Total Blocking Time reduction

Author: hellenicdev

index.html

@@ -16,10 +16,6 @@
 <link rel="preconnect" href="https://cdn.supportfast.ai">
 <link rel="preconnect" href="https://www.youtube.com">
 
-<!-- Google tag (gtag.js) -->
-
-<script async src="https://www.googletagmanager.com/gtag/js?id=G-9FWQFZME3Z"></script>
-
 <script type="application/ld+json">
 {
  "@context": "https://schema.org",
@@ -199,9 +195,7 @@ <h2>What’s Coming Next</h2>
   <!-- reCAPTCHA-Protected Google Form -->
 
   <h2> My Latest Upload: </h2>
-<div class="yt-placeholder" onclick="loadVideo(this)">
-  <img src="https://img.youtube.com/vi/99FexhxsXx8/hqdefault.jpg">
-</div>
+<iframe width="560" height="315" src="https://www.youtube.com/embed/99FexhxsXx8?si=EECWLqH3sD-nJGhr" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
 
   <h2>Website Building Help Form</h2>
 
@@ -1136,6 +1130,6 @@ <h2> HellenicDev Updates: </h2>
 <footer style="text-align:center; padding:20px; font-size:14px; color:gray;">
   © 2026 HellenicDev — All projects and content belong to HellenicDev.
 </footer>
-<script src="script.js"></script>
+<script src="script.js" defer></script>
 </body>
 </html>

script.js

@@ -1,8 +1,19 @@
-// Google Analytics
-window.dataLayer = window.dataLayer || [];
-function gtag(){dataLayer.push(arguments);}
-gtag('js', new Date());
-gtag('config', 'G-9FWQFZME3Z');
+setTimeout(() => {
+  // Load GA library
+  const s = document.createElement('script');
+  s.src = "https://www.googletagmanager.com/gtag/js?id=G-9FWQFZME3Z";
+  s.async = true;
+
+  // Initialize GA only after the script has loaded
+  s.onload = () => {
+    window.dataLayer = window.dataLayer || [];
+    function gtag(){dataLayer.push(arguments);}
+    gtag('js', new Date());
+    gtag('config', 'G-9FWQFZME3Z');
+  };
+
+  document.head.appendChild(s);
+}, 3000); // 3 seconds delay
 
 // UTM SOURCE DETECT
 const params = new URLSearchParams(window.location.search);