diff --git a/htdocs/core/ajax/pingresult.php b/htdocs/core/ajax/pingresult.php
new file mode 100644
index 00000000000..9b46546f5c3
--- /dev/null
+++ b/htdocs/core/ajax/pingresult.php
@@ -0,0 +1,72 @@
+<?php
+/* Copyright (C) 2019		Laurent Destailleur	<eldy@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ *       \file       htdocs/core/ajax/pingresult.php
+ *       \brief      File to save result of anonymous ping
+ *       			 Example:  captureserver/public/index.php?action=dolibarrping
+ */
+
+if (! defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL', '1'); // Disables token renewal
+if (! defined('NOREQUIREMENU'))  define('NOREQUIREMENU', '1');
+if (! defined('NOREQUIREHTML'))  define('NOREQUIREHTML', '1');
+if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX', '1');
+if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC', '1');
+if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN', '1');
+
+require '../../main.inc.php';
+require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
+
+$action=GETPOST('action', 'alpha');
+$hash_unique_id=GETPOST('hash_unique_id', 'alpha');
+$hash_algo=GETPOST('hash', 'alpha');
+
+
+// Security check
+if (! empty($user->societe_id))
+	$socid = $user->societe_id;
+
+$now = dol_now();
+
+
+/*
+ * View
+ */
+
+top_httphead();
+
+print '<!-- Ajax page called with url '.dol_escape_htmltag($_SERVER["PHP_SELF"]).'?'.dol_escape_htmltag($_SERVER["QUERY_STRING"]).' -->'."\n";
+
+// If ok
+if ($action == 'firstpingok')
+{
+	// Note: pings are by entities
+	dolibarr_set_const($db, 'MAIN_FIRST_PING_OK_DATE', dol_print_date($now, 'dayhourlog', 'gmt'));
+	dolibarr_set_const($db, 'MAIN_FIRST_PING_OK_ID', $hash_unique_id);
+
+	print 'First ping OK saved for entity '.$conf->entity;
+}
+// If ko
+elseif ($action == 'firstpingko')
+{
+	// Note: pings are by entities
+	dolibarr_set_const($db, 'MAIN_LAST_PING_KO_DATE', dol_print_date($now, 'dayhourlog'), 'gmt');
+	print 'First ping KO saved for entity '.$conf->entity;
+}
+else {
+	print 'Error action='.$action.' not supported';
+}
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index bf4c40a4176..96ddd9696a7 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -1124,6 +1124,7 @@ function top_httphead($contenttype = 'text/html', $forcenocache = 0)
 
 	if ($contenttype == 'text/html' ) header("Content-Type: text/html; charset=".$conf->file->character_set_client);
 	else header("Content-Type: ".$contenttype);
+
 	// Security options
 	header("X-Content-Type-Options: nosniff");  // With the nosniff option, if the server says the content is text/html, the browser will render it as text/html (note that most browsers now force this option to on)
 	if (! defined('XFRAMEOPTIONS_ALLOWALL')) header("X-Frame-Options: SAMEORIGIN");      // Frames allowed only if on same domain (stop some XSS attacks)
@@ -2319,6 +2320,54 @@ if (! function_exists("llxFooter"))
 		print "\n<!-- A div to allow dialog popup -->\n";
 		print '<div id="dialogforpopup" style="display: none;"></div>'."\n";
 
+		// Add code for the fist asynchronous anonymous ping
+		if (($_SERVER["PHP_SELF"] == DOL_URL_ROOT.'/index.php') || GETPOST('forceping', 'alpha'))
+		{
+			if (empty($conf->global->MAIN_FIRST_PING_OK_DATE)
+			|| (! empty($conf->file->instance_unique_id) && $conf->file->instance_unique_id != $conf->global->MAIN_FIRST_PING_OK_ID)
+			|| GETPOST('forceping', 'alpha'))
+			{
+				print "\n".'<!-- Includes JS for Ping of Dolibarr -->'."\n";
+				print "\n<!-- JS CODE TO ENABLE the First anonymous Ping -->\n";
+				?>
+	    			<script>
+	    			jQuery(document).ready(function (tmp) {
+	    				$.ajax({
+	    					  method: "POST",
+	    					  url: "https://ping.dolibarr.org/",
+	    					  timeout: 500,     // timeout milliseconds
+	    					  cache: false,
+	    					  xhrFields: {
+	    					      withCredentials: true
+	    					  },
+	    					  data: { hash_algo: "md5", hash_unique_id: "<?php echo md5($conf->file->instance_unique_id); ?>", action: "dolibarrping", entity: <?php echo (int) $conf->entity; ?> },
+	    					  success: function (data,status,xhr) {   // success callback function
+	      					    	console.log("Ping ok: " + data);
+	        	    				$.ajax({
+	      	    					  method: "GET",
+	      	    					  url: "<?php echo DOL_URL_ROOT.'/core/ajax/pingresult.php'; ?>",
+	      	    					  timeout: 500,     // timeout milliseconds
+	      	    					  cache: false,
+	      	        				  data: { hash_algo: "md5", hash_unique_id: "<?php echo md5($conf->file->instance_unique_id); ?>", action: "firstpingok" },
+	    					  		});
+	    					  },
+	    					  error: function (data,status,xhr) {   // success callback function
+	        					    console.log("Ping ko: " + data);
+	        	    				$.ajax({
+	        	    					  method: "GET",
+	        	    					  url: "<?php echo DOL_URL_ROOT.'/core/ajax/pingresult.php'; ?>",
+	        	    					  timeout: 500,     // timeout milliseconds
+	        	    					  cache: false,
+	        	        				  data: { hash_algo: "md5", hash_unique_id: "<?php echo md5($conf->file->instance_unique_id); ?>", action: "firstpingko" },
+	      					  		});
+	    					  }
+	    				});
+	    			});
+	    			</script>
+				<?php
+			}
+		}
+
 		print "</body>\n";
 		print "</html>\n";