diff --git a/src/app/(main)/websites/[id]/realtime/Realtime.tsx b/src/app/(main)/websites/[id]/realtime/Realtime.tsx
index e77af289..34e29281 100644
--- a/src/app/(main)/websites/[id]/realtime/Realtime.tsx
+++ b/src/app/(main)/websites/[id]/realtime/Realtime.tsx
@@ -19,9 +19,9 @@ import { RealtimeData } from 'lib/types';
 import styles from './Realtime.module.css';
 
 function mergeData(state = [], data = [], time: number) {
-  const ids = state.map(({ __id }) => __id);
+  const ids = state.map(({ id }) => id);
   return state
-    .concat(data.filter(({ __id }) => !ids.includes(__id)))
+    .concat(data.filter(({ id }) => !ids.includes(id)))
     .filter(({ timestamp }) => timestamp >= time);
 }
 
@@ -38,21 +38,18 @@ export function Realtime({ websiteId }) {
 
   useEffect(() => {
     if (data) {
-      if (!currentData) {
-        setCurrentData(data);
-      } else {
-        const date = subMinutes(startOfMinute(new Date()), REALTIME_RANGE);
-        const time = date.getTime();
+      const date = subMinutes(startOfMinute(new Date()), REALTIME_RANGE);
+      const time = date.getTime();
+      const { pageviews, sessions, events, timestamp } = data;
 
-        setCurrentData(state => ({
-          pageviews: mergeData(state?.pageviews, data.pageviews, time),
-          sessions: mergeData(state?.sessions, data.sessions, time),
-          events: mergeData(state?.events, data.events, time),
-          timestamp: data.timestamp,
-        }));
-      }
+      setCurrentData(state => ({
+        pageviews: mergeData(state?.pageviews, pageviews, time),
+        sessions: mergeData(state?.sessions, sessions, time),
+        events: mergeData(state?.events, events, time),
+        timestamp,
+      }));
     }
-  }, [data]);
+  }, [data, currentData]);
 
   const realtimeData: RealtimeData = useMemo(() => {
     if (!currentData) {
diff --git a/src/pages/api/realtime/[id].ts b/src/pages/api/realtime/[id].ts
index 212d4a0f..0edd589d 100644
--- a/src/pages/api/realtime/[id].ts
+++ b/src/pages/api/realtime/[id].ts
@@ -1,4 +1,4 @@
-import { subMinutes } from 'date-fns';
+import { startOfMinute, subMinutes } from 'date-fns';
 import { canViewWebsite } from 'lib/auth';
 import { useAuth, useValidate } from 'lib/middleware';
 import { NextApiRequestQueryBody, RealtimeInit } from 'lib/types';
@@ -6,6 +6,8 @@ import { NextApiResponse } from 'next';
 import { methodNotAllowed, ok, unauthorized } from 'next-basics';
 import { getRealtimeData } from 'queries';
 import * as yup from 'yup';
+import { REALTIME_RANGE } from 'lib/constants';
+
 export interface RealtimeRequestQuery {
   id: string;
   startAt: number;
@@ -32,7 +34,7 @@ export default async (
       return unauthorized(res);
     }
 
-    let startTime = subMinutes(new Date(), 30);
+    let startTime = subMinutes(startOfMinute(new Date()), REALTIME_RANGE);
 
     if (+startAt > startTime.getTime()) {
       startTime = new Date(+startAt);
diff --git a/src/queries/analytics/events/getEvents.ts b/src/queries/analytics/events/getEvents.ts
index fe074ec2..9ef27973 100644
--- a/src/queries/analytics/events/getEvents.ts
+++ b/src/queries/analytics/events/getEvents.ts
@@ -18,6 +18,9 @@ function relationalQuery(websiteId: string, startDate: Date, eventType: number)
         gte: startDate,
       },
     },
+    orderBy: {
+      createdAt: 'asc',
+    },
   });
 }
 
@@ -39,6 +42,7 @@ function clickhouseQuery(websiteId: string, startDate: Date, eventType: number)
     where website_id = {websiteId:UUID}
       and created_at >= {startDate:DateTime64}
       and event_type = {eventType:UInt32}
+    order by created_at asc
     `,
     {
       websiteId,
diff --git a/src/queries/analytics/getRealtimeData.ts b/src/queries/analytics/getRealtimeData.ts
index 337e7475..868a5c70 100644
--- a/src/queries/analytics/getRealtimeData.ts
+++ b/src/queries/analytics/getRealtimeData.ts
@@ -1,4 +1,3 @@
-import { md5 } from 'next-basics';
 import { getSessions, getEvents } from 'queries/index';
 import { EVENT_TYPE } from 'lib/constants';
 
@@ -9,18 +8,35 @@ export async function getRealtimeData(websiteId: string, startDate: Date) {
     getEvents(websiteId, startDate, EVENT_TYPE.customEvent),
   ]);
 
-  const decorate = (id: string, data: any[]) => {
-    return data.map((props: { [key: string]: any }) => ({
-      ...props,
-      __id: md5(id, ...Object.values(props)),
-      __type: id,
-      timestamp: props.timestamp ? props.timestamp * 1000 : new Date(props.createdAt).getTime(),
+  const decorate = (type: string, data: any[]) => {
+    return data.map((values: { [key: string]: any }) => ({
+      ...values,
+      __type: type,
+      timestamp: values.timestamp ? values.timestamp * 1000 : new Date(values.createdAt).getTime(),
     }));
   };
 
+  const set = new Set();
+  const uniques = (type: string, data: any[]) => {
+    return data.reduce((arr, values: { [key: string]: any }) => {
+      if (!set.has(values.id)) {
+        set.add(values.id);
+
+        return arr.concat({
+          ...values,
+          __type: type,
+          timestamp: values.timestamp
+            ? values.timestamp * 1000
+            : new Date(values.createdAt).getTime(),
+        });
+      }
+      return arr;
+    }, []);
+  };
+
   return {
     pageviews: decorate('pageview', pageviews),
-    sessions: decorate('session', sessions),
+    sessions: uniques('session', sessions),
     events: decorate('event', events),
     timestamp: Date.now(),
   };
diff --git a/src/queries/analytics/sessions/getSessions.ts b/src/queries/analytics/sessions/getSessions.ts
index d67edd5e..b92e3af9 100644
--- a/src/queries/analytics/sessions/getSessions.ts
+++ b/src/queries/analytics/sessions/getSessions.ts
@@ -17,6 +17,9 @@ async function relationalQuery(websiteId: string, startDate: Date) {
         gte: startDate,
       },
     },
+    orderBy: {
+      createdAt: 'asc',
+    },
   });
 }
 
@@ -25,7 +28,7 @@ async function clickhouseQuery(websiteId: string, startDate: Date) {
 
   return rawQuery(
     `
-    select distinct
+    select
       session_id as id,
       website_id as websiteId,
       created_at as createdAt,
@@ -43,6 +46,7 @@ async function clickhouseQuery(websiteId: string, startDate: Date) {
     from website_event
     where website_id = {websiteId:UUID}
     and created_at >= {startDate:DateTime64}
+    order by created_at asc
     `,
     {
       websiteId,