diff --git a/server/index.html b/server/index.html
index 3863143..3a23585 100644
--- a/server/index.html
+++ b/server/index.html
@@ -94,7 +94,7 @@
             if (!topicEntry) {
                 topicEntry = document.createElement('li');
                 topicEntry.id = `topic-${topic}`;
-                topicEntry.innerHTML = `${topic} <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
+                topicEntry.innerHTML = `${topic} <button onclick="test('${topic}')">Test</button> <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
                 topicsList.appendChild(topicEntry);
             }
             topicsHeader.style.display = '';
@@ -102,12 +102,12 @@
             // Open event source
             let eventSource = new EventSource(`${topic}/sse`);
             eventSource.onopen = () => {
-                topicEntry.innerHTML = `${topic} <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
+                topicEntry.innerHTML = `${topic} <button onclick="test('${topic}')">Test</button> <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
                 delaySec = 0; // Reset on successful connection
             };
             eventSource.onerror = (e) => {
-                const newDelaySec = (delaySec + 5 <= 30) ? delaySec + 5 : 30;
-                topicEntry.innerHTML = `${topic} <i>(Reconnecting in ${newDelaySec}s ...)</i> <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
+                const newDelaySec = (delaySec + 5 <= 15) ? delaySec + 5 : 15;
+                topicEntry.innerHTML = `${topic} <i>(Reconnecting in ${newDelaySec}s ...)</i> <button disabled="disabled">Test</button> <button onclick="unsubscribe('${topic}')">Unsubscribe</button>`;
                 eventSource.close()
                 subscribeInternal(topic, newDelaySec);
             };
@@ -130,6 +130,13 @@
         }
     };
 
+    const test = (topic) => {
+        fetch(`/${topic}`, {
+            method: 'PUT',
+            body: `This is a test notification for topic ${topic}!`
+        })
+    };
+
     const showError = (msg) => {
         errorField.innerHTML = msg;
         topicField.disabled = true;