diff --git a/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java b/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
index 4709877..f65961e 100644
--- a/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
+++ b/src/fr/devinsy/statoolinfos/metrics/http/HttpAccessLogAnalyzer.java
@@ -54,6 +54,11 @@ public class HttpAccessLogAnalyzer
     private IpCounters ipv6;
     private IpCounters botIps;
     private IpCounters visitorIps;
+    private VisitorCounters visitors;
+    private VisitorCounters ipv4Visitors;
+    private VisitorCounters ipv6Visitors;
+    private VisitorCounters botVisitors;
+    private VisitorCounters humanVisitors;
 
     /**
      * Instantiates a new http access log prober.
@@ -69,6 +74,12 @@ public class HttpAccessLogAnalyzer
         this.ipv6 = new IpCounters();
         this.botIps = new IpCounters();
         this.visitorIps = new IpCounters();
+
+        this.visitors = new VisitorCounters();
+        this.ipv4Visitors = new VisitorCounters();
+        this.ipv6Visitors = new VisitorCounters();
+        this.botVisitors = new VisitorCounters();
+        this.humanVisitors = new VisitorCounters();
     }
 
     /**
@@ -93,6 +104,12 @@ public class HttpAccessLogAnalyzer
         result.putAll(this.botVisits.getCounters("metrics.http.visits.bots"));
         result.putAll(this.visitorVisits.getCounters("metrics.http.visits.visitors"));
 
+        result.putAll(this.visitors.getCounters("metrics.http.visitors"));
+        result.putAll(this.ipv4Visitors.getCounters("metrics.http.visitors.ipv4"));
+        result.putAll(this.ipv6Visitors.getCounters("metrics.http.visitors.ipv6"));
+        result.putAll(this.botVisitors.getCounters("metrics.http.visitors.bots"));
+        result.putAll(this.humanVisitors.getCounters("metrics.http.visitors.humans"));
+
         //
         return result;
     }
@@ -259,6 +276,35 @@ public class HttpAccessLogAnalyzer
                 this.visitorVisits.storeTimeMarks(year, yearMonth, yearWeek, date);
             }
 
+            //
+
+            // metrics.http.visitors.* =
+            this.visitors.put(log.getIp(), log.getUserAgent(), year, yearMonth, yearWeek, date);
+
+            // metrics.http.visitors.ipv4.* =
+            // metrics.http.visitors.ipv6.* =
+            if (log.isIPv4())
+            {
+                this.ipv4Visitors.put(log.getIp(), log.getUserAgent(), year, yearMonth, yearWeek, date);
+            }
+            else
+            {
+                this.ipv6Visitors.put(log.getIp(), log.getUserAgent(), year, yearMonth, yearWeek, date);
+            }
+
+            // metrics.http.visitors.bots.*
+            // metrics.http.visitors.humans.*
+            if (log.isBot())
+            {
+                this.botVisitors.put(log.getIp(), log.getUserAgent(), year, yearMonth, yearWeek, date);
+            }
+            else
+            {
+                this.humanVisitors.put(log.getIp(), log.getUserAgent(), year, yearMonth, yearWeek, date);
+            }
+
+            //
+
             // metrics.http.countries.XX =
 
             // metrics.http.errors.* =
diff --git a/src/fr/devinsy/statoolinfos/metrics/http/VisitorCounters.java b/src/fr/devinsy/statoolinfos/metrics/http/VisitorCounters.java
new file mode 100644
index 0000000..b8501ac
--- /dev/null
+++ b/src/fr/devinsy/statoolinfos/metrics/http/VisitorCounters.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of StatoolInfos, simple service statistics tool.
+ * 
+ * StatoolInfos is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * StatoolInfos is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with StatoolInfos.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.statoolinfos.metrics.http;
+
+import java.util.HashMap;
+
+import fr.devinsy.statoolinfos.metrics.PathCounters;
+import fr.devinsy.strings.StringSet;
+
+/**
+ * The Class VisitorCounters.
+ */
+public class VisitorCounters extends HashMap<String, StringSet>
+{
+    private static final long serialVersionUID = -6892042933297886639L;
+
+    /**
+     * Instantiates a new visitor counters.
+     */
+    public VisitorCounters()
+    {
+        super();
+    }
+
+    /**
+     * Gets the.
+     *
+     * @param timeMark
+     *            the time mark
+     * @return the string set
+     */
+    private StringSet get(final String timeMark)
+    {
+        StringSet result;
+
+        result = super.get(timeMark);
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the counters.
+     *
+     * @return the counters
+     */
+    public PathCounters getCounters(final String prefix)
+    {
+        PathCounters result;
+
+        result = new PathCounters();
+
+        for (String timeMark : keySet())
+        {
+            StringSet set = get(timeMark);
+            result.inc(set.size(), prefix, timeMark);
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Gets the counts of a timeMark.
+     *
+     * @param timeMark
+     *            the time mark
+     * @return the counts
+     */
+    public int getCounts(final String timeMark)
+    {
+        int result;
+
+        StringSet set = get(timeMark);
+        if (set == null)
+        {
+            result = 0;
+        }
+        else
+        {
+            result = set.size();
+        }
+
+        //
+        return result;
+    }
+
+    /**
+     * Put.
+     *
+     * @param ip
+     *            the ip
+     * @param timeMarks
+     *            the time marks
+     */
+    public void put(final String ip, final UserAgent userAgent, final String... timeMarks)
+    {
+        for (String timeMark : timeMarks)
+        {
+            put(ip, userAgent, timeMark);
+        }
+    }
+
+    /**
+     * Put.
+     *
+     * @param timemark
+     *            the timemark
+     * @param ip
+     *            the ip
+     */
+    public void put(final String ip, final UserAgent userAgent, final String timemark)
+    {
+        StringSet set = super.get(timemark);
+        if (set == null)
+        {
+            set = new StringSet();
+            put(timemark, set);
+        }
+
+        set.put(ip + userAgent);
+    }
+}