diff --git a/htroot/PerformanceMemory_p.html b/htroot/PerformanceMemory_p.html
index 3ce205726..a40874cd2 100644
--- a/htroot/PerformanceMemory_p.html
+++ b/htroot/PerformanceMemory_p.html
@@ -395,6 +395,10 @@ Increasing this cache may speed up crawling, but not much space is needed, so th
 <td class="small">DNSNoCache</td>
 <td class="small">#[namecache.noCache]#</td>
 </tr>
+<tr class="TableCellLight">
+<td class="small">HashBlacklistedCache</td>
+<td class="small">#[blacklistcache.size]#</td>
+</tr>
 </table>
 </p>
 
diff --git a/htroot/PerformanceMemory_p.java b/htroot/PerformanceMemory_p.java
index ed8997f10..969818ff3 100644
--- a/htroot/PerformanceMemory_p.java
+++ b/htroot/PerformanceMemory_p.java
@@ -287,7 +287,8 @@ public class PerformanceMemory_p {
         prop.put("namecache.hit",Long.toString(amount));
         amount = httpc.nameCacheNoCachingListSize();
         prop.put("namecache.noCache",Long.toString(amount));
-        
+        amount = sb.urlBlacklist.blacklistCacheSize();
+        prop.put("blacklistcache.size",Long.toString(amount));
         // return rewrite values for templates
         return prop;
     }
diff --git a/source/de/anomic/plasma/plasmaURLPattern.java b/source/de/anomic/plasma/plasmaURLPattern.java
index f8edb38e8..7c129e32f 100644
--- a/source/de/anomic/plasma/plasmaURLPattern.java
+++ b/source/de/anomic/plasma/plasmaURLPattern.java
@@ -90,6 +90,10 @@ public class plasmaURLPattern {
         hostpaths.put(host.toLowerCase(), path);
     }
 
+    public int blacklistCacheSize() {
+        return cachedUrlHashs.size();
+    }
+
     public boolean hashInBlacklistedCache(String urlHash) {
         return cachedUrlHashs.contains(urlHash);
     }