diff --git a/admin.css b/admin.css
index c3fb2ba..af620f0 100644
--- a/admin.css
+++ b/admin.css
@@ -111,7 +111,8 @@
 		&.cl_ecosia::before { background-position-y: -340px }
 		&.cl_webkit::before { background-position-y: -360px }
 		&.cl_operaold::before { background-position-y: -380px }
-		&.cl_wget::before, &.cl_urllib::before { background-position-y: -400px }
+		&.cl_wget::before { background-position-y: -400px }
+		&.cl_python::before { background-position-y: -420px }
 		&.cl_other::before { background-image: url('img/more.svg') }
 
 		/* Captcha statuses */
@@ -119,6 +120,8 @@
 		&.cap_Y::before { background-position-y: -20px }
 		&.cap_YN::before { background-position-y: -40px }
 		&.cap_W::before { background-position-y: -60px }
+		&.cap_H::before { background-position-y: -80px }
+		&.cap_X::before { background-position-y: -100px }
 
 		/* Country flags */
 		/* Note: flag images and CSS adapted from: https://github.com/lafeber/world-flags-sprite/ */
diff --git a/admin.js b/admin.js
index eea32a0..00cecc9 100644
--- a/admin.js
+++ b/admin.js
@@ -389,7 +389,9 @@ BotMon.live = {
 						_jsClient: false, // visitor has been seen logged by client js as well
 						_client: BotMon.live.data.clients.match(nv.agent) ?? null, // client info
 						_platform: BotMon.live.data.platforms.match(nv.agent), // platform info
-						_captcha: {'-': 0, 'Y': 0, 'N': 0, 'W':0} // captcha counter
+						_captcha: {'X': 0, 'Y': 0, 'N': 0, 'W':0, 'H': 0,
+							_str: function() { return (this.X > 0 ? 'X' : '') + (this.Y > 0 ? 'Y' : '') + (this.N > 0 ? 'N' : '') + (this.W > 0 ? 'W' : '') + (this.H > 0 ? 'H' : ''); }
+						} // captcha counter
 					}};
 					model._visitors.push(visitor);
 				};
@@ -540,6 +542,19 @@ BotMon.live = {
 					_loadCount: 0,
 					_tickCount: 0
 				};
+			},
+
+			// helper function to make a human-readable title from the Captcha statuses:
+			_makeCaptchaTitle: function(cObj) {
+				const cStr = cObj._str();
+				switch (cStr) {
+					case 'Y':
+					case 'NY': return "Blocked by captcha";
+					case 'YN': return "Captcha solved";
+					case 'W': return "IP Address whitelisted";
+					case 'H': return "HEAD request, no captcha";
+					default: return "Undefined: " + cStr;
+				}
 			}
 		},
 
@@ -2255,8 +2270,9 @@ BotMon.live = {
 
 			_makeVisitorItem: function(data, type) {
 
-				// shortcut for neater code:
+				// shortcuts for neater code:
 				const make = BotMon.t._makeElement;
+				const model = BotMon.live.data.model;
 
 				let ipType = ( data.ip.indexOf(':') >= 0 ? '6' : '4' );
 				if (data.ip == '127.0.0.1' || data.ip == '::1' ) ipType = '0';
@@ -2349,11 +2365,14 @@ BotMon.live = {
 						'title': "Seen by: " + data._seenBy.join('+')
 					}, data._seenBy.join(', ')));
 
-					const captchaCode = '' + ( data._captcha['Y'] > 0 ? 'Y' : '' ) + ( data._captcha['N'] > 0 ? 'N' : '' ) + ( data._captcha['W'] > 0 ? 'W' : '' );
-					if (captchaCode !== '') {
+					// captcha status:
+					const cCode = ( data._captcha ? data._captcha._str() : '');
+					if (cCode !== '') {
+						const cTitle = model._makeCaptchaTitle(data._captcha)
 						span2.appendChild(make('span', { // captcha status
-							'class': 'icon_only captcha cap_' + captchaCode,
-						}, captchaCode));
+							'class': 'icon_only captcha cap_' + cCode,
+							'title': "Captcha-status: " + cTitle
+						}, cTitle));
 					}
 
 				summary.appendChild(span2);
@@ -2367,8 +2386,9 @@ BotMon.live = {
 
 			_makeVisitorDetails: function(data, type) {
 
-				// shortcut for neater code:
+				// shortcuts for neater code:
 				const make = BotMon.t._makeElement;
+				const model = BotMon.live.data.model;
 
 				let ipType = ( data.ip.indexOf(':') >= 0 ? '6' : '4' );
 				if (data.ip == '127.0.0.1' || data.ip == '::1' ) ipType = '0';
@@ -2468,11 +2488,12 @@ BotMon.live = {
 						'title': "Country: " + data._country
 					}, data._country + ' (' + data.geo + ')'));
 				}
+
 				if (data.captcha && data.captcha !=='') {
 					dl.appendChild(make('dt', {}, "Captcha-status:"));
 					dl.appendChild(make('dd', {
 						'class': 'captcha'
-					}, data.captcha));
+					}, model._makeCaptchaTitle(data._captcha)));
 				}
 
 				dl.appendChild(make('dt', {}, "Session ID:"));
diff --git a/config/known-clients.json b/config/known-clients.json
index 04ad822..9f35745 100644
--- a/config/known-clients.json
+++ b/config/known-clients.json
@@ -87,13 +87,13 @@
 	 "id": "undici",
 	 "rx": ["undici"]
 	},
-	{"n": "GoHTTP-based crawler",
+	{"n": "GoHTTP-based bot",
 	 "id": "gohttp",
 	 "rx": ["Go\\-http\\-client\\/(\\d+)", "quic\\-go\\-HTTP\\/(\\d+)"]
 	},
 	{"n": "Python URLlib-based crawler",
-	 "id": "urllib",
-	 "rx": ["Python\\-urllib\\/(\\d+\\.?\\d*)", "quic\\-go\\-HTTP\\/(\\d+)"]
+	 "id": "python",
+	 "rx": ["Python\\-?\\w*\\/(\\d+\\.?\\d*)"]
 	},
 	{"n": "AppleWebKit",
 	 "id": "webkit",
diff --git a/img/captcha.png b/img/captcha.png
index f101af1..842decf 100644
Binary files a/img/captcha.png and b/img/captcha.png differ
diff --git a/img/clients.png b/img/clients.png
index c96355f..8cf182c 100644
Binary files a/img/clients.png and b/img/clients.png differ