diff --git a/static/js/launch_progress.js b/static/js/launch_progress.js
index c2536a6..49ea4c8 100644
--- a/static/js/launch_progress.js
+++ b/static/js/launch_progress.js
@@ -111,6 +111,18 @@ function initializeSteps() {
         </div>
     `;
     stepsContainer.appendChild(saveDataStep);
+
+    // Add Health Check step
+    const healthStep = document.createElement('div');
+    healthStep.className = 'step-item';
+    healthStep.innerHTML = `
+        <div class="step-icon"><i class="fas fa-heartbeat"></i></div>
+        <div class="step-content">
+            <h5>Health Check</h5>
+            <p class="step-status">Verifying instance health...</p>
+        </div>
+    `;
+    stepsContainer.appendChild(healthStep);
 }
 
 async function startLaunch(data) {
@@ -368,9 +380,39 @@ async function startLaunch(data) {
         `;
         saveDataStep.querySelector('.step-content').appendChild(instanceDetails);
 
+        // After saving instance data, add the health check step
+        await updateStep(9, 'Health Check', 'Verifying instance health...');
+        const healthResult = await checkInstanceHealth(`https://${data.webAddresses[0]}`);
+
+        if (!healthResult.success) {
+            throw new Error(`Health check failed: ${healthResult.error}`);
+        }
+
+        // Add a retry button if health check fails
+        const healthStep = document.querySelectorAll('.step-item')[8];
+        if (!healthResult.success) {
+            const retryButton = document.createElement('button');
+            retryButton.className = 'btn btn-sm btn-warning mt-2';
+            retryButton.innerHTML = '<i class="fas fa-sync-alt me-1"></i> Retry Health Check';
+            retryButton.onclick = async () => {
+                retryButton.disabled = true;
+                retryButton.innerHTML = '<i class="fas fa-spinner fa-spin me-1"></i> Checking...';
+                const retryResult = await checkInstanceHealth(`https://${data.webAddresses[0]}`);
+                if (retryResult.success) {
+                    healthStep.classList.remove('failed');
+                    healthStep.classList.add('completed');
+                    retryButton.remove();
+                } else {
+                    retryButton.disabled = false;
+                    retryButton.innerHTML = '<i class="fas fa-sync-alt me-1"></i> Retry Health Check';
+                }
+            };
+            healthStep.querySelector('.step-content').appendChild(retryButton);
+        }
+
     } catch (error) {
         console.error('Launch failed:', error);
-        await updateStep(8, 'Saving Instance Data', `Error: ${error.message}`);
+        await updateStep(9, 'Health Check', `Error: ${error.message}`);
         showError(error.message);
     }
 }
@@ -976,11 +1018,12 @@ function updateStep(stepNumber, title, description) {
         document.getElementById('currentStep').textContent = title;
         document.getElementById('stepDescription').textContent = description;
 
-        // Update progress bar
-        const progress = (stepNumber - 1) * 20;
+        // Calculate progress based on total number of steps (9 steps total)
+        const totalSteps = 9;
+        const progress = ((stepNumber - 1) / (totalSteps - 1)) * 100;
         const progressBar = document.getElementById('launchProgress');
         progressBar.style.width = `${progress}%`;
-        progressBar.textContent = `${progress}%`;
+        progressBar.textContent = `${Math.round(progress)}%`;
 
         // Update step items
         const steps = document.querySelectorAll('.step-item');
@@ -1184,4 +1227,79 @@ async function saveInstanceData(instanceData) {
         console.error('Error saving instance data:', error);
         throw error;
     }
+}
+
+async function checkInstanceHealth(instanceUrl) {
+    const maxRetries = 5;
+    let currentAttempt = 1;
+
+    while (currentAttempt <= maxRetries) {
+        try {
+            // First get the instance ID from the database
+            const response = await fetch('/instances');
+            const text = await response.text();
+            const parser = new DOMParser();
+            const doc = parser.parseFromString(text, 'text/html');
+            
+            // Find the instance row that matches our URL
+            const instanceRow = Array.from(doc.querySelectorAll('table tbody tr')).find(row => {
+                const urlCell = row.querySelector('td:nth-child(7) a'); // URL is in the 7th column
+                return urlCell && urlCell.textContent.trim() === instanceUrl;
+            });
+
+            if (!instanceRow) {
+                throw new Error('Instance not found in database');
+            }
+
+            // Get the instance ID from the status badge's data attribute
+            const statusBadge = instanceRow.querySelector('[data-instance-id]');
+            if (!statusBadge) {
+                throw new Error('Could not find instance ID');
+            }
+
+            const instanceId = statusBadge.dataset.instanceId;
+            
+            // Now use the instance ID to check status
+            const statusResponse = await fetch(`/instances/${instanceId}/status`);
+            if (!statusResponse.ok) {
+                throw new Error(`Health check failed with status ${statusResponse.status}`);
+            }
+
+            const data = await statusResponse.json();
+            
+            // Update the health check step
+            const healthStep = document.querySelectorAll('.step-item')[8]; // Adjust index based on your steps
+            healthStep.classList.remove('active');
+            healthStep.classList.add('completed');
+            const statusText = healthStep.querySelector('.step-status');
+            
+            if (data.status === 'active') {
+                statusText.textContent = `Instance is healthy (Attempt ${currentAttempt}/${maxRetries})`;
+                return {
+                    success: true,
+                    data: data
+                };
+            } else {
+                throw new Error('Instance is not healthy');
+            }
+        } catch (error) {
+            console.error(`Health check attempt ${currentAttempt} failed:`, error);
+            
+            // Update status to show current attempt
+            const healthStep = document.querySelectorAll('.step-item')[8];
+            const statusText = healthStep.querySelector('.step-status');
+            statusText.textContent = `Health check failed (Attempt ${currentAttempt}/${maxRetries}): ${error.message}`;
+            
+            if (currentAttempt === maxRetries) {
+                return {
+                    success: false,
+                    error: `Health check failed after ${maxRetries} attempts: ${error.message}`
+                };
+            }
+            
+            // Wait 5 seconds before next attempt
+            await new Promise(resolve => setTimeout(resolve, 5000));
+            currentAttempt++;
+        }
+    }
 } 
\ No newline at end of file