From d44a33e63b2f2295ec6d40a7d7742776bdbe9026 Mon Sep 17 00:00:00 2001
From: ToolCTRL <node2@tool-ctrl.de>
Date: Wed, 10 Jun 2026 20:01:21 +0200
Subject: [PATCH] SEO: Favicon 96x96, GameJam-Uploads noindex,
 og:image-Metadaten

- Favicon aus Emblem neu in 96x96 generiert (Google-SERP braucht min. 48x48),
  Favicon-Links versioniert
- /gamejam-games/: X-Robots-Tag noindex + robots.txt Disallow (Fremdcontent)
- og:image:width/height/alt auf Start, TechDay und GameJam

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 public/assets/favicon.png | Bin 1083 -> 6247 bytes
 public/datenschutz.html   |   2 +-
 public/gamejam.html       |   5 ++++-
 public/impressum.html     |   2 +-
 public/index.html         |   5 ++++-
 public/robots.txt         |   1 +
 public/techday.html       |   5 ++++-
 server.js                 |   9 +++++++--
 8 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/public/assets/favicon.png b/public/assets/favicon.png
index 39e00f1331f886c91dd444fc214b2154f1c0376d..1961410198acd8a6def4d1c133401d58a6f7dd5f 100644
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zQbIxk6ciK?2$7<Bo-vVeJU>6D(G+H*S?fkTJ3Av~Seh6S9L;8P$fcvys3K!7iM^&6
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B{ha^+

diff --git a/public/datenschutz.html b/public/datenschutz.html
index 760783d..2c4795c 100644
--- a/public/datenschutz.html
+++ b/public/datenschutz.html
@@ -7,7 +7,7 @@
 <meta name="description" content="Datenschutzerklärung von ToolCTRL: Informationen zur Verarbeitung personenbezogener Daten auf dieser Website." />
 <meta name="robots" content="noindex" />
 <link rel="canonical" href="https://tool-ctrl.de/datenschutz.html" />
-<link rel="icon" type="image/png" href="/assets/favicon.png" />
+<link rel="icon" type="image/png" href="/assets/favicon.png?v=20260610" />
 <link rel="stylesheet" href="/styles.css?v=20260610" />
 </head>
 <body>
diff --git a/public/gamejam.html b/public/gamejam.html
index 09a3967..2c48538 100644
--- a/public/gamejam.html
+++ b/public/gamejam.html
@@ -13,8 +13,11 @@
 <meta property="og:title" content="AI GameJam: Human in the Loop, TechDay Bruchsal 2026">
 <meta property="og:description" content="AI GameJam von ToolCTRL beim TechDay Bruchsal 2026: In wenigen Stunden mit KI ein spielbares Game bauen. Human in the Loop, im HubWerk01 Bruchsal.">
 <meta property="og:image" content="https://tool-ctrl.de/assets/og-image.png">
+<meta property="og:image:width" content="1200">
+<meta property="og:image:height" content="630">
+<meta property="og:image:alt" content="ToolCTRL Logo mit Tagline: Die Software, die eure Branche längst verdient hat.">
 <meta name="twitter:card" content="summary_large_image">
-<link rel="icon" type="image/png" href="/assets/favicon.png">
+<link rel="icon" type="image/png" href="/assets/favicon.png?v=20260610">
 <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=Space+Grotesk:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap" rel="stylesheet">
diff --git a/public/impressum.html b/public/impressum.html
index 86cd47a..9bb5d9f 100644
--- a/public/impressum.html
+++ b/public/impressum.html
@@ -7,7 +7,7 @@
 <meta name="description" content="Impressum und Anbieterkennzeichnung von ToolCTRL." />
 <meta name="robots" content="noindex" />
 <link rel="canonical" href="https://tool-ctrl.de/impressum.html" />
-<link rel="icon" type="image/png" href="/assets/favicon.png" />
+<link rel="icon" type="image/png" href="/assets/favicon.png?v=20260610" />
 <link rel="stylesheet" href="/styles.css?v=20260610" />
 </head>
 <body>
diff --git a/public/index.html b/public/index.html
index cb29899..a6f6f00 100644
--- a/public/index.html
+++ b/public/index.html
@@ -16,6 +16,9 @@
 <meta property="og:title" content="ToolCTRL: Moderne All-in-One-Software für eure Branche" />
 <meta property="og:description" content="ToolCTRL baut moderne All-in-One-Software für Branchen, die zu lange mit veralteten Insellösungen arbeiten mussten. Fokus auf Bedienung und Gestaltung." />
 <meta property="og:image" content="https://tool-ctrl.de/assets/og-image.png" />
+<meta property="og:image:width" content="1200" />
+<meta property="og:image:height" content="630" />
+<meta property="og:image:alt" content="ToolCTRL Logo mit Tagline: Die Software, die eure Branche längst verdient hat." />
 
 <!-- Twitter -->
 <meta name="twitter:card" content="summary_large_image" />
@@ -35,7 +38,7 @@
   "sameAs": ["https://www.linkedin.com/company/toolctrl/"]
 }
 </script>
-<link rel="icon" type="image/png" href="/assets/favicon.png" />
+<link rel="icon" type="image/png" href="/assets/favicon.png?v=20260610" />
 <link rel="preconnect" href="https://fonts.googleapis.com" />
 <link rel="stylesheet" href="/styles.css?v=20260610" />
 </head>
diff --git a/public/robots.txt b/public/robots.txt
index 3895af2..c88b802 100644
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -1,4 +1,5 @@
 User-agent: *
 Allow: /
+Disallow: /gamejam-games/
 
 Sitemap: https://tool-ctrl.de/sitemap.xml
diff --git a/public/techday.html b/public/techday.html
index 3352d00..be89f94 100644
--- a/public/techday.html
+++ b/public/techday.html
@@ -15,6 +15,9 @@
 <meta property="og:title" content="TechDay Bruchsal 2026: ToolCTRL" />
 <meta property="og:description" content="ToolCTRL beim Bruchsaler TechDay 2026: Vortrag, AI GameJam und die mITapp. Am 27. Mai 2026 im HubWerk01 Bruchsal." />
 <meta property="og:image" content="https://tool-ctrl.de/assets/techday-event.png" />
+<meta property="og:image:width" content="683" />
+<meta property="og:image:height" content="384" />
+<meta property="og:image:alt" content="TechDay Bruchsal 2026 Eventmotiv" />
 <meta name="twitter:card" content="summary_large_image" />
 
 <!-- Structured Data -->
@@ -44,7 +47,7 @@
   }
 }
 </script>
-<link rel="icon" type="image/png" href="/assets/favicon.png" />
+<link rel="icon" type="image/png" href="/assets/favicon.png?v=20260610" />
 <link rel="stylesheet" href="/styles.css?v=20260610" />
 </head>
 <body>
diff --git a/server.js b/server.js
index b8b624c..6309b7d 100644
--- a/server.js
+++ b/server.js
@@ -214,10 +214,15 @@ function serveStatic(req, res) {
     const cacheControl = ext === ".html"
       ? "no-cache"
       : "public, max-age=31536000, immutable";
-    res.writeHead(200, {
+    const headers = {
       "Content-Type": MIME[ext] || "application/octet-stream",
       "Cache-Control": cacheControl
-    });
+    };
+    /* Hochgeladene GameJam-Spiele nicht indexieren (Fremdcontent) */
+    if (urlPath.startsWith("/gamejam-games/")) {
+      headers["X-Robots-Tag"] = "noindex";
+    }
+    res.writeHead(200, headers);
     fs.createReadStream(filePath).pipe(res);
   });
 }