diff --git a/htroot/IndexCreateParserErrors_p.java b/htroot/IndexCreateParserErrors_p.java
index 6f1146f08..f583803f1 100644
--- a/htroot/IndexCreateParserErrors_p.java
+++ b/htroot/IndexCreateParserErrors_p.java
@@ -23,6 +23,8 @@
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 
+import java.util.ArrayList;
+
 import net.yacy.kelondro.data.meta.DigestURI;
 import de.anomic.crawler.ZURL;
 import de.anomic.http.server.RequestHeader;
@@ -71,22 +73,25 @@ public class IndexCreateParserErrors_p {
             String initiatorHash, executorHash;
             yacySeed initiatorSeed, executorSeed;
             int j=0;
-            for (ZURL.Entry entry: sb.crawlQueues.errorURL) {
-                    if (entry == null) continue;
-                    url = entry.url();
-                    if (url == null) continue;
-                    
-                    initiatorHash = entry.initiator();
-                    executorHash = entry.executor();
-                    initiatorSeed = sb.peers.getConnected(initiatorHash);
-                    executorSeed = sb.peers.getConnected(executorHash);
-                    prop.putHTML("rejected_list_"+j+"_initiator", ((initiatorSeed == null) ? "proxy" : initiatorSeed.getName()));
-                    prop.putHTML("rejected_list_"+j+"_executor", ((executorSeed == null) ? "proxy" : executorSeed.getName()));
-                    prop.putHTML("rejected_list_"+j+"_url", url.toNormalform(false, true));
-                    prop.putHTML("rejected_list_"+j+"_failreason", entry.anycause());
-                    prop.put("rejected_list_"+j+"_dark", dark ? "1" : "0");
-                    dark = !dark;
-                    j++;
+            ArrayList<ZURL.Entry> l = sb.crawlQueues.errorURL.list(100);
+            ZURL.Entry entry;
+            for (int i = l.size() - 1; i >= 0; i--) {
+                entry = l.get(i);
+                if (entry == null) continue;
+                url = entry.url();
+                if (url == null) continue;
+                
+                initiatorHash = entry.initiator();
+                executorHash = entry.executor();
+                initiatorSeed = sb.peers.getConnected(initiatorHash);
+                executorSeed = sb.peers.getConnected(executorHash);
+                prop.putHTML("rejected_list_"+j+"_initiator", ((initiatorSeed == null) ? "proxy" : initiatorSeed.getName()));
+                prop.putHTML("rejected_list_"+j+"_executor", ((executorSeed == null) ? "proxy" : executorSeed.getName()));
+                prop.putHTML("rejected_list_"+j+"_url", url.toNormalform(false, true));
+                prop.putHTML("rejected_list_"+j+"_failreason", entry.anycause());
+                prop.put("rejected_list_"+j+"_dark", dark ? "1" : "0");
+                dark = !dark;
+                j++;
             }
             prop.put("rejected_list", j);
         }
diff --git a/htroot/yacy/transferRWI.java b/htroot/yacy/transferRWI.java
index 5f772b69f..308047d65 100644
--- a/htroot/yacy/transferRWI.java
+++ b/htroot/yacy/transferRWI.java
@@ -92,7 +92,7 @@ public final class transferRWI {
         // response values
         int pause = 0;
         String result = "ok";
-        final StringBuilder unknownURLs = new StringBuilder();
+        final StringBuilder unknownURLs = new StringBuilder(6000);
         
         if ((youare == null) || (!youare.equals(sb.peers.mySeed().hash))) {
         	sb.getLog().logInfo("Rejecting RWIs from peer " + otherPeerName + ". Wrong target. Wanted peer=" + youare + ", iam=" + sb.peers.mySeed().hash);
diff --git a/source/de/anomic/crawler/RobotsEntry.java b/source/de/anomic/crawler/RobotsEntry.java
index 25d42fbbc..c30bcd431 100644
--- a/source/de/anomic/crawler/RobotsEntry.java
+++ b/source/de/anomic/crawler/RobotsEntry.java
@@ -109,7 +109,7 @@ public class RobotsEntry {
         if ((allowPathList != null)&&(allowPathList.size()>0)) {
             this.allowPathList.addAll(allowPathList);
             
-            final StringBuilder pathListStr = new StringBuilder();
+            final StringBuilder pathListStr = new StringBuilder(allowPathList.size() * 30);
             for (int i=0; i<allowPathList.size();i++) {
                 pathListStr.append(allowPathList.get(i))
                            .append(ROBOTS_DB_PATH_SEPARATOR);
@@ -120,7 +120,7 @@ public class RobotsEntry {
         if ((disallowPathList != null)&&(disallowPathList.size()>0)) {
             this.denyPathList.addAll(disallowPathList);
             
-            final StringBuilder pathListStr = new StringBuilder();
+            final StringBuilder pathListStr = new StringBuilder(disallowPathList.size() * 30);
             for (int i=0; i<disallowPathList.size();i++) {
                 pathListStr.append(disallowPathList.get(i))
                            .append(ROBOTS_DB_PATH_SEPARATOR);
@@ -130,7 +130,7 @@ public class RobotsEntry {
     }
     
     public String toString() {
-        final StringBuilder str = new StringBuilder();
+        final StringBuilder str = new StringBuilder(6000);
         str.append((this.hostName==null)?"null":this.hostName)
            .append(": ");
         
diff --git a/source/de/anomic/crawler/ZURL.java b/source/de/anomic/crawler/ZURL.java
index ebc85bb2f..e18de0475 100755
--- a/source/de/anomic/crawler/ZURL.java
+++ b/source/de/anomic/crawler/ZURL.java
@@ -28,6 +28,7 @@ package de.anomic.crawler;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.Iterator;
 import java.util.concurrent.ConcurrentLinkedQueue;
@@ -61,8 +62,8 @@ public class ZURL implements Iterable<ZURL.Entry> {
     );
 
     // the class object
-    private final ObjectIndex urlIndex;
-    private final ConcurrentLinkedQueue<String> stack;
+    protected final ObjectIndex urlIndex;
+    protected final ConcurrentLinkedQueue<String> stack;
     
     public ZURL(
     		final File cachePath,
@@ -133,6 +134,15 @@ public class ZURL implements Iterable<ZURL.Entry> {
         return new EntryIterator();
     }
     
+    public ArrayList<ZURL.Entry> list(int max) {
+        ArrayList<ZURL.Entry> l = new ArrayList<ZURL.Entry>();
+        for (ZURL.Entry entry: this) {
+            l.add(entry);
+            if (max-- <= 0) l.remove(0);
+        }
+        return l;
+    }
+    
     private class EntryIterator implements Iterator<ZURL.Entry> {
         private Iterator<String> hi;
         public EntryIterator() {
@@ -186,7 +196,7 @@ public class ZURL implements Iterable<ZURL.Entry> {
         private final String   anycause;  // string describing reason for load fail
         private boolean  stored;
 
-        private Entry(
+        protected Entry(
                 final Request bentry,
                 final String executor,
                 final Date workdate,
@@ -203,7 +213,7 @@ public class ZURL implements Iterable<ZURL.Entry> {
             stored = false;
         }
 
-        private Entry(final Row.Entry entry) throws IOException {
+        protected Entry(final Row.Entry entry) throws IOException {
             assert (entry != null);
             this.executor = entry.getColString(1, "UTF-8");
             this.workdate = new Date(entry.getColLong(2));
diff --git a/source/de/anomic/crawler/retrieval/HTTPLoader.java b/source/de/anomic/crawler/retrieval/HTTPLoader.java
index 0a1102fc9..d42ccf55c 100644
--- a/source/de/anomic/crawler/retrieval/HTTPLoader.java
+++ b/source/de/anomic/crawler/retrieval/HTTPLoader.java
@@ -144,7 +144,7 @@ public final class HTTPLoader {
                     String supportError = TextParser.supports(request.url(), res.getResponseHeader().mime());
                     if (supportError != null) {
                     	sb.crawlQueues.errorURL.push(request, sb.peers.mySeed().hash, new Date(), 1, supportError);
-                    	throw new IOException("REJECTED WRONG MIME TYPE: " + supportError);
+                        throw new IOException("REJECTED WRONG MIME TYPE, mime = " + res.getResponseHeader().mime() + ": " + supportError);
                     }
                 }
                 
diff --git a/source/de/anomic/data/bookmarksDB.java b/source/de/anomic/data/bookmarksDB.java
index 6cc8d6972..cec0b2450 100644
--- a/source/de/anomic/data/bookmarksDB.java
+++ b/source/de/anomic/data/bookmarksDB.java
@@ -595,10 +595,7 @@ public class bookmarksDB {
     }
     
     public Iterator<Tag> getTagIterator(final boolean priv, final int c) {
-    	Comparator<Tag> comp;    	
-    	if (c == SORT_SIZE) comp = new tagSizeComparator(); 
-    	else comp = new tagComparator();
-    	final TreeSet<Tag> set=new TreeSet<Tag>(comp);
+    	final TreeSet<Tag> set=new TreeSet<Tag>((c == SORT_SIZE) ? tagSizeComparator : tagComparator);
     	final Iterator<Tag> it = tagIterator(true);
     	Tag tag;
     	while(it.hasNext()){
@@ -614,10 +611,7 @@ public class bookmarksDB {
     	if (max==SHOW_ALL) 
     		return getTagIterator(priv, comp);    	
     	final Iterator<Tag> it = getTagIterator(priv, SORT_SIZE);
-    	Comparator<Tag> c;    	
-    	if (comp == SORT_SIZE) c = new tagSizeComparator();
-    	else c = new tagComparator();
-    	final TreeSet<Tag> set=new TreeSet<Tag>(c);
+    	final TreeSet<Tag> set=new TreeSet<Tag>((comp == SORT_SIZE) ? tagSizeComparator : tagComparator);
     	int count = 0;
     	while (it.hasNext() && count<=max) {
     		set.add(it.next());
@@ -631,10 +625,7 @@ public class bookmarksDB {
     }
     */
     public Iterator<Tag> getTagIterator(final String tagName, final boolean priv, final int comp){
-    	Comparator<Tag> c;    	
-    	if (comp == SORT_SIZE) c = new tagSizeComparator();
-    	else c = new tagComparator();
-    	final TreeSet<Tag> set=new TreeSet<Tag>(c);
+    	final TreeSet<Tag> set=new TreeSet<Tag>((comp == SORT_SIZE) ? tagSizeComparator : tagComparator);
     	Iterator<String> it=null;
     	final Iterator<String> bit=getBookmarksIterator(tagName, priv);
     	Bookmark bm;
@@ -657,11 +648,8 @@ public class bookmarksDB {
     public Iterator<Tag> getTagIterator(final String tagName, final boolean priv, final int comp, final int max){
     	if (max==SHOW_ALL) 
     		return getTagIterator(priv, comp);
-   		final Iterator<Tag> it = getTagIterator(tagName, priv, SORT_SIZE);
-   		Comparator<Tag> c;   
-   		if (comp == SORT_SIZE) c = new tagSizeComparator();
-    	else c = new tagComparator();   		
-   		final TreeSet<Tag> set=new TreeSet<Tag>(c);
+   		final Iterator<Tag> it = getTagIterator(tagName, priv, SORT_SIZE); 		
+   		final TreeSet<Tag> set=new TreeSet<Tag>((comp == SORT_SIZE) ? tagSizeComparator : tagComparator);
    		int count = 0;
    		while (it.hasNext() && count<=max) {
    			set.add(it.next());
@@ -1410,10 +1398,13 @@ public class bookmarksDB {
         }
     }
     
+    public static final TagComparator tagComparator = new TagComparator();
+    public static final TagSizeComparator tagSizeComparator = new TagSizeComparator();
+    
     /**
      * Comparator to sort objects of type Tag according to their names
      */
-    public static class tagComparator implements Comparator<Tag>, Serializable {
+    public static class TagComparator implements Comparator<Tag>, Serializable {
         
     	/**
 		 * generated serial
@@ -1426,7 +1417,7 @@ public class bookmarksDB {
     	
     }
     
-    public static class tagSizeComparator implements Comparator<Tag>, Serializable {
+    public static class TagSizeComparator implements Comparator<Tag>, Serializable {
         
     	/**
 		 * generated serial
diff --git a/source/de/anomic/data/wiki/tokens/LinkToken.java b/source/de/anomic/data/wiki/tokens/LinkToken.java
index 2c65cab5a..01369f3ec 100644
--- a/source/de/anomic/data/wiki/tokens/LinkToken.java
+++ b/source/de/anomic/data/wiki/tokens/LinkToken.java
@@ -87,7 +87,7 @@ public class LinkToken extends AbstractToken {
     }
 	
     protected void parse() throws wikiParserException {
-        final StringBuilder stringBuilder = new StringBuilder();
+        final StringBuilder stringBuilder = new StringBuilder(6000);
 
         if (this.patternNr < 0 || this.patternNr >= patterns.length) {
             throw new wikiParserException("patternNr was not set correctly: " + this.patternNr);
@@ -179,7 +179,7 @@ public class LinkToken extends AbstractToken {
         
         @Override
         public String toString() {
-            final StringBuilder stringBuilder = new StringBuilder();
+            final StringBuilder stringBuilder = new StringBuilder(300);
             stringBuilder.append("<a href=\"").append(this.href).append("\"");
             if (this.title != null) stringBuilder.append(" title=\"").append(this.title).append("\"");
             stringBuilder.append(">");
diff --git a/source/de/anomic/http/server/HTTPDProxyHandler.java b/source/de/anomic/http/server/HTTPDProxyHandler.java
index 2811ceea5..09b81b0f3 100644
--- a/source/de/anomic/http/server/HTTPDProxyHandler.java
+++ b/source/de/anomic/http/server/HTTPDProxyHandler.java
@@ -1194,7 +1194,7 @@ public final class HTTPDProxyHandler {
         if (myAddress != null) {
     
             // getting header set by other proxies in the chain
-            final StringBuilder viaValue = new StringBuilder();
+            final StringBuilder viaValue = new StringBuilder(80);
             if (header.containsKey(HeaderFramework.VIA)) viaValue.append(header.get(HeaderFramework.VIA));
             if (viaValue.length() > 0) viaValue.append(", ");
               
diff --git a/source/de/anomic/http/server/HeaderFramework.java b/source/de/anomic/http/server/HeaderFramework.java
index 89795cf2d..477f5ff51 100644
--- a/source/de/anomic/http/server/HeaderFramework.java
+++ b/source/de/anomic/http/server/HeaderFramework.java
@@ -406,7 +406,7 @@ public class HeaderFramework extends TreeMap<String, String> implements Map<Stri
             final int httpStatusCode, 
             final String httpStatusText) {
         // creating a new buffer to store the header as string
-        final StringBuilder theHeader = new StringBuilder();
+        final StringBuilder theHeader = new StringBuilder(180);
         
         // generating the header string
         this.toHeaderString(httpVersion,httpStatusCode,httpStatusText,theHeader);
diff --git a/source/de/anomic/http/server/RobotsTxtConfig.java b/source/de/anomic/http/server/RobotsTxtConfig.java
index 24506b4c7..6e3baa062 100644
--- a/source/de/anomic/http/server/RobotsTxtConfig.java
+++ b/source/de/anomic/http/server/RobotsTxtConfig.java
@@ -92,7 +92,7 @@ public final class RobotsTxtConfig {
     @Override
     public String toString() {
         if (this.allDisallowed) return ALL;
-        final StringBuilder sb = new StringBuilder();
+        final StringBuilder sb = new StringBuilder(200);
         if (this.blogDisallowed) sb.append(BLOG).append(",");
         if (this.bookmarksDisallowed) sb.append(BOOKMARKS).append(",");
         if (this.dirsDisallowed) sb.append(DIRS).append(",");
diff --git a/source/net/yacy/document/parser/html/ContentScraper.java b/source/net/yacy/document/parser/html/ContentScraper.java
index 69179a675..b6b5ea1a4 100644
--- a/source/net/yacy/document/parser/html/ContentScraper.java
+++ b/source/net/yacy/document/parser/html/ContentScraper.java
@@ -58,6 +58,7 @@ public class ContentScraper extends AbstractScraper implements Scraper {
 
     // all these tags must be given in lowercase, because the tags from the files are compared in lowercase
     static {
+        linkTags0.add("html");      // scraped as tag 0 to get attached properties like 'lang'
         linkTags0.add("img");
         linkTags0.add("base");
         linkTags0.add("frame");
diff --git a/source/net/yacy/document/parser/rssParser.java b/source/net/yacy/document/parser/rssParser.java
index 75c674edb..01f89839f 100644
--- a/source/net/yacy/document/parser/rssParser.java
+++ b/source/net/yacy/document/parser/rssParser.java
@@ -64,11 +64,10 @@ public class rssParser extends AbstractParser implements Idiom {
     public static final Set<String> SUPPORTED_MIME_TYPES = new HashSet<String>();
     public static final Set<String> SUPPORTED_EXTENSIONS = new HashSet<String>();
     static {
-        SUPPORTED_EXTENSIONS.add("xml");
         SUPPORTED_EXTENSIONS.add("rss");
-        SUPPORTED_EXTENSIONS.add("rdf");
+        SUPPORTED_EXTENSIONS.add("xml");
+        SUPPORTED_MIME_TYPES.add("XML");
         SUPPORTED_MIME_TYPES.add("text/rss");
-        SUPPORTED_MIME_TYPES.add("application/rdf+xml");
         SUPPORTED_MIME_TYPES.add("application/rss+xml");
         SUPPORTED_MIME_TYPES.add("application/atom+xml");
     }