diff --git a/libloki/test/metrics.js b/libloki/test/metrics.js
index cdb934eb7..2cbe75d9c 100644
--- a/libloki/test/metrics.js
+++ b/libloki/test/metrics.js
@@ -3,9 +3,8 @@ let jobId = 0;
 let currentTrace = 0
 let plotlyDiv;
 const workers = [];
-async function run(messageLength, numWorkers = 1, nonceTrials=100) {
+async function run(messageLength, numWorkers = 1, nonceTrials = 100, ttl = 72) {
   const timestamp = Math.floor(Date.now() / 1000);
-  const ttl = 4 * 24 * 60 * 60;
   const pubKey = '05ec8635a07a13743516c7c9b3412f3e8252efb7fcaf67eb1615ffba62bebc6802';
   const message = randomString(messageLength);
   const messageBuffer = dcodeIO.ByteBuffer.wrap(message, 'utf8').toArrayBuffer();
@@ -18,7 +17,7 @@ async function run(messageLength, numWorkers = 1, nonceTrials=100) {
     jobId += 1;
     const increment = numWorkers;
     const index = w;
-    worker.postMessage([jobId, 'calcPoW', timestamp, ttl, pubKey, data, false, nonceTrials, increment, index]);
+    worker.postMessage([jobId, 'calcPoW', timestamp, ttl * 60 * 60, pubKey, data, false, nonceTrials, increment, index]);
     const p = new Promise(resolve => {
       worker.onmessage = (nonce) => {
         resolve(nonce);
@@ -34,8 +33,8 @@ async function run(messageLength, numWorkers = 1, nonceTrials=100) {
   workers.forEach(worker => worker.terminate());
 }
 
-async function runPoW({ iteration, nonceTrials, numWorkers, messageLength = 50 }) {
-  const name = `W:${numWorkers} - NT: ${nonceTrials} - L:${messageLength}`;
+async function runPoW({ iteration, nonceTrials, numWorkers, messageLength = 50, ttl = 72 }) {
+  const name = `W:${numWorkers} - NT: ${nonceTrials} - L:${messageLength} - TTL:${ttl}`;
   Plotly.addTraces(plotlyDiv ,{
     y: [],
     type: 'box',
@@ -44,7 +43,7 @@ async function runPoW({ iteration, nonceTrials, numWorkers, messageLength = 50 }
   });
   for (let i = 0; i < iteration; i += 1) {
     // eslint-disable-next-line no-await-in-loop
-    await run(messageLength, numWorkers, nonceTrials);
+    await run(messageLength, numWorkers, nonceTrials, ttl);
   }
   currentTrace += 1;
   console.log(`done for ${name}`);
@@ -53,7 +52,7 @@ async function runPoW({ iteration, nonceTrials, numWorkers, messageLength = 50 }
 
 function randomString(length) {
   let text = '';
-  const possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+  const possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
   for (let i = 0; i < length; i += 1)
     text += possible.charAt(Math.floor(Math.random() * possible.length));
   return text;
@@ -69,9 +68,10 @@ async function startMessageLengthRun() {
   const messageLengthStart0 = parseFloat(document.getElementById('messageLengthStart0').value);
   const messageLengthStop0 = parseFloat(document.getElementById('messageLengthStop0').value);
   const messageLengthStep0 = parseFloat(document.getElementById('messageLengthStep0').value);
+  const TTL0 = parseFloat(document.getElementById('TTL0').value);
   for (let l = messageLengthStart0; l < messageLengthStop0; l += messageLengthStep0) {
     // eslint-disable-next-line no-await-in-loop
-    await runPoW({ iteration: iteration0, nonceTrials: nonceTrials0, numWorkers: numWorkers0, messageLength: l });
+    await runPoW({ iteration: iteration0, nonceTrials: nonceTrials0, numWorkers: numWorkers0, messageLength: l, ttl: TTL0 });
   }
 }
 async function startNumWorkerRun() {
@@ -80,9 +80,10 @@ async function startNumWorkerRun() {
   const numWorkersStart1 = parseFloat(document.getElementById('numWorkersStart1').value);
   const numWorkersEnd1 = parseFloat(document.getElementById('numWorkersEnd1').value);
   const messageLength1 = parseFloat(document.getElementById('messageLength1').value);
+  const TTL1 = parseFloat(document.getElementById('TTL1').value);
   for (let numWorkers = numWorkersStart1; numWorkers <= numWorkersEnd1; numWorkers +=1) {
     // eslint-disable-next-line no-await-in-loop
-    await runPoW({ iteration: iteration1, nonceTrials: nonceTrials1, numWorkers, messageLength: messageLength1 });
+    await runPoW({ iteration: iteration1, nonceTrials: nonceTrials1, numWorkers, messageLength: messageLength1, ttl: TTL1 });
   }
 }
 async function startNonceTrialsRun() {
@@ -92,9 +93,23 @@ async function startNonceTrialsRun() {
   const nonceTrialsStart2 = parseFloat(document.getElementById('nonceTrialsStart2').value);
   const nonceTrialsStop2 = parseFloat(document.getElementById('nonceTrialsStop2').value);
   const nonceTrialsStep2 = parseFloat(document.getElementById('nonceTrialsStep2').value);
+  const TTL2 = parseFloat(document.getElementById('TTL2').value);
   for (let n = nonceTrialsStart2; n < nonceTrialsStop2; n += nonceTrialsStep2) {
     // eslint-disable-next-line no-await-in-loop
-    await runPoW({ iteration: iteration2, nonceTrials: n, numWorkers: numWorkers2, messageLength: messageLength2 });
+    await runPoW({ iteration: iteration2, nonceTrials: n, numWorkers: numWorkers2, messageLength: messageLength2, ttl: TTL2 });
+  }
+}
+async function starTTLRun() {
+  const iteration3 = parseFloat(document.getElementById('iteration3').value);
+  const nonceTrials3 = parseFloat(document.getElementById('nonceTrials3').value);
+  const messageLength3 = parseFloat(document.getElementById('messageLength3').value);
+  const numWorkers3 = parseFloat(document.getElementById('numWorkers3').value);
+  const TTLStart3 = parseFloat(document.getElementById('TTLStart3').value);
+  const TTLStop3 = parseFloat(document.getElementById('TTLStop3').value);
+  const TTLStep3 = parseFloat(document.getElementById('TTLStep3').value);
+  for (let ttl = TTLStart3; ttl < TTLStop3; ttl += TTLStep3) {
+    // eslint-disable-next-line no-await-in-loop
+    await runPoW({ iteration: iteration3, nonceTrials: nonceTrials3, numWorkers: numWorkers3, messageLength: messageLength3, ttl });
   }
 }
 async function start(index) {
@@ -118,6 +133,9 @@ async function start(index) {
     case 2:
       await startNonceTrialsRun();
       break;
+    case 3:
+      await starTTLRun();
+      break;
     default:
       break;
   }
diff --git a/metrics.html b/metrics.html
index 6dc9ec42c..e8f2c1c50 100644
--- a/metrics.html
+++ b/metrics.html
@@ -15,6 +15,7 @@
   <label for="iteration0">Iterations:</label><input name="iteration0" id ="iteration0" type="number" value="20"/>
   <label for="nonceTrials0">Nonce Trials:</label><input name="nonceTrials0" id ="nonceTrials0" type="number" value="100"/>
   <label for="numWorkers0">Number of workers:</label><input name="numWorkers0" id ="numWorkers0" type="number" value="1"/>
+  <label for="TTL0">TTL:</label><input name="TTL0" id ="TTL0" type="number" value="72"/>
   <label for="messageLengthStart0">Message length start:</label><input name="messageLengthStart0" id ="messageLengthStart0" type="number" value="50"/>
   <label for="messageLengthStop0">Message length stop:</label><input name="messageLengthStop0" id ="messageLengthStop0" type="number" value="1000"/>
   <label for="messageLengthStep0">Message length step:</label><input name="messageLengthStep0" id ="messageLengthStep0" type="number" value="100"/>
@@ -25,6 +26,7 @@
   <h2>Influence of workers</h2>
   <label for="iteration1">Iterations:</label><input name="iteration1" id ="iteration1" type="number" value="20"/>
   <label for="nonceTrials1">Nonce Trials:</label><input name="nonceTrials1" id ="nonceTrials1" type="number" value="100"/>
+  <label for="TTL1">TTL:</label><input name="TTL1" id ="TTL1" type="number" value="72"/>
   <label for="numWorkersStart1">Number of workers start:</label><input name="numWorkersStart1" id ="numWorkersStart1" type="number" value="1"/>
   <label for="numWorkersEnd1">Number of workers end:</label><input name="numWorkersEnd1" id ="numWorkersEnd1" type="number" value="4"/>
   <label for="messageLength1">Message length stop:</label><input name="messageLength1" id ="messageLength1" type="number" value="100"/>
@@ -36,6 +38,7 @@
   <label for="iteration2">Iterations:</label><input name="iteration2" id ="iteration2" type="number" value="20"/>
   <label for="messageLength2">Message length:</label><input name="messageLength2" id ="messageLength2" type="number" value="100"/>
   <label for="numWorkers2">Number of workers:</label><input name="numWorkers2" id ="numWorkers2" type="number" value="1"/>
+  <label for="TTL2">TTL:</label><input name="TTL2" id ="TTL2" type="number" value="72"/>
   <label for="nonceTrialsStart2">Nonce Trials start:</label><input name="nonceTrialsStart2" id ="nonceTrialsStart2" type="number" value="10"/>
   <label for="nonceTrialsStop2">Nonce Trials stop:</label><input name="nonceTrialsStop2" id ="nonceTrialsStop2" type="number" value="100"/>
   <label for="nonceTrialsStep2">Nonce Trials step:</label><input name="nonceTrialsStep2" id ="nonceTrialsStep2" type="number" value="10"/>
@@ -43,6 +46,18 @@
   <button onclick="start(2)">Run</button>
   <div id="plotly2"></div>
 
+  <h2>Influence of TTL</h2>
+  <label for="iteration3">Iterations:</label><input name="iteration3" id ="iteration3" type="number" value="20"/>
+  <label for="nonceTrials3">Nonce Trials:</label><input name="nonceTrials3" id ="nonceTrials3" type="number" value="100"/>
+  <label for="messageLength3">Message length:</label><input name="messageLength3" id ="messageLength3" type="number" value="100"/>
+  <label for="numWorkers3">Number of workers:</label><input name="numWorkers3" id ="numWorkers3" type="number" value="1"/>
+  <label for="TTLStart3">TTL start:</label><input name="TTLStart3" id ="TTLStart3" type="number" value="12"/>
+  <label for="TTLStop3">TTL stop:</label><input name="TTLStop3" id ="TTLStop3" type="number" value="96"/>
+  <label for="TTLStep3">TTL step:</label><input name="TTLStep3" id ="TTLStep3" type="number" value="12"/>
+  <br>
+  <button onclick="start(3)">Run</button>
+  <div id="plotly3"></div>
+
   <script type="text/javascript" src="libloki/test/components.js"></script>
   <script type="text/javascript" src="libloki/proof-of-work.js"></script>