diff --git a/admin.css b/admin.css
index 3d650d2..1f263bb 100644
--- a/admin.css
+++ b/admin.css
@@ -116,6 +116,7 @@
 			background:url(img/flags.png) no-repeat 0 0;
 			background-size: 20px auto;
 		}
+		&.ctry_eu::before { background-position-y: -161px }
 		&.ctry_ad::before { background-position-y: -441px }
 		&.ctry_ae::before { background-position-y: -461px }
 		&.ctry_af::before { background-position-y: -481px }
@@ -380,6 +381,17 @@
 		&.ref_facebook::before { background-position-y: -280px }
 		&.ref_discord::before { background-position-y: -300px }
 		&.ref_other::before { background-image: url('img/more.svg') }
+
+		/* seen-by icons */	
+		&.seenby::before { background-image: url('img/stages.png') }
+		&.sb_srv::before { background-position-y: -20px }
+		&.sb_log::before { background-position-y: -40px }
+		&.sb_srvlog::before { background-position-y: -60px }
+		&.sb_tck::before { background-position-y: -80px }
+		&.sb_srvtck::before { background-position-y: -100px }
+		&.sb_logtck::before { background-position-y: -120px }
+		&.sb_srvlogtck::before { background-position-y: -140px }
+
 	}
 
 	.page_icon {
diff --git a/admin.js b/admin.js
index 57521da..49765e5 100644
--- a/admin.js
+++ b/admin.js
@@ -1156,7 +1156,7 @@ BotMon.live = {
 
 				// check for unknown bots:
 				if (!botInfo) {
-					const botmatch = agent.match(/([\s\d\w\-]*bot|[\s\d\w\-]*crawler|[\s\d\w\-]*spider)[\/\s;\),\\.$]/i);
+					const botmatch = agent.match(/([\s\d\w\-]*bot|[\s\d\w\-]*crawler|[\s\d\w\-]*spider)[\/\s\w\-;\),\\.$]/i);
 					if(botmatch) {
 						botInfo = {'id': ( botmatch[1] || "other_" ), 'n': "Other" + ( botmatch[1] ? " (" + botmatch[1] + ")" : "" ) , "bot": botmatch[1] };
 					}
@@ -1543,15 +1543,15 @@ BotMon.live = {
 				},
 
 				// test for specific client identifiers:
-				/*matchesClients: function(visitor, ...list) {
+				matchesUserAgent: function(visitor, ...list) {
 
 					for (let i=0; i<list.length; i++) {
-						if (visitor._client.id == list[i]) {
-								return true
+						if (visitor.agent == list[i]) {
+							return true
 						}
 					};
 					return false;
-				},*/
+				},
 
 				// unusual combinations of Platform and Client:
 				combinationTest: function(visitor, ...combinations) {
@@ -2299,6 +2299,12 @@ BotMon.live = {
 					}, data.id));
 				}
 
+				// seen by icon:
+				span1.appendChild(make('span', {
+					'class': 'icon_only seenby sb_' + data._seenBy.join(''),
+					'title': "Seen by: " + data._seenBy.join('+')
+				}, data._seenBy.join(', ')));
+
 				// country flag:
 				if (data.geo && data.geo !== 'ZZ') {
 					span1.appendChild(make('span', {
@@ -2411,6 +2417,19 @@ BotMon.live = {
 				dl.appendChild(make('dt', {}, "User-Agent:"));
 				dl.appendChild(make('dd', {'class': 'agent'}, data.agent));
 
+				if (data.ref && data.ref !== '') {
+					dl.appendChild(make('dt', {}, "Referrer:"));
+					
+					const refInfo = BotMon.live.data.analytics.getRefererInfo(data.ref);
+					const refDd = dl.appendChild(make('dd', {
+						'class': 'has_icon referer ref_' + refInfo.id
+					}));
+					refDd.appendChild(make('a', {
+						'href': data.ref,
+						'target': 'refTarget'
+					}, data.ref));
+				}
+
 				dl.appendChild(make('dt', {}, "Languages:"));
 				dl.appendChild(make('dd', {'class': 'langs'}, ` [${data.accept}]`));
 
@@ -2427,7 +2446,7 @@ BotMon.live = {
 				dl.appendChild(make('dd', {'class': 'has_icon session typ_' + data.typ}, data.id));
 
 				dl.appendChild(make('dt', {}, "Seen by:"));
-				dl.appendChild(make('dd', undefined, data._seenBy.join(', ') ));
+				dl.appendChild(make('dd', {'class': 'has_icon seenby sb_' + data._seenBy.join('')}, data._seenBy.join(', ') ));
 
 				dl.appendChild(make('dt', {}, "Visited pages:"));
 				const pagesDd = make('dd', {'class': 'pages'});
diff --git a/config/default-config.json b/config/default-config.json
index ccb5a6a..56cff40 100644
--- a/config/default-config.json
+++ b/config/default-config.json
@@ -23,7 +23,7 @@
 		},
 		{"func": "smallPageCount", "params": [1],
 		 "id": "onePage", "desc": "Visiter viewed only a single page",
-		 "bot": 30
+		 "bot": 20
 		},
 		{"func": "noRecord", "params": ["log"],
 		 "id": "noClient", "desc": "No client-side JS log was recorded",
@@ -31,7 +31,7 @@
 		},
 		{"func": "noRecord", "params": ["tck"],
 		 "id": "noTicks", "desc": "No client ticks were recorded",
-		 "bot": 20
+		 "bot": 10
 		},
 		{"func": "noReferrer",
 		 "id": "noRefs", "desc": "No referer field",
@@ -45,6 +45,10 @@
 		 "id": "botClient", "desc": "Client identifier indicates web crawler",
 		 "bot": 100
 		},
+		{"func": "matchesUserAgent", "params": [""],
+		 "id": "noUA", "desc": "Didn’t even bother to send a user-agent string",
+		 "bot": 50
+		},
 		{"func": "combinationTest", "params": [["macos","chromeold"],["macos","msie"],["winold","edge"],["winold","brave"]],
 		 "id": "suspPC", "desc": "Suspicious combination of platform and client",
 		 "bot": 30
diff --git a/config/known-clients.json b/config/known-clients.json
index 51b001f..0e8a4f0 100644
--- a/config/known-clients.json
+++ b/config/known-clients.json
@@ -89,7 +89,7 @@
 	},
 	{"n": "WhatsApp",
 	 "id": "whatsapp",
-	 "rx": [ "WhatsApp/(\\d+\\.\\d+)" ]
+	 "rx": [ "WhatsApp/(\\d+\\.?\\d*)" ]
 	},
 	{"n": "Apple Messages",
 	 "id": "applemsgs",
diff --git a/img/stages.png b/img/stages.png
new file mode 100644
index 0000000..0ac0c9e
Binary files /dev/null and b/img/stages.png differ
diff --git a/plugin.info.txt b/plugin.info.txt
index 7d8cf9f..b205a53 100644
--- a/plugin.info.txt
+++ b/plugin.info.txt
@@ -1,7 +1,7 @@
 base   botmon
 author Sascha Leib
 email  ad@hominem.com
-date   2025-10-17
+date   2025-10-19
 name   Bot Monitoring
 desc   A tool for monitoring and analysing bot traffic to your wiki (under development)
 url    https://www.dokuwiki.org/plugin:botmon