diff --git a/public/workers/message_packet_worker.js b/public/workers/message_packet_worker.js
new file mode 100644
index 0000000..df900fd
--- /dev/null
+++ b/public/workers/message_packet_worker.js
@@ -0,0 +1,69 @@
+/**
+ * Web worker handling message API.
+ * When sending quickly multiple request,
+ * a single packet of message merging all request' responses is returned
+ */
+
+const DELAY_BEFORE_SEND = 200;
+const queue = [];
+let messagePacket = [];
+onmessage = async(e) => {
+  let packetLength
+
+  const url = e.data.url;
+  const state = e.data.state;
+  const request = {
+    ApplicationState: state
+  };
+  const dataParsed = JSON.stringify(request, GetCircularReplacerKeepDataStructure());
+  queue.push(request);
+  fetch(url, {
+      method: 'POST',
+      headers: new Headers({
+        // eslint-disable-next-line @typescript-eslint/naming-convention
+        'Content-Type': 'application/json'
+      }),
+      body: dataParsed
+    })
+      .then((response) =>
+        response.json()
+      )
+      .then(async(json) => {
+        messagePacket.push.apply(messagePacket, json.messages);
+        queue.pop();
+
+        // The sleep allow the message packet to be filled by
+        // others requests before being sent as a single batch
+        // Reducing the wait time will reduce latency but increase error rate
+        let doLoop = true;
+        do {
+          packetLength = messagePacket.length;
+          await sleep(DELAY_BEFORE_SEND);
+          const newPacketLength = messagePacket.length;
+          doLoop = newPacketLength !== packetLength;
+          packetLength = newPacketLength;
+        } while (doLoop);
+
+        if (queue.length <= 0 && messagePacket.length > 0) {
+          console.debug(`[GetFeedback] Packet size before sent: ${messagePacket.length}`)
+          postMessage(messagePacket)
+          messagePacket.splice(0);
+        }
+      });
+};
+
+function sleep(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+function GetCircularReplacerKeepDataStructure()
+{
+  return (key, value) => {
+    if (key === 'parent') {
+      return;
+    }
+
+    return value;
+  };
+}
+
diff --git a/public/workers/message_worker.js b/public/workers/message_worker.js
index 1996d83..f8fef7a 100644
--- a/public/workers/message_worker.js
+++ b/public/workers/message_worker.js
@@ -1,16 +1,15 @@
-const DELAY_BEFORE_SEND = 200;
-const queue = [];
-let messagePacket = [];
-onmessage = async(e) => {
-  let packetLength
+/**
+ * Web worker handling message API.
+ * Return a message of the request.
+ */
 
+onmessage = async(e) => {
   const url = e.data.url;
   const state = e.data.state;
   const request = {
     ApplicationState: state
   };
   const dataParsed = JSON.stringify(request, GetCircularReplacerKeepDataStructure());
-  queue.push(request);
   fetch(url, {
       method: 'POST',
       headers: new Headers({
@@ -23,33 +22,10 @@ onmessage = async(e) => {
         response.json()
       )
       .then(async(json) => {
-        messagePacket.push.apply(messagePacket, json.messages);
-        queue.pop();
-
-        // The sleep allow the message packet to be filled by
-        // others requests before being sent as a single batch
-        // Reducing the wait time will reduce latency but increase error rate
-        let doLoop = true;
-        do {
-          packetLength = messagePacket.length;
-          await sleep(DELAY_BEFORE_SEND);
-          const newPacketLength = messagePacket.length;
-          doLoop = newPacketLength !== packetLength;
-          packetLength = newPacketLength;
-        } while (doLoop);
-
-        if (queue.length <= 0 && messagePacket.length > 0) {
-          console.debug(`[GetFeedback] Packet size before sent: ${messagePacket.length}`)
-          postMessage(messagePacket)
-          messagePacket.splice(0);
-        }
+        postMessage(json.messages)
       });
 };
 
-function sleep(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-
 function GetCircularReplacerKeepDataStructure()
 {
   return (key, value) => {
diff --git a/src/Components/MessagesSidebar/MessagesSidebar.tsx b/src/Components/MessagesSidebar/MessagesSidebar.tsx
index c166e18..c3fc8bf 100644
--- a/src/Components/MessagesSidebar/MessagesSidebar.tsx
+++ b/src/Components/MessagesSidebar/MessagesSidebar.tsx
@@ -30,7 +30,7 @@ function UseWorker(
 
   React.useEffect(() => {
     myWorker.onmessage = (event) => {
-      setMessages(messages.concat(event.data as IMessage[]));
+      setMessages(event.data as IMessage[]);
     };
   }, [messages, setMessages]);
 }