diff --git a/index.html b/index.html
index b5e5f73..114e331 100644
--- a/index.html
+++ b/index.html
@@ -1,16 +1,16 @@
-Understood. We're keeping the focus purely on the **RTECH** mission: hardware sovereignty, the right to mod, and the 2026 roadmap. I have removed the anti-corporate rhetoric to focus on the positive "Sovereign Industrial" identity and added the official contact point.
-
-### RTECH | Sovereign Industrial Root (`index.html`)
-
-```html
 <!DOCTYPE html>
 <html lang="en">
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>RTECH | Sovereign Industrial 2026</title>
+    <!-- Performance Optimization: Resource hints for critical external assets -->
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link rel="preconnect" href="https://cdn.tailwindcss.com">
     <script src="https://cdn.tailwindcss.com"></script>
-    <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700;800&display=swap" rel="stylesheet">
+    <!-- Performance Optimization: Variable font range reduces requests and covers all weights/styles -->
+    <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400..800;1,400..800&display=swap" rel="stylesheet">
     <style>
         :root { --lime: #a3e635; --zinc-950: #09090b; }
         * { border-radius: 0 !important; font-family: 'JetBrains Mono', monospace; }
@@ -148,5 +148,4 @@ <h2 class="text-4xl font-black uppercase italic mb-8">Direct Technical Interface
     </footer>
 
 </body>
-</html>
-```
+</html>
\ No newline at end of file
diff --git a/os2.html b/os2.html
index 20281c4..9d25323 100644
--- a/os2.html
+++ b/os2.html
@@ -4,8 +4,13 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>RTECH | OS*2 Full Specifications</title>
+    <!-- Performance Optimization: Resource hints for critical external assets -->
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link rel="preconnect" href="https://cdn.tailwindcss.com">
     <script src="https://cdn.tailwindcss.com"></script>
-    <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700;800&display=swap" rel="stylesheet">
+    <!-- Performance Optimization: Variable font range reduces requests and covers all weights/styles -->
+    <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400..800;1,400..800&display=swap" rel="stylesheet">
     <style>
         :root { --lime: #a3e635; --slate-950: #020617; }
         * { border-radius: 0 !important; font-family: 'JetBrains Mono', monospace; }
@@ -165,7 +170,12 @@ <h4 class="text-[10px] font-black text-slate-500 uppercase mb-6 tracking-widest"
                 status.innerText = "Status: Mirror_Sync_In_Progress";
             }
         }
-        window.onload = checkAvailability;
+        /*
+           Performance Optimization: Calling checkAvailability immediately instead of waiting for window.onload.
+           This allows the availability check to start as soon as the script is parsed,
+           improving time-to-interactivity for the download button.
+        */
+        checkAvailability();
     </script>
 </body>
 </html>
