
+        }
         if (typeof x != 'number') { x = node.x; }
         if (typeof y != 'number') { y = node.y; }
         if (typeof width != 'number') { width = node.width; }