diff --git a/htroot/Crawler_p.html b/htroot/Crawler_p.html
index ec9fe4181..ea0c737b4 100644
--- a/htroot/Crawler_p.html
+++ b/htroot/Crawler_p.html
@@ -159,7 +159,7 @@
 <!-- crawl profile list -->
 #(crawlProfilesShow)#::
 <fieldset>
-<legend>Running Crawls</legend>
+<legend>Running Crawls (#[count]#)</legend>
 <table border="0" cellpadding="2" cellspacing="1" summary="A list of crawl profiles and their current settings.">
   <colgroup>
   <col width="16" />
@@ -167,11 +167,13 @@
   </colgroup>
   <tr class="TableHeader">
     <td><strong>Name</strong></td>
+    #(debug)#::<td><strong>Count</strong></td>#(/debug)#
     <td><strong>Status</strong></td>
   </tr>
   #{list}# 
   <tr class="TableCell#(dark)#Light::Dark#(/dark)#">
     <td>#[name]#</td>
+    #(debug)#::<td>#[count]#</td>#(/debug)#
     <td>#(terminateButton)#::
         <div style="text-decoration:blink;float:left;">Running</div>
         <form style="float:left;" action="Crawler_p.html" method="get" enctype="multipart/form-data" accept-charset="UTF-8"><div>
diff --git a/htroot/Crawler_p.java b/htroot/Crawler_p.java
index e225033a1..352acba71 100644
--- a/htroot/Crawler_p.java
+++ b/htroot/Crawler_p.java
@@ -49,6 +49,7 @@ import net.yacy.document.Document;
 import net.yacy.document.parser.html.ContentScraper;
 import net.yacy.document.parser.html.TransformerWriter;
 import net.yacy.kelondro.data.meta.DigestURI;
+import net.yacy.kelondro.index.RowHandleSet;
 import net.yacy.kelondro.logging.Log;
 import net.yacy.kelondro.util.FileUtils;
 import net.yacy.peers.NewsPool;
@@ -87,7 +88,8 @@ public class Crawler_p {
         prop.put("forwardToCrawlStart", "0");
 
         prop.put("info", "0");
-
+        boolean debug = (post != null && post.containsKey("debug"));
+        
         if (post != null) {
             String c = post.toString();
             if (c.length() < 1000) Log.logInfo("Crawl Start", c);
@@ -520,13 +522,20 @@ public class Crawler_p {
             profile = sb.crawler.getActive(h);
         	if (CrawlProfile.ignoreNames.contains(profile.name())) continue;
             profile.putProfileEntry("crawlProfilesShow_list_", prop, true, dark, count, domlistlength);
+            prop.put("crawlProfilesShow_list_" + count + "_debug", debug ? 1 : 0);
+            if (debug) {
+                RowHandleSet urlhashes = sb.crawler.getURLHashes(h);
+                prop.put("crawlProfilesShow_list_" + count + "_debug_count", urlhashes == null ? "unknown" : Integer.toString(urlhashes.size()));
+            }
             if (profile.urlMustMatchPattern() == CrawlProfile.MATCH_ALL_PATTERN) {
                 hosts = hosts + "," + profile.name();
             }
             dark = !dark;
             count++;
         }
+        prop.put("crawlProfilesShow_debug", debug ? 1 : 0);
         prop.put("crawlProfilesShow_list", count);
+        prop.put("crawlProfilesShow_count", count);
         prop.put("crawlProfilesShow", count == 0 ? 0 : 1);
 
         if (count > 0) {
diff --git a/source/net/yacy/crawler/CrawlSwitchboard.java b/source/net/yacy/crawler/CrawlSwitchboard.java
index d6421d7a5..3233c1e6f 100644
--- a/source/net/yacy/crawler/CrawlSwitchboard.java
+++ b/source/net/yacy/crawler/CrawlSwitchboard.java
@@ -34,6 +34,7 @@ import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
+import java.util.concurrent.ConcurrentHashMap;
 
 import net.yacy.cora.document.ASCII;
 import net.yacy.cora.document.UTF8;
@@ -46,7 +47,9 @@ import net.yacy.crawler.data.CrawlQueues;
 import net.yacy.crawler.data.NoticedURL.StackType;
 import net.yacy.crawler.retrieval.Request;
 import net.yacy.kelondro.blob.MapHeap;
+import net.yacy.kelondro.data.meta.URIMetadataRow;
 import net.yacy.kelondro.data.word.Word;
+import net.yacy.kelondro.index.RowHandleSet;
 import net.yacy.kelondro.logging.Log;
 import net.yacy.kelondro.util.FileUtils;
 import net.yacy.kelondro.util.kelondroException;
@@ -75,6 +78,7 @@ public final class CrawlSwitchboard {
     private MapHeap profilesActiveCrawls;
     private final MapHeap profilesPassiveCrawls;
     private final Map<byte[], CrawlProfile> profilesActiveCrawlsCache; //TreeMap<byte[], DigestURI>(Base64Order.enhancedCoder);
+    private final Map<String, RowHandleSet> profilesActiveCrawlsCounter;
     public CrawlProfile defaultProxyProfile;
     public CrawlProfile defaultRemoteProfile;
     public CrawlProfile defaultTextSnippetLocalProfile, defaultTextSnippetGlobalProfile;
@@ -91,8 +95,8 @@ public final class CrawlSwitchboard {
             System.exit(0);
         }
         this.log = log;
-        this.profilesActiveCrawlsCache =
-            Collections.synchronizedMap(new TreeMap<byte[], CrawlProfile>(Base64Order.enhancedCoder));
+        this.profilesActiveCrawlsCache = Collections.synchronizedMap(new TreeMap<byte[], CrawlProfile>(Base64Order.enhancedCoder));
+        this.profilesActiveCrawlsCounter = new ConcurrentHashMap<String, RowHandleSet>();
 
         // make crawl profiles database and default profiles
         this.queuesRoot = queuesRoot;
@@ -229,6 +233,11 @@ public final class CrawlSwitchboard {
         this.profilesPassiveCrawls.put(profileKey, profile);
     }
 
+    public RowHandleSet getURLHashes(final byte[] profileKey) {
+        return this.profilesActiveCrawlsCounter.get(ASCII.String(profileKey));
+    }
+    
+    
     private void initActiveCrawlProfiles() {
         // generate new default entry for proxy crawling
         this.defaultProxyProfile =
@@ -470,7 +479,10 @@ public final class CrawlSwitchboard {
         return hasDoneSomething;
     }
 
-    public int cleanFinishesProfiles(CrawlQueues crawlQueues) {        
+    public int cleanFinishesProfiles(CrawlQueues crawlQueues) {
+        // clear the counter cache
+        this.profilesActiveCrawlsCounter.clear();        
+        
         // find all profiles that are candidates for deletion
         Set<String> deletionCandidate = new HashSet<String>();
         for (final byte[] handle: this.getActive()) {
@@ -498,7 +510,11 @@ public final class CrawlSwitchboard {
                 Request r;
                 while (sei.hasNext()) {
                     r = sei.next();
-                    deletionCandidate.remove(r.profileHandle());
+                    String handle = r.profileHandle();
+                    RowHandleSet us = this.profilesActiveCrawlsCounter.get(handle);
+                    if (us == null) {us =  new RowHandleSet(URIMetadataRow.rowdef.primaryKeyLength, URIMetadataRow.rowdef.objectOrder, 0); this.profilesActiveCrawlsCounter.put(handle, us);}
+                    us.put(r.url().hash());
+                    deletionCandidate.remove(handle);
                     if (deletionCandidate.size() == 0) return 0;
                     if (System.currentTimeMillis() > timeout) return 0; // give up; this is too large
                 }