diff --git a/.gitignore b/.gitignore
index 2161275..9ba8a14 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,5 +46,7 @@ public/*
 !public/apple-touch-icon.png
 !public/ads/
 !ads.txt
+!public/robots.txt
+!public/sitemap.xml
 # Local-only backups of source mockups — don't track in git
 public/ads/_originals/
diff --git a/public/privacy.html b/public/privacy.html
index 36388a9..73e359e 100644
--- a/public/privacy.html
+++ b/public/privacy.html
@@ -4,7 +4,13 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width,initial-scale=1">
     <title>Privacy Policy - Python Dict to JSON Converter</title>
-    <meta name="description" content="Privacy policy for dict2json.com, the Python dictionary to JSON converter.">
+    <meta name="description" content="Privacy policy for dict2json.com. Learn what information we collect, how analytics work, our cookie use, and your rights as a visitor.">
+    <meta name="robots" content="index,follow">
+    <link rel="canonical" href="https://dict2json.com/privacy">
+    <meta property="og:type" content="article">
+    <meta property="og:title" content="Privacy Policy - dict2json">
+    <meta property="og:description" content="How dict2json.com handles visitor information, analytics, and cookies.">
+    <meta property="og:url" content="https://dict2json.com/privacy">
     <link rel="icon" type="image/svg+xml" href="/favicon.svg">
     <style>
         :root {
diff --git a/public/robots.txt b/public/robots.txt
new file mode 100644
index 0000000..ac8f89a
--- /dev/null
+++ b/public/robots.txt
@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://dict2json.com/sitemap.xml
diff --git a/public/sitemap.xml b/public/sitemap.xml
new file mode 100644
index 0000000..12a72d0
--- /dev/null
+++ b/public/sitemap.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://dict2json.com/</loc>
+    <changefreq>monthly</changefreq>
+    <priority>1.0</priority>
+  </url>
+  <url>
+    <loc>https://dict2json.com/privacy</loc>
+    <changefreq>yearly</changefreq>
+    <priority>0.3</priority>
+  </url>
+</urlset>
diff --git a/src/App.js b/src/App.js
index 2abede7..7c5188f 100644
--- a/src/App.js
+++ b/src/App.js
@@ -64,8 +64,6 @@ function App() {
 
   return (
     <div className={`app ${isFullScreen ? 'full-screen' : ''}`}>
-      <h1>Python Dict to JSON Converter</h1>
-      <p className="subheading">Paste your Python dictionary to convert it to valid JSON format instantly</p>
       <Toast show={showToast} />
       <TshirtAds />
 
diff --git a/src/index.html b/src/index.html
index d591e6d..ea7a78d 100644
--- a/src/index.html
+++ b/src/index.html
@@ -3,19 +3,115 @@
   <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width,initial-scale=1">
-    <title>Python Dict to JSON Converter Online</title>
-    <meta name="description" content="Convert Python dictionaries to JSON format online. Paste your Python dict and get the equivalent JSON output instantly.">
+    <title>Python Dict to JSON Converter Online | dict2json</title>
+    <meta name="description" content="Free online converter for Python dictionaries to JSON. Paste a Python dict and instantly get valid JSON — handles True/False, None, single quotes, and nested structures in your browser.">
+    <link rel="canonical" href="https://dict2json.com/">
+    <meta name="theme-color" content="#2d3748">
+
+    <meta property="og:type" content="website">
+    <meta property="og:site_name" content="dict2json">
+    <meta property="og:title" content="Python Dict to JSON Converter Online">
+    <meta property="og:description" content="Paste a Python dictionary, get valid JSON instantly. Handles True/False, None, and single quotes. Runs entirely in your browser.">
+    <meta property="og:url" content="https://dict2json.com/">
+    <meta property="og:image" content="https://dict2json.com/ads/horizontal.jpg">
+    <meta property="og:locale" content="en_US">
+
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:title" content="Python Dict to JSON Converter Online">
+    <meta name="twitter:description" content="Paste a Python dictionary, get valid JSON instantly. Runs entirely in your browser.">
+    <meta name="twitter:image" content="https://dict2json.com/ads/horizontal.jpg">
+
+    <link rel="preconnect" href="https://www.googletagmanager.com">
     <link rel="icon" type="image/svg+xml" href="/favicon.svg">
     <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
     <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
     <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
     <link rel="shortcut icon" href="/favicon.ico">
+
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@graph": [
+        {
+          "@type": "WebApplication",
+          "@id": "https://dict2json.com/#app",
+          "name": "Python Dict to JSON Converter",
+          "url": "https://dict2json.com/",
+          "description": "Online tool that converts Python dictionaries to JSON format. Translates True/False to true/false, None to null, and single quotes to double quotes.",
+          "applicationCategory": "DeveloperApplication",
+          "operatingSystem": "Any",
+          "browserRequirements": "Requires JavaScript",
+          "offers": {
+            "@type": "Offer",
+            "price": "0",
+            "priceCurrency": "USD"
+          },
+          "featureList": [
+            "Convert Python dict to JSON",
+            "Handles nested dictionaries",
+            "Converts True/False/None to JSON equivalents",
+            "Converts single quotes to double quotes",
+            "Runs entirely in the browser — data never leaves your device"
+          ]
+        },
+        {
+          "@type": "FAQPage",
+          "@id": "https://dict2json.com/#faq",
+          "mainEntity": [
+            {
+              "@type": "Question",
+              "name": "What is a Python dictionary?",
+              "acceptedAnswer": {
+                "@type": "Answer",
+                "text": "A Python dictionary is a built-in data structure that stores key-value pairs. Keys must be unique and immutable; values can be any type, including other dictionaries. Dictionaries are mutable and preserve insertion order in Python 3.7+."
+              }
+            },
+            {
+              "@type": "Question",
+              "name": "What is JSON?",
+              "acceptedAnswer": {
+                "@type": "Answer",
+                "text": "JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format. It is language-independent, supports strings, numbers, booleans, null, arrays, and objects, and uses double quotes for strings and property names."
+              }
+            },
+            {
+              "@type": "Question",
+              "name": "How is Python dict syntax different from JSON?",
+              "acceptedAnswer": {
+                "@type": "Answer",
+                "text": "Python uses True, False, and None where JSON uses true, false, and null. Python allows single or double quotes; JSON requires double quotes only. JSON does not support comments or trailing commas."
+              }
+            },
+            {
+              "@type": "Question",
+              "name": "Is my data sent to a server?",
+              "acceptedAnswer": {
+                "@type": "Answer",
+                "text": "No. All conversion happens in your browser. The Python dictionary you paste never leaves your device."
+              }
+            },
+            {
+              "@type": "Question",
+              "name": "Does the converter support nested dictionaries?",
+              "acceptedAnswer": {
+                "@type": "Answer",
+                "text": "Yes. Nested dictionaries, lists, and mixed structures are converted recursively to valid JSON."
+              }
+            }
+          ]
+        }
+      ]
+    }
+    </script>
   </head>
   <body>
+    <h1>Python Dict to JSON Converter</h1>
+    <p class="subheading">Paste your Python dictionary to convert it to valid JSON format instantly</p>
+
     <div id="root"></div>
 
     <main class="content-section">
-      <section class="recommended-reading">
+      <section class="recommended-reading" id="recommended-reading">
         <h2>Recommended Reading</h2>
         <p class="affiliate-note">The links below are Amazon affiliate links. If you purchase through them, we may earn a small commission at no extra cost to you.</p>
         <ul>
@@ -25,9 +121,9 @@ <h2>Recommended Reading</h2>
         </ul>
       </section>
 
-      <h2>About Python Dictionaries and JSON</h2>
+      <h2 id="about">About Python Dictionaries and JSON</h2>
 
-      <section>
+      <section id="what-is-a-python-dictionary">
         <h3>What is a Python Dictionary?</h3>
         <p>A Python dictionary is a built-in data structure that stores key-value pairs. It's one of Python's most useful and widely-used data types, allowing you to create mappings between related pieces of information. Dictionaries are defined using curly braces <code>{}</code> with key-value pairs separated by commas.</p>
         <h4>Key Features of Python Dictionaries:</h4>
@@ -40,7 +136,7 @@ <h4>Key Features of Python Dictionaries:</h4>
         <p>Learn more about Python dictionaries in the <a href="https://docs.python.org/3/tutorial/datastructures.html#dictionaries" target="_blank" rel="noopener">official Python documentation</a>.</p>
       </section>
 
-      <section>
+      <section id="what-is-json">
         <h3>What is JSON?</h3>
         <p>JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format that's easy for humans to read and write and easy for machines to parse and generate. It's language-independent and has become one of the most popular data formats for web APIs and configuration files.</p>
         <h4>Key Features of JSON:</h4>
@@ -53,7 +149,7 @@ <h4>Key Features of JSON:</h4>
         <p>Learn more about JSON at <a href="https://www.json.org/" target="_blank" rel="noopener">json.org</a>.</p>
       </section>
 
-      <section>
+      <section id="dict-vs-json">
         <h3>Converting Between Python Dictionaries and JSON</h3>
         <p>While Python dictionaries and JSON objects are similar, there are some key differences in syntax and data types:</p>
         <table>
@@ -69,7 +165,7 @@ <h3>Converting Between Python Dictionaries and JSON</h3>
         <p>Our converter handles these differences automatically, ensuring your Python dictionary is properly converted to valid JSON format.</p>
       </section>
 
-      <section>
+      <section id="use-cases">
         <h3>Common Use Cases</h3>
         <ul>
           <li>Converting configuration files between Python and JSON formats</li>
diff --git a/src/styles/layout.css b/src/styles/layout.css
index 80308e5..9f452b2 100644
--- a/src/styles/layout.css
+++ b/src/styles/layout.css
@@ -1,3 +1,8 @@
+body {
+  margin: 0;
+  font-family: var(--font-family);
+}
+
 .app {
   max-width: 80%;
   margin: 0 auto;
@@ -51,7 +56,7 @@
 
 h1 {
   text-align: center;
-  margin: 0 0 8px;
+  margin: 20px 0 8px;
   color: var(--tooltip-bg);
   font-size: 28px;
   font-weight: 600;
