diff --git a/Frontend/JS/frontend.js b/Frontend/JS/frontend.js
index 469a062..6d6c1f3 100644
--- a/Frontend/JS/frontend.js
+++ b/Frontend/JS/frontend.js
@@ -44,8 +44,8 @@ function getBackendJobName() {
 
 function getResultURL() {
     return chosenAlgorithm === "isolation_forest"
-        ? "/get-isolation-forest-result"
-        : "/get-autoencoder-result";
+        ? "get-isolation-forest-result"
+        : "get-autoencoder-result";
 }
 
 function saveActiveJob() {
@@ -173,7 +173,7 @@ function startProgressPolling() {
 
     progressInterval = setInterval(async () => {
         try {
-            const res = await fetch("/get-status");
+            const res = await fetch("get-status");
 
             if (!res.ok) {
                 throw new Error("Backend status fetch failed");
@@ -207,7 +207,7 @@ async function restoreRunningJob() {
     if (!saved) return;
 
     try {
-        const res = await fetch("/get-status");
+        const res = await fetch("get-status");
         const status = await res.json();
 
         applySavedAlgorithm(saved);
@@ -265,8 +265,8 @@ startBtn.addEventListener("click", () => {
 
     let url =
         chosenAlgorithm === "isolation_forest"
-        ? "/start-iforest"
-        : "/start-autoencoder";
+        ? "start-iforest"
+        : "start-autoencoder";
 
     const controller = new AbortController();
     const timeout = setTimeout(() => controller.abort(), 10000);
@@ -426,7 +426,7 @@ function displayResults(data) {
 }
 
 function downloadPDF(results, runtime) {
-    fetch("/download-pdf", {
+    fetch("download-pdf", {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({
@@ -446,7 +446,7 @@ function downloadPDF(results, runtime) {
 }
 
 function downloadJSON(results, runtime) {
-    fetch("/download-json", {
+    fetch("download-json", {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({
diff --git a/Frontend/JS/upload.js b/Frontend/JS/upload.js
index 74e95d3..485041e 100644
--- a/Frontend/JS/upload.js
+++ b/Frontend/JS/upload.js
@@ -100,7 +100,7 @@ function resetUploadFlow() {
 
 async function isBackendBusy() {
   try {
-    const res = await fetch("/get-status");
+    const res = await fetch("get-status");
 
     if (!res.ok) {
       showPopup("Backend status could not be checked.");
@@ -153,7 +153,7 @@ fileInput.addEventListener("change", async () => {
   let uploadResponse;
 
   try {
-    uploadResponse = await fetch("/upload-dataset", {
+    uploadResponse = await fetch("upload-dataset", {
       method: "POST",
       body: formData
     });
@@ -412,7 +412,7 @@ btnRun.addEventListener("click", async () => {
   let saveResponse;
 
   try {
-    saveResponse = await fetch("/save-config", {
+    saveResponse = await fetch("save-config", {
       method: "POST",
       headers: { "Content-Type": "application/json" },
       body: JSON.stringify(config)
diff --git a/Frontend/JS/upload_choosing_fetch.js b/Frontend/JS/upload_choosing_fetch.js
index 214f4ee..1b2166f 100644
--- a/Frontend/JS/upload_choosing_fetch.js
+++ b/Frontend/JS/upload_choosing_fetch.js
@@ -44,9 +44,9 @@ function getBackendJobName() {
 
 function getResultURL() {
     if (chosenAlgorithm === "iforest_custom") {
-        return "/get-isolation-forest-result-custom";
+        return "get-isolation-forest-result-custom";
     }
-    return "/get-autoencoder-result-custom";
+    return "get-autoencoder-result-custom";
 }
 
 function saveActiveJob() {
@@ -171,9 +171,9 @@ window.fetch = async function (...args) {
             }
         } catch (_) {}
 
-        if (url.includes("/upload-dataset")) {
+        if (url.includes("upload-dataset")) {
             showErrorPopup(message || "Cannot upload a new dataset while an algorithm is running.");
-        } else if (url.includes("/save-config")) {
+        } else if (url.includes("save-config")) {
             showErrorPopup(message || "Cannot save config while an algorithm is running.");
         }
     }
@@ -224,7 +224,7 @@ function startProgressPolling() {
 
     progressInterval = setInterval(async () => {
         try {
-            const res = await fetch("/get-status");
+            const res = await fetch("get-status");
 
             if (!res.ok) {
                 throw new Error("Backend status fetch failed");
@@ -258,7 +258,7 @@ async function restoreRunningJob() {
     if (!saved) return;
 
     try {
-        const res = await fetch("/get-status");
+        const res = await fetch("get-status");
         const status = await res.json();
 
         if (status.current_job !== saved.backendJob) {
@@ -291,7 +291,7 @@ startBtn.addEventListener("click", async () => {
     if (!chosenAlgorithm) return;
 
     try {
-        const statusRes = await fetch("/get-status");
+        const statusRes = await fetch("get-status");
         const status = await statusRes.json();
 
         if (status.running) {
@@ -309,9 +309,9 @@ startBtn.addEventListener("click", async () => {
 
     let url;
     if (chosenAlgorithm === "iforest_custom") {
-        url = "/start-iforest-custom";
+        url = "start-iforest-custom";
     } else if (chosenAlgorithm === "autoencoder_custom") {
-        url = "/start-autoencoder-custom";
+        url = "start-autoencoder-custom";
     }
 
     const controller = new AbortController();
@@ -465,7 +465,7 @@ function displayResults(data) {
 }
 
 function downloadPDF(results, runtime) {
-    fetch("/download-pdf", {
+    fetch("download-pdf", {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({
@@ -485,7 +485,7 @@ function downloadPDF(results, runtime) {
 }
 
 function downloadJSON(results, runtime) {
-    fetch("/download-json", {
+    fetch("download-json", {
         method: "POST",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({