diff --git a/public/home.js b/public/home.js
index 762e0eb..c47bdbd 100644
--- a/public/home.js
+++ b/public/home.js
@@ -1,5 +1,6 @@
 import {get_activities} from "./scripts/activity.js";
 import {get_user_by_id} from "./scripts/user.js";
+import {ping} from "./scripts/requests.js"
 
 /// @source: https://stackoverflow.com/a/31810991/11186407
 Date.prototype.getWeek = function() {
@@ -277,6 +278,13 @@ async function update_frontend() {
 }
 
 async function main() {
+    try {
+        await ping();
+    } catch (error) {
+        alert("You are not signed in. Sign in first.");
+        window.location = "/auth/sign_in.html"
+    }
+
     await update_frontend();
 
     document.querySelector("#button-load_previous_week").onclick = async () => {
diff --git a/public/index.html b/public/index.html
index 8675461..75bfd94 100644
--- a/public/index.html
+++ b/public/index.html
@@ -14,13 +14,13 @@ <h1>Sport Challenge</h1>
 
 <article>
     <h2>Create a new Account or LogIn</h2>
-    <button onclick="location.href = '/auth/sign_up.html';">Sign Up</button>
-    <button onclick="location.href = '/auth/sign_in.html';">Sign In</button>
+    <button id="button-sign_up" onclick="location.href = '/auth/sign_up.html';">Sign Up</button>
+    <button id="button-sign_in" onclick="location.href = '/auth/sign_in.html';">Sign In</button>
 </article>
 
-<article>
-    <h2>Already loogged in?</h2>
-    <p>When you are logged in, go to home to see your data.</p>
+<article id="already_signd_in" style="display: none">
+    <h2>You are already loogged in!</h2>
+    <p>You can just open your home. No need to SignUp or SignIn.</p>
     <button onclick="window.location = '/home.html'">Go to Home</button>
 </article>
 
@@ -39,6 +39,8 @@ <h2>Comare</h2>
     <h2>Keep track</h2>
     <p>Keep a log of your activities.</p>
 </article>
+
+<script src="index.js" type="module"></script>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/public/index.js b/public/index.js
new file mode 100644
index 0000000..ff359e4
--- /dev/null
+++ b/public/index.js
@@ -0,0 +1,18 @@
+import {ping} from "./scripts/requests.js"
+
+async function main() {
+    try {
+        await ping();
+    } catch (error) {
+        return;
+    }
+    
+    // disable buttons
+    document.querySelector("#button-sign_up").disabled = true;
+    document.querySelector("#button-sign_in").disabled = true;
+    
+    document.querySelector("#already_signd_in").style.display = "block";
+    
+}
+
+await main();
diff --git a/public/scripts/requests.js b/public/scripts/requests.js
index 08e0c53..b71f13d 100644
--- a/public/scripts/requests.js
+++ b/public/scripts/requests.js
@@ -1,8 +1,14 @@
-export async function do_request(request) {
+import {BASE_URL} from "./variables.js";
+
+export async function do_request(request, body_expected = true) {
     return await fetch(request)
         .then((response) => {
             if (response.status === 200) {
-                return response.json();
+                if (!body_expected) {
+                    return response;
+                } else {
+                    return response.json();
+                }
             } else {
                 throw new Error("Something went wrong on API server!");
             }
@@ -15,3 +21,12 @@ export async function do_request(request) {
             throw error;
         });
 }
+
+
+export async function ping() {
+    const request = new Request(`${BASE_URL}/ping`, {
+        method: "GET",
+    });
+
+    return await do_request(request, false);
+}
diff --git a/src/logic.rs b/src/logic.rs
index 6f4452e..38ce2b7 100644
--- a/src/logic.rs
+++ b/src/logic.rs
@@ -11,6 +11,10 @@ use chrono::{DateTime, Utc};
 
 type AuthContext = axum_login::extractors::AuthContext<i64, User, SqliteStore<User>>;
 
+pub async fn ping() -> impl IntoResponse {
+    (StatusCode::OK).into_response()
+}
+
 pub async fn sign_up(Json(payload): Json<BareUser>) -> impl IntoResponse {
     // if username already exists, return with error
     if storage::user_exists(&payload.name).await {
diff --git a/src/services.rs b/src/services.rs
index 63fcb00..1369541 100644
--- a/src/services.rs
+++ b/src/services.rs
@@ -49,6 +49,8 @@ pub async fn backend_router() -> Router {
         .route("/v1/activities", post(new_activity))
         .route("/v1/activities/edit", post(edit_activity))
         .route("/v1/activities/:id", delete(delete_activity))
+        // for checking if you are logged in
+        .route("/v1/ping", get(ping))
         // routes above are protected
         .route_layer(RequireAuthorizationLayer::<i64, User>::login())
         // authentication routes