diff --git a/db.py b/db.py
index f4ec4dd..0906fa8 100644
--- a/db.py
+++ b/db.py
@@ -19,9 +19,16 @@ NOTIFICATION_MESSAGES = collections.deque([], NOTIFICATION_BUFFER_SIZE)
 NOTIFICATION_HISTORY_BUFFER_RESOLUTION_PER_MIN = 12
 NOTIFICATION_HISTORY_BUFFER_TIMESPAN_MIN = 20
 NOTIFICATION_HISTORY_FREQUENCY = 60 / NOTIFICATION_HISTORY_BUFFER_RESOLUTION_PER_MIN
-notification_history_size = NOTIFICATION_HISTORY_BUFFER_RESOLUTION_PER_MIN * NOTIFICATION_HISTORY_BUFFER_TIMESPAN_MIN
-NOTIFICATION_HISTORY = collections.deque([], notification_history_size)
-NOTIFICATION_HISTORY.extend([0] * notification_history_size)
+notification_history_buffer_size = NOTIFICATION_HISTORY_BUFFER_RESOLUTION_PER_MIN * NOTIFICATION_HISTORY_BUFFER_TIMESPAN_MIN
+NOTIFICATION_HISTORY = collections.deque([], notification_history_buffer_size)
+NOTIFICATION_HISTORY.extend([0] * notification_history_buffer_size)
+
+USER_ACTIVITY_BUFFER_RESOLUTION_PER_MIN = 2
+USER_ACTIVITY_TIMESPAN_MIN = 20
+USER_ACTIVITY_FREQUENCY = 60 / USER_ACTIVITY_BUFFER_RESOLUTION_PER_MIN
+USER_ACTIVITY = {}
+user_activity_buffer_size = USER_ACTIVITY_BUFFER_RESOLUTION_PER_MIN * USER_ACTIVITY_TIMESPAN_MIN
+
 
 def resetNotificationMessage():
    global NOTIFICATION_MESSAGES
@@ -29,5 +36,18 @@ def resetNotificationMessage():
 
 def resetNotificationHistory():
    global NOTIFICATION_HISTORY
-   NOTIFICATION_HISTORY = collections.deque([], notification_history_size)
-   NOTIFICATION_HISTORY.extend([0] * notification_history_size)
\ No newline at end of file
+   NOTIFICATION_HISTORY = collections.deque([], notification_history_buffer_size)
+   NOTIFICATION_HISTORY.extend([0] * notification_history_buffer_size)
+
+def addUserActivity(user_id: int, count: int):
+   global USER_ACTIVITY, USER_ACTIVITY_TIMESPAN_MIN
+
+   if user_id not in USER_ACTIVITY:
+      USER_ACTIVITY[user_id] = collections.deque([], user_activity_buffer_size)
+      USER_ACTIVITY[user_id].extend([0] * user_activity_buffer_size)
+   USER_ACTIVITY[user_id].append(count)
+
+def resetUserActivity():
+   for user_id in USER_ACTIVITY.keys():
+      USER_ACTIVITY[user_id] = collections.deque([], user_activity_buffer_size)
+      USER_ACTIVITY[user_id].extend([0] * user_activity_buffer_size)
\ No newline at end of file
diff --git a/notification.py b/notification.py
index d08f87d..4c6be5d 100644
--- a/notification.py
+++ b/notification.py
@@ -27,14 +27,26 @@ def get_notifications() -> list[dict]:
     return list(db.NOTIFICATION_MESSAGES)
 
 
-def get_notifications_history() -> list[dict]:
+def get_notifications_history() -> dict:
     return {
         'history': list(db.NOTIFICATION_HISTORY),
         'config': {
             'buffer_resolution_per_minute': db.NOTIFICATION_HISTORY_BUFFER_RESOLUTION_PER_MIN,
             'buffer_timestamp_min': db.NOTIFICATION_HISTORY_BUFFER_TIMESPAN_MIN,
             'frequency': db.NOTIFICATION_HISTORY_FREQUENCY,
-            'notification_history_size': db.notification_history_size,
+            'notification_history_size': db.notification_history_buffer_size,
+        },
+    }
+
+
+def get_users_activity() -> dict:
+    return {
+        'activity': {user_id: list(activity) for user_id, activity in db.USER_ACTIVITY.items()},
+        'config': {
+            'timestamp_min': db.USER_ACTIVITY_TIMESPAN_MIN,
+            'buffer_resolution_per_minute': db.USER_ACTIVITY_BUFFER_RESOLUTION_PER_MIN,
+            'frequency': db.USER_ACTIVITY_FREQUENCY,
+            'activity_buffer_size': db.user_activity_buffer_size,
         },
     }
 
@@ -51,6 +63,10 @@ def record_notification_history(message_count: int):
     db.NOTIFICATION_HISTORY.append(message_count)
 
 
+def record_user_activity(user_id: int, count: int):
+    db.addUserActivity(user_id, count)
+
+
 def get_user_id(data: dict):
     if 'user_id' in data:
         return int(data['user_id'])
diff --git a/server.py b/server.py
index d2137d6..9d879d5 100755
--- a/server.py
+++ b/server.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 
+import collections
 import functools
 import json
 import sys
@@ -20,6 +21,7 @@ import misp_api
 ZMQ_MESSAGE_COUNT_LAST_TIMESPAN = 0
 ZMQ_MESSAGE_COUNT = 0
 ZMQ_LAST_TIME = None
+USER_ACTIVITY = collections.defaultdict(int)
 
 
 def debounce(debounce_seconds: int = 1):
@@ -109,6 +111,10 @@ async def reset_notifications(sid):
 async def get_diagnostic(sid):
     return await getDiagnostic()
 
+@sio.event
+async def get_users_activity(sid):
+    return notification_model.get_users_activity()
+
 @sio.event
 async def toggle_verbose_mode(sid, payload):
     return notification_model.set_verbose_mode(payload['verbose'])
@@ -144,6 +150,9 @@ async def handleMessage(topic, s, message):
             if notification_model.is_accepted_notification(notification):
                 notification_model.record_notification(notification)
                 ZMQ_MESSAGE_COUNT_LAST_TIMESPAN += 1
+                user_id = notification_model.get_user_id(data)
+                if user_id is not None:
+                    USER_ACTIVITY[user_id] += 1
                 await sio.emit('notification', notification)
 
         user_id = notification_model.get_user_id(data)
@@ -201,6 +210,18 @@ async def notification_history():
         await sio.emit('update_notification_history', payload)
 
 
+async def record_users_activity():
+    global USER_ACTIVITY
+
+    while True:
+        await sio.sleep(db.USER_ACTIVITY_FREQUENCY)
+        for user_id, activity in USER_ACTIVITY.items():
+            notification_model.record_user_activity(user_id, activity)
+            USER_ACTIVITY[user_id] = 0
+        payload = notification_model.get_users_activity()
+        await sio.emit('update_users_activity', payload)
+
+
 async def keepalive():
     global ZMQ_LAST_TIME
     while True:
@@ -237,6 +258,7 @@ async def init_app():
     sio.start_background_task(forward_zmq_to_socketio)
     sio.start_background_task(keepalive)
     sio.start_background_task(notification_history)
+    sio.start_background_task(record_users_activity)
     sio.start_background_task(backup_exercises_progress)
     return app
 
diff --git a/src/components/LiveLogsUserActivityGraph.vue b/src/components/LiveLogsUserActivityGraph.vue
new file mode 100644
index 0000000..82873da
--- /dev/null
+++ b/src/components/LiveLogsUserActivityGraph.vue
@@ -0,0 +1,129 @@
+<script setup>
+  import { ref, watch, computed } from "vue"
+  import { userActivity, userActivityConfig } from "@/socket";
+  import { darkModeEnabled } from "@/settings.js"
+
+  const props = defineProps(['user_id'])
+
+  const theChart = ref(null)
+  const bufferSize = computed(() => userActivityConfig.value.activity_buffer_size)
+  const bufferSizeMin = computed(() => userActivityConfig.value.timestamp_min)
+  const chartInitSeries = Array.from(Array(bufferSize.value)).map(() => 0)
+  
+  const hasActivity = computed(() => userActivity.value.length != 0)
+  const chartSeries = computed(() => {
+    return !hasActivity.value ? chartInitSeries : activitySeries.value
+  })
+
+  const activitySeries = computed(() => {
+    const data = userActivity.value[props.user_id] === undefined ? chartInitSeries : userActivity.value[props.user_id]
+    return [{data: Array.from(data)}]
+  })
+  const colorRanges = [1, 3, 5, 7, 9, 1000]
+
+  const chartOptions = computed(() => {
+    return {
+      chart: {
+        height: 20,
+        width: 208,
+        type: 'heatmap',
+        sparkline: {
+          enabled: true
+        },
+        animations: {
+            enabled: false,
+            easing: 'easeinout',
+            speed: 200,
+        },
+      },
+      dataLabels: {
+        enabled: false,
+        style: {
+          fontSize: '10px',
+          fontWeight: '400',
+        }
+      },
+      plotOptions: {
+        heatmap: {
+            radius: 2,
+            enableShades: !true,
+            shadeIntensity: 0.5,
+            reverseNegativeShade: true,
+            distributed: false,
+            useFillColorAsStroke: false,
+            colorScale: {
+              ranges: [
+                {
+                  from: 0,
+                  to: colorRanges[0],
+                  color: darkModeEnabled.value ? '#172554' : '#bfdbfe',
+                },
+                {
+                  from: colorRanges[0] + 1,
+                  to: colorRanges[1],
+                  color: darkModeEnabled.value ? '#1e40af' : '#93c5fd',
+                },
+                {
+                  from: colorRanges[1] + 1,
+                  to: colorRanges[2],
+                  color: darkModeEnabled.value ? '#2563eb' : '#60a5fa',
+                },
+                {
+                  from: colorRanges[2] + 1,
+                  to: colorRanges[3],
+                  color: darkModeEnabled.value ? '#3b82f6' : '#3b82f6',
+                },
+                {
+                  from: colorRanges[3] + 1,
+                  to: colorRanges[4],
+                  color: darkModeEnabled.value ? '#60a5fa' : '#2563eb',
+                },
+                {
+                  from: colorRanges[4] + 1,
+                  to: colorRanges[5],
+                  color: darkModeEnabled.value ? '#93c5fd' : '#1d4ed8',
+                },
+              ],
+              // inverse: false,
+              min: 0,
+              max: 1000
+            },
+        },
+      },
+      states: {
+        hover: {
+          filter: {
+            type: 'none',
+          }
+        },
+        active: {
+          filter: {
+            type: 'none',
+          }
+        },
+      },
+      grid: {
+        show: false,
+      },
+      legend: {
+        show: true,
+      },
+      stroke: {
+        width: 0,
+      },
+      tooltip: {
+        enabled: false,
+      },
+    }
+  })
+
+</script>
+
+<template>
+  <span
+    class="h-3 w-52"
+    :title="`Activity over ${bufferSizeMin}min`"
+  >
+    <apexchart type="heatmap" height="12" width="208" :options="chartOptions" :series="chartSeries"></apexchart>
+  </span>
+</template>
\ No newline at end of file
diff --git a/src/components/TheLiveLogsActivityGraph.vue b/src/components/TheLiveLogsActivityGraph.vue
index 64c0d6b..9868b40 100644
--- a/src/components/TheLiveLogsActivityGraph.vue
+++ b/src/components/TheLiveLogsActivityGraph.vue
@@ -5,7 +5,6 @@
 
   const theChart = ref(null)
   const chartInitSeries = [
-    // {data: Array.apply(null, {length: 240}).map(Function.call, Math.random)}
     {data: Array.from(Array(12*20)).map(()=> 0)}
   ]
   const hasActivity = computed(() => notificationHistory.value.length > 0)
diff --git a/src/components/TheScores.vue b/src/components/TheScores.vue
index 23b2acd..de270da 100644
--- a/src/components/TheScores.vue
+++ b/src/components/TheScores.vue
@@ -3,6 +3,7 @@
   import { active_exercises as exercises, progresses, setCompletedState } from "@/socket";
   import { FontAwesomeIcon } from '@fortawesome/vue-fontawesome'
   import { faCheck, faTimes, faGraduationCap, faMedal, faHourglassHalf } from '@fortawesome/free-solid-svg-icons'
+  import LiveLogsUserActivityGraph from "./LiveLogsUserActivityGraph.vue"
 
   const collapsed_panels = ref([])
 
@@ -85,11 +86,14 @@
         </tr>
         <template v-else>
           <tr v-for="(progress, user_id) in progresses" :key="user_id" class="bg-slate-100 dark:bg-slate-900">
-            <td class="border-b border-slate-200 dark:border-slate-700 text-slate-600 dark:text-slate-400 p-3 pl-6">
-              <span :title="user_id" class="text-nowrap">
-                <FontAwesomeIcon v-if="progress.exercises[exercise.uuid].score / progress.exercises[exercise.uuid].max_score == 1" :icon="faMedal" class="mr-1 text-amber-300"></FontAwesomeIcon>
-                <span class="text-lg font-bold font-mono">{{ progress.email.split('@')[0] }}</span>
-                <span class="text-xs font-mono">@{{ progress.email.split('@')[1] }}</span>
+            <td class="border-b border-slate-200 dark:border-slate-700 text-slate-600 dark:text-slate-400 p-0 pl-2 relative">
+              <span class="flex flex-col">
+                <span :title="user_id" class="text-nowrap inline-block leading-5">
+                  <FontAwesomeIcon v-if="progress.exercises[exercise.uuid].score / progress.exercises[exercise.uuid].max_score == 1" :icon="faMedal" class="mr-1 text-amber-300"></FontAwesomeIcon>
+                  <span class="text-lg font-bold font-mono leading-5">{{ progress.email.split('@')[0] }}</span>
+                  <span class="text-xs font-mono">@{{ progress.email.split('@')[1] }}</span>
+                </span>
+                <LiveLogsUserActivityGraph :user_id="user_id"></LiveLogsUserActivityGraph>
               </span>
             </td>
             <td
diff --git a/src/socket.js b/src/socket.js
index a5e282e..df96614 100644
--- a/src/socket.js
+++ b/src/socket.js
@@ -3,7 +3,7 @@ import { io } from "socket.io-client";
 import debounce from 'lodash.debounce'
 
 // "undefined" means the URL will be computed from the `window.location` object
-const URL = process.env.NODE_ENV === "production" ? undefined : "http://localhost:4000";
+const URL = process.env.NODE_ENV === "production" ? undefined : "http://localhost:40001";
 const MAX_LIVE_LOG = 30
 
 const initial_state = {
@@ -12,6 +12,8 @@ const initial_state = {
   notificationAPICounter: 0,
   notificationHistory: [],
   notificationHistoryConfig: {},
+  userActivity: {},
+  userActivityConfig: {},
   exercises: [],
   selected_exercises: [],
   progresses: {},
@@ -44,6 +46,8 @@ export const userCount = computed(() => Object.keys(state.progresses).length)
 export const diagnostic = computed(() => state.diagnostic)
 export const notificationHistory = computed(() => state.notificationHistory)
 export const notificationHistoryConfig = computed(() => state.notificationHistoryConfig)
+export const userActivity = computed(() => state.userActivity)
+export const userActivityConfig = computed(() => state.userActivityConfig)
 export const socketConnected = computed(() => connectionState.connected)
 export const zmqLastTime = computed(() => connectionState.zmq_last_time)
 
@@ -56,6 +60,7 @@ export function fullReload() {
   getSelectedExercises()
   getNotifications()
   getProgress()
+  getUsersActivity()
 }
 
 export function setCompletedState(completed, user_id, exec_uuid, task_uuid) {
@@ -122,6 +127,15 @@ function getProgress() {
   })
 }
 
+function getUsersActivity() {
+  socket.emit("get_users_activity", (user_activity_bundle) => {
+    console.log(user_activity_bundle);
+    state.userActivity = user_activity_bundle.activity
+    state.userActivityConfig = user_activity_bundle.config
+  });
+}
+
+
 function getDiangostic() {
   state.diagnostic = {}
   socket.emit("get_diagnostic", (diagnostic) => {
@@ -203,6 +217,11 @@ socket.on("update_notification_history", (notification_history_bundle) => {
   state.notificationHistoryConfig = notification_history_bundle.config
 });
 
+socket.on("update_users_activity", (user_activity_bundle) => {
+  state.userActivity = user_activity_bundle.activity
+  state.userActivityConfig = user_activity_bundle.config
+});
+
 function addLimited(target, message, maxCount) {
   target.unshift(message)
   if (target.length > maxCount) {