fix: update Open Graph and Twitter meta tags for improved social shar…

index.html

@@ -4,24 +4,24 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta name="google-site-verification" content="80yUY1Wj-4n2UIzqfDLOQBpeC1xvds-kBhGurQCqk_4" />
-    <meta property="og:title" content="CAD Viewer — Browser-based 3D CAD" />
+    <meta property="og:title" content="CAD Viewer — View STEP/IGES Files &amp; Generate 2D Drawings Free" />
     <meta property="og:site_name" content="CAD Viewer" />
     <meta
       property="og:description"
       content="Free, offline-capable 3D CAD viewer. Supports STEP, IGES, STL, OBJ, 3MF, BREP, GLB."
     />
     <meta property="og:url" content="https://cadviewer.xyz/" />
     <meta property="og:type" content="website" />
-    <meta property="og:image" content="https://cadviewer.xyz/og-image.png" />
+    <meta property="og:image" content="https://cadviewer.xyz/og-image.png?v=20260824" />
     <meta property="og:image:width" content="1200" />
     <meta property="og:image:height" content="630" />
     <meta name="twitter:card" content="summary_large_image" />
-    <meta name="twitter:title" content="CAD Viewer — Browser-based 3D CAD" />
+    <meta name="twitter:title" content="CAD Viewer — View STEP/IGES Files &amp; Generate 2D Drawings Free" />
     <meta
       name="twitter:description"
       content="Free, browser-based 3D CAD viewer. Supports STEP, IGES, STL, OBJ, 3MF, BREP, GLB, and DXF."
     />
-    <meta name="twitter:image" content="https://cadviewer.xyz/og-image.png" />
+    <meta name="twitter:image" content="https://cadviewer.xyz/og-image.png?v=20260824" />
     <link rel="icon" href="/favicon.svg" type="image/svg+xml" />
     <link
       rel="preload"