diff --git a/public/index.html b/public/index.html
index ba89676..1a85306 100644
--- a/public/index.html
+++ b/public/index.html
@@ -31,6 +31,18 @@
           </p>
 
         <button id="consentButton">Погоджуюсь з умовами, розпочати тест</button>
+        <script>
+            document.getElementById('consentButton').addEventListener('click', function() {
+                fetch('data/questions.json')
+                    .then(response => response.json())
+                    .then(data => {
+                        const quizVersions = Object.keys(data.quizzes);
+                        const randomVersion = quizVersions[Math.floor(Math.random() * quizVersions.length)];
+                        localStorage.setItem('quizVersion', randomVersion);
+                        window.location.href = 'quiz.html';
+                    });
+            });
+        </script>
     </div>
 </body>
 </html>
\ No newline at end of file
diff --git a/public/js/app.js b/public/js/app.js
index 3b8aebb..b1e0079 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -42,7 +42,7 @@ function initResultsPage() {
 }
 
 function loadQuestions(version) {
-    fetch('../data/questions.json')
+    fetch('data/questions.json')
         .then(response => response.json())
         .then(data => {
             const questions = data.quizzes[version];
diff --git a/public/js/questionnaire.js b/public/js/questionnaire.js
index c2e9450..f32c967 100644
--- a/public/js/questionnaire.js
+++ b/public/js/questionnaire.js
@@ -1,5 +1,7 @@
 // This file handles the logic for the questionnaire, including collecting additional participant information after the quiz.
 
+const WEBHOOK_URL = "https://n8n.olehomelchenko.com/webhook/kse-research";
+
 document.addEventListener('DOMContentLoaded', function() {
     const questionnaireForm = document.getElementById('questionnaire-form');
 
@@ -39,35 +41,30 @@ document.addEventListener('DOMContentLoaded', function() {
         const quizId = 'quiz';
         if (allQuizzes[quizId]) {
             allQuizzes[quizId].participantData = participantData;
-            allQuizzes[quizId].iterationVersion = 'v1.0.0'; // Add semantic versioning
+            allQuizzes[quizId].iterationVersion = 'v1.0.1'; // Add semantic versioning
             localStorage.setItem('allQuizzes', JSON.stringify(allQuizzes));
         }
 
-        // Send data to the backend
-        fetch('/api/responses', {
+        // Combine quiz results and questionnaire data
+        const combinedData = {
+            allQuizzes: allQuizzes
+        };
+
+        // Send combined data to webhook
+        fetch(WEBHOOK_URL, {
             method: 'POST',
             headers: {
                 'Content-Type': 'application/json'
             },
             body: JSON.stringify(allQuizzes)
         })
-        .then(response => {
-            if (!response.ok) {
-                throw new Error('Network response was not ok');
-            }
-            return response.json();
-        })
-        .then(data => {
-            if (data.success) {
-                console.log('Success:', data);
-                window.location.href = 'results.html';
-            } else {
-                throw new Error(data.message || 'Failed to submit the form');
-            }
+        .then(() => {
+            alert('Анкету надіслано успішно');
+            window.location.href = 'results.html';
         })
         .catch((error) => {
-            console.error('Error:', error);
-            showError('Failed to submit the form. Please try again.');
+            console.error('Error sending data:', error);
+            alert('Сталася помилка при надсиланні анкети');
             submitButton.disabled = false;
         });
     });