SEO Update

about.html

@@ -13,15 +13,40 @@
   <meta property="og:description" content="What is UTCI? How does the SunScope soak-factor work? Learn how SunScope calculates urban concrete heat, vehicle interior temperatures, and gives you a more honest outdoor comfort forecast." />
   <meta property="og:url" content="https://sunscope.net/about.html" />
   <meta property="og:type" content="website" />
+  <!-- og:image: replace with your 1200×630 social sharing image URL -->
+  <!-- <meta property="og:image" content="https://sunscope.net/og-image.png" /> -->
+
+  <!-- Twitter Card -->
+  <meta name="twitter:card" content="summary_large_image" />
+  <meta name="twitter:title" content="About SunScope · The True Temperature" />
+  <meta name="twitter:description" content="What is UTCI? How does the SunScope soak-factor work? Learn how SunScope calculates urban heat, vehicle interior temperatures, and gives you a more honest outdoor comfort forecast." />
+  <!-- <meta name="twitter:image" content="https://sunscope.net/og-image.png" /> -->
 
   <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>☀️</text></svg>" />
 
+  <link rel="preconnect" href="https://fonts.bunny.net" />
   <link href="https://fonts.bunny.net/css2?family=Fraunces:ital,wght@0,900;1,300&family=Manrope:wght@400;600&family=JetBrains+Mono:wght@400;600&display=swap" rel="stylesheet" />
 
   <link rel="stylesheet" href="./assets/about.css">
 
   <!-- Structured data for AEO / AI search -->
   <script type="application/ld+json">
+  {
+    "@context": "https://schema.org",
+    "@type": "WebApplication",
+    "name": "SunScope",
+    "url": "https://sunscope.net",
+    "description": "A free hourly UTCI thermal comfort forecast combining air temperature, humidity, wind speed, and solar radiation. Includes vehicle interior temperature, indoor temperature, UV burn time, concrete surface temperature, and soil data.",
+    "applicationCategory": "WeatherApplication",
+    "operatingSystem": "Any",
+    "offers": {
+      "@type": "Offer",
+      "price": "0",
+      "priceCurrency": "GBP"
+    }
+  }
+  </script>
+  <script type="application/ld+json">
   {
     "@context": "https://schema.org",
     "@type": "WebSite",