diff --git a/README.md b/README.md
index 9ae3450..b5c1511 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ Please refer to [Wiki](https://github.com/lyc8503/UptimeFlare/wiki)
 - [x] ~~Self-host Dockerfile~~
 - [x] Incident history
 - [ ] Improve `checkLocationWorkerRoute` and fix possible `proxy failed`
-- [ ] Groups 
+- [x] Groups 
 - [x] Remove old incidents
 - [ ] Known issue: `fetch` doesn't support non-standard port
 - [ ] Update wiki and add docs for dev
diff --git a/components/MonitorList.tsx b/components/MonitorList.tsx
index e4c4682..ac33ea5 100644
--- a/components/MonitorList.tsx
+++ b/components/MonitorList.tsx
@@ -1,8 +1,85 @@
 import { MonitorState, MonitorTarget } from '@/uptime.types'
-import { Card, Center } from '@mantine/core'
+import { Accordion, Card, Center, Text } from '@mantine/core'
 import MonitorDetail from './MonitorDetail'
+import { pageConfig } from '@/uptime.config';
+
+function countDownCount(state: MonitorState, ids: string[]) {
+  let downCount = 0
+  for (let id of ids) {
+    if (state.incident[id] === undefined || state.incident[id].length === 0) {
+      continue
+    }
+
+    if (state.incident[id].slice(-1)[0].end === undefined) {
+      downCount++
+    }
+  }
+  return downCount
+}
+
+function getStatusTextColor(state: MonitorState, ids: string[]) {
+  let downCount = countDownCount(state, ids)
+  if (downCount === 0) {
+    return '#059669'
+  } else if (downCount === ids.length) {
+    return '#df484a'
+  } else {
+    return '#f29030'
+  }
+}
+
+export default function MonitorList({ monitors, state }: { monitors: MonitorTarget[]; state: MonitorState }) {
+  // @ts-ignore
+  let group: any = pageConfig.group
+  let groupedMonitor = group && Object.keys(group).length > 0
+  let content
+  
+  if (groupedMonitor) {
+    // Grouped monitors
+    content = (
+      <Accordion multiple defaultValue={Object.keys(group)} variant='contained'>
+        {
+          Object.keys(group).map(groupName => (
+            <Accordion.Item key={groupName} value={groupName}>
+              <Accordion.Control>
+                <div style={{ display: 'flex', justifyContent: 'space-between', width: '100%', alignItems: 'center' }}>
+                  <div>{groupName}</div>
+                  <Text fw={500} style={{ display: 'inline', paddingRight: '5px', color: getStatusTextColor(state, group[groupName])}}>
+                    {group[groupName].length - countDownCount(state, group[groupName])}
+                    /{group[groupName].length} Operational
+                  </Text>
+                </div>
+              </Accordion.Control>
+              <Accordion.Panel>
+                {
+                  monitors
+                  .filter(monitor => group[groupName].includes(monitor.id))
+                  .sort((a, b) => group[groupName].indexOf(a.id) - group[groupName].indexOf(b.id))
+                  .map(monitor => (
+                    <div key={monitor.id}>
+                      <Card.Section ml="xs" mr="xs">
+                        <MonitorDetail monitor={monitor} state={state} />
+                      </Card.Section>
+                    </div>
+                  ))
+                }
+                </Accordion.Panel>
+            </Accordion.Item>
+          ))
+        }
+      </Accordion>
+    )
+  } else {
+    // Ungrouped monitors
+    content = monitors.map((monitor) => (
+      <div key={monitor.id}>
+        <Card.Section ml="xs" mr="xs">
+          <MonitorDetail monitor={monitor} state={state} />
+        </Card.Section>
+      </div>
+    ))
+  }
 
-export default function MonitorList({ monitors, state }: { monitors: any; state: MonitorState }) {
   return (
     <Center>
       <Card
@@ -12,16 +89,10 @@ export default function MonitorList({ monitors, state }: { monitors: any; state:
         ml="xl"
         mr="xl"
         mt="xl"
-        withBorder
-        style={{ width: '865px' }}
+        withBorder={!groupedMonitor}
+        style={{ width: groupedMonitor ? '897px' : '865px' }}
       >
-        {monitors.map((monitor: MonitorTarget) => (
-          <div key={monitor.id}>
-            <Card.Section ml="xs" mr="xs">
-              <MonitorDetail monitor={monitor} state={state} />
-            </Card.Section>
-          </div>
-        ))}
+        {content}
       </Card>
     </Center>
   )
diff --git a/uptime.config.ts b/uptime.config.ts
index 526be49..d58b158 100644
--- a/uptime.config.ts
+++ b/uptime.config.ts
@@ -7,6 +7,13 @@ const pageConfig = {
     { link: 'https://blog.lyc8503.net/', label: 'Blog' },
     { link: 'mailto:me@lyc8503.net', label: 'Email Me', highlight: true },
   ],
+  // [OPTIONAL] Group your monitors
+  // If not specified, all monitors will be shown in a single list
+  // If specified, monitors will be grouped and ordered, not-listed monitors will be invisble (but still monitored)
+  group: {
+    "🌐 Public (example group name)": ['foo_monitor', 'bar_monitor', 'more monitor ids...'],
+    "🔐 Private": ['test_tcp_monitor'],
+  },
 }
 
 const workerConfig = {