diff --git a/src/routes/dashboard/device.tsx b/src/routes/dashboard/device.tsx
index 8e4f4a1..187a358 100644
--- a/src/routes/dashboard/device.tsx
+++ b/src/routes/dashboard/device.tsx
@@ -4,34 +4,46 @@ import { ErrorPlaceholder } from "../../components/ErrorPlaceholder/ErrorPlaceho
 import { useEffect } from "react";
 
 const Device = () => {
-  useEffect(() => {
-    const request = new XMLHttpRequest();
-    request.onreadystatechange = function () {
-      if (request.readyState === XMLHttpRequest.DONE) {
-        //
-        // The following headers may often be similar
-        // to those of the original page request...
-        //
-        console.info(request.getAllResponseHeaders());
-      }
-    };
-
-    //
-    // Re-request the same page (document.location)
-    // We hope to get the same or similar response headers to those which
-    // came with the current page, but we have no guarantee.
-    // Since we are only after the headers, a HEAD request may be sufficient.
-    //
-    request.open("HEAD", document.location, true);
-    request.send(null);
-  }, []);
-
   return (
     <ErrorBoundary
       fallback={({ error }) => (
         <ErrorPlaceholder error={error} subtitle="Cannot retrieve the data." />
       )}>
-      couc
+      <p> Platform : {navigator.platform}</p>
+      <br></br>
+      <p> Downlink : {(navigator as any).connection.downlink}</p>
+      <small>
+        The downlink attribute represents the effective bandwidth estimate in
+        megabits per second, rounded to nearest multiple of 25 kilobits per
+        second, and is based on recently observed application layer throughput
+        across recently active connections, excluding connections made to
+        private address space [RFC1918]. In absence of recent bandwidth
+        measurement data, the attribute value is determined by the properties of
+        the underlying connection technology. MDN
+      </small>
+      <br></br>
+      <p> EffectiveType : {(navigator as any).connection.effectiveType}</p>
+      <small>
+        The effectiveType attribute, when getting, returns the effective
+        connection type that is determined using a combination of recently
+        observed rtt and downlink values.
+      </small>
+      <br></br>
+
+      <p> Rtt : {(navigator as any).connection.rtt}</p>
+      <small>
+        The rtt attribute represents the effective round-trip time estimate in
+        milliseconds, rounded to nearest multiple of 25 milliseconds, and is
+        based on recently observed application-layer RTT measurements across
+        recently active connections, excluding connections made to private
+        address space [RFC1918]. In absence of recent RTT measurement data, the
+        attribute value is determined by the properties of the underlying
+        connection technology.
+      </small>
+      <br></br>
+
+      <p> SaveData : {(navigator as any).connection.saveData.toString()}</p>
+      <small></small>
     </ErrorBoundary>
   );
 };