diff --git a/app/composables/useStatData.ts b/app/composables/useStatData.ts
index 405e095..a2466b5 100644
--- a/app/composables/useStatData.ts
+++ b/app/composables/useStatData.ts
@@ -5,6 +5,16 @@ export function useStatData(
 	// biome-ignore lint: can be any
 	params: Record<string, any>,
 ) {
+	watch(
+		() => Object.values(params).map((ref) => ref.value),
+		() => {
+			const unwrapped = Object.fromEntries(
+				Object.entries(params).map(([key, ref]) => [key, ref.value]),
+			);
+			umTrackEvent("statsFilterChanged", unwrapped);
+		},
+	);
+
 	const url = computed(() => {
 		if (isGlobalStats.value) {
 			return "/api/stats/time/global";