Update performance

.github/CODEOWNERS

@@ -0,0 +1,2 @@
+# Remove Expect-CT header
+/.well-known/* -expect-ct

index.html

@@ -5,10 +5,10 @@
   <meta charset="UTF-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Convert Code to PDF: Free Online Tool</title>
+  <title>Convert Code to PDF Online: Free Tool for Programming Languages</title>
 
   <meta name="description"
-    content="Convert code to PDF online for free. Supports multiple programming languages and syntax highlighting themes.">
+    content="Convert code to PDF online for free with our tool that supports multiple programming languages and syntax highlighting themes. Get started now!">
   <meta name="keywords"
     content="code to pdf, convert code to pdf, code converter, programming language converter, syntax highlighting, online converter">
   <meta name="author" content="Tarik Jaber">
@@ -25,7 +25,7 @@
 
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Fira+Code&family=Roboto&display=swap" rel="stylesheet">
+  <link defer href="https://fonts.googleapis.com/css2?family=Fira+Code&family=Roboto&display=swap" rel="stylesheet">
 
   <link rel="stylesheet" id="theme-style"
     href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.1/styles/github-dark.min.css">
@@ -39,7 +39,7 @@
     <h1>
       Code to PDF
       <a href="https://github.com/tarikjaber/Code-to-PDF" target="_blank">
-        <img src="images/github-mark-white.png" alt="GitHub" class="github-icon">
+        <img src="images/github-mark-white.png" alt="GitHub Contribution Icon" class="github-icon">
       </a>
     </h1>
     <div class="options">

index.js

@@ -12,6 +12,12 @@ let selectedTheme = localStorage.getItem('theme') || 'github-dark';
 let codeText = localStorage.getItem('code') || 'console.log("Hello World")';
 
 // Set up the initial state
+document.addEventListener('securitypolicyviolation', function (event) {
+    if (event.violatedDirective === 'expect-ct') {
+        event.preventDefault();
+    }
+});
+
 themeStylesheet.setAttribute('href', getStylesheet(selectedTheme));
 themeSelector.value = selectedTheme;
 code.classList.add('hljs', `language-${selectedLanguage}`);

styles.css

@@ -38,7 +38,7 @@ input {
 
 button {
   border-width: 0;
-  background-color: dodgerblue;
+  background-color: #006ed9;
   color: white;
   padding: 6px;
   min-width: 120px;