diff --git a/app-location.html b/app-location.html
index 3e001ae..6fd71c8 100644
--- a/app-location.html
+++ b/app-location.html
@@ -70,7 +70,8 @@
         path="{{__path}}"
         query="{{__query}}"
         hash="{{__hash}}"
-        url-space-regex={{urlSpaceRegex}}>
+        url-space-regex={{urlSpaceRegex}}
+        dwell-time={{dwellTime}}>
     </iron-location>
     <iron-query-params
         params-string="{{__query}}"
@@ -164,6 +165,19 @@
           path: {
             type: String,
             observer: '__onPathChanged'
+          },
+
+          /**
+           * If the user was on a URL for less than `dwellTime` milliseconds, it
+           * won't be added to the browser's history, but instead will be replaced
+           * by the next entry.
+           *
+           * This is to prevent large numbers of entries from clogging up the user's
+           * browser history. Disable by setting to a negative number.
+           */
+          dwellTime: {
+            type: Number,
+            value: 2000
           }
         },