diff --git a/admin.css b/admin.css
index 5b2cf86..f057d64 100644
--- a/admin.css
+++ b/admin.css
@@ -99,6 +99,7 @@
 		&.cl_operaold::before { background-position-y: -380px }
 		&.cl_whatsapp::before { background-position-y: -400px }
 		&.cl_applemsgs::before { background-position-y: -420px }
+		&.cl_goognblm::before { background-position-y: -440px }
 		&.cl_other::before { background-image: url('img/more.svg') }
 
 		/* Country flags */
@@ -805,7 +806,6 @@
 			}
 		}
 
-
 		#botmon__latest {
 
 			header {
diff --git a/config/default-config.json b/config/default-config.json
index 963ee91..15dfdbf 100644
--- a/config/default-config.json
+++ b/config/default-config.json
@@ -61,9 +61,9 @@
 		 "id": "langMatch", "desc": "Client’s ‘Accept-Language’ header does not match the page language",
 		 "bot": 30
 		},
-		{"func": "matchesClient", "params": ["whatsapp","applemsgs"],
-		 "id": "previewClient", "desc": "Client is known to only load a page preview",
-		 "bot": -90
+		{"func": "matchesClient", "params": ["whatsapp","applemsgs","goognblm"],
+		 "id": "previewClient", "desc": "User-triggered bot load (e.g. preview)",
+		 "bot": -120
 		}
 	]
 }
\ No newline at end of file
diff --git a/config/known-clients.json b/config/known-clients.json
index 5de75ba..b47bcd1 100644
--- a/config/known-clients.json
+++ b/config/known-clients.json
@@ -94,5 +94,9 @@
 	{"n": "Apple Messages",
 	 "id": "applemsgs",
 	 "rx": ["Facebot Twitterbot\\/(\\d\\.\\d)"]
+	},
+	{"n": "Google NotebookLM",
+	 "id": "goognblm",
+	 "rx": ["Google-NotebookLM"]
 	}
 ]
diff --git a/img/clients.png b/img/clients.png
index cf4d28d..19aa704 100644
Binary files a/img/clients.png and b/img/clients.png differ