mehr SEO

2026-04-27 22:21:52 +02:00
parent c4fac0f726
commit 9b31e77daa
9 changed files with 371 additions and 56 deletions
--- a/src/app/(main)/(app)/bulk-creation/page.tsx
+++ b/src/app/(main)/(app)/bulk-creation/page.tsx
@@ -285,6 +285,7 @@ export default function BulkCreationPage() {
  };

  const saveQRCodesToDatabase = async () => {
+    if (isDynamic) return; // dynamic codes are already saved during generation
    setLoading(true);

    try {
@@ -817,12 +818,14 @@ export default function BulkCreationPage() {
                </svg>
                Download All as ZIP
              </Button>
-              <Button onClick={saveQRCodesToDatabase} loading={loading}>
-                <svg className="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 7H5a2 2 0 00-2 2v9a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-3m-1 4l-3 3m0 0l-3-3m3 3V4" />
-                </svg>
-                Save QR Codes
-              </Button>
+              {!isDynamic && (
+                <Button onClick={saveQRCodesToDatabase} loading={loading}>
+                  <svg className="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 7H5a2 2 0 00-2 2v9a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2h-3m-1 4l-3 3m0 0l-3-3m3 3V4" />
+                  </svg>
+                  Save QR Codes
+                </Button>
+              )}
            </div>
          </CardContent>
        </Card>
--- a/src/app/(main)/(marketing)/dynamic-qr-code-generator/page.tsx
+++ b/src/app/(main)/(marketing)/dynamic-qr-code-generator/page.tsx
@@ -262,6 +262,16 @@ const softwareSchema = {
  },
  description:
    'Create dynamic QR codes that can be updated after printing. Change destinations later and review scan context from one dashboard.',
+  speakable: {
+    '@type': 'SpeakableSpecification',
+    cssSelector: ['h1', '.answer-first-block', '.bg-green-50'],
+  },
+  author: {
+    '@type': 'Person',
+    name: 'Timo Knuth',
+    url: 'https://www.qrmaster.net/authors/timo',
+  },
+  dateModified: '2026-04-27',
  featureList: [
    'Edit QR code destinations after printing',
    'Review scan analytics in the dashboard',
--- a/src/app/(main)/(marketing)/tools/barcode-generator/page.tsx
+++ b/src/app/(main)/(marketing)/tools/barcode-generator/page.tsx
@@ -52,6 +52,22 @@ const jsonLd = {
            '/barcode-generator-preview.png',
            'UtilitiesApplication'
        ),
+        {
+            '@type': 'WebPage',
+            '@id': 'https://www.qrmaster.net/tools/barcode-generator',
+            name: 'Free Barcode Generator Online – EAN, UPC, Code 128',
+            description: 'A barcode generator converts any number or text into a scannable barcode image for retail labels, inventory, and product packaging. Supports EAN-13, UPC-A, and Code 128.',
+            speakable: {
+                '@type': 'SpeakableSpecification',
+                cssSelector: ['.bg-blue-50', 'h1'],
+            },
+            author: {
+                '@type': 'Person',
+                name: 'Timo Knuth',
+                url: 'https://www.qrmaster.net/authors/timo',
+            },
+            dateModified: '2026-04-27',
+        },
        {
            '@type': 'HowTo',
            name: 'How to Create a Barcode',
@@ -239,6 +255,58 @@ export default function BarcodeGeneratorPage() {
                    <BarcodeGeneratorClient />
                </section>

+                {/* AI-EXTRACTABLE DEFINITION + STATS BLOCK */}
+                <section className="py-12 px-4 sm:px-6 lg:px-8 bg-white border-b border-slate-100">
+                    <div className="max-w-4xl mx-auto">
+                        <div className="bg-blue-50 border-l-4 border-blue-500 rounded-xl p-6 mb-8">
+                            <h2 className="text-xl font-bold text-slate-900 mb-2">What is a Barcode Generator?</h2>
+                            <p className="text-slate-700 leading-relaxed">
+                                A <strong>barcode generator</strong> is an online tool that converts a number or text string into a scannable barcode image (EAN-13, UPC-A, or Code 128). The generated barcode can be downloaded as PNG or SVG and printed on product labels, packaging, or inventory stickers for use with any standard barcode scanner.
+                            </p>
+                        </div>
+                        <div className="grid md:grid-cols-3 gap-6 mb-8">
+                            <div className="text-center p-5 rounded-xl bg-slate-50 border border-slate-200">
+                                <div className="text-3xl font-extrabold text-blue-600 mb-1">EAN-13</div>
+                                <div className="text-sm font-semibold text-slate-700 mb-1">Global Retail Standard</div>
+                                <div className="text-xs text-slate-500">Used on over 5 billion product labels worldwide (GS1, 2024)</div>
+                            </div>
+                            <div className="text-center p-5 rounded-xl bg-slate-50 border border-slate-200">
+                                <div className="text-3xl font-extrabold text-blue-600 mb-1">UPC-A</div>
+                                <div className="text-sm font-semibold text-slate-700 mb-1">North America Standard</div>
+                                <div className="text-xs text-slate-500">Required by Amazon, Walmart, Target for product listings</div>
+                            </div>
+                            <div className="text-center p-5 rounded-xl bg-slate-50 border border-slate-200">
+                                <div className="text-3xl font-extrabold text-blue-600 mb-1">Code 128</div>
+                                <div className="text-sm font-semibold text-slate-700 mb-1">Inventory &amp; Logistics</div>
+                                <div className="text-xs text-slate-500">Supports letters + numbers — best for internal SKU systems</div>
+                            </div>
+                        </div>
+                        <div className="bg-amber-50 border border-amber-200 rounded-xl p-5">
+                            <h3 className="font-bold text-slate-900 mb-2">Barcode vs. QR Code — When to Use Which</h3>
+                            <div className="grid md:grid-cols-2 gap-4 text-sm text-slate-700">
+                                <div>
+                                    <p className="font-semibold text-slate-800 mb-1">✓ Use a barcode for:</p>
+                                    <ul className="space-y-1 list-disc list-inside text-slate-600">
+                                        <li>Product SKUs and retail checkout</li>
+                                        <li>Warehouse shelf and bin labels</li>
+                                        <li>Inventory counting and stock control</li>
+                                        <li>Order fulfillment and packing verification</li>
+                                    </ul>
+                                </div>
+                                <div>
+                                    <p className="font-semibold text-slate-800 mb-1">✓ Use a QR code for:</p>
+                                    <ul className="space-y-1 list-disc list-inside text-slate-600">
+                                        <li>Restaurant menus and digital content</li>
+                                        <li>Marketing campaigns and landing pages</li>
+                                        <li>Review collection and customer feedback</li>
+                                        <li>Product setup guides and support pages</li>
+                                    </ul>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </section>
+
                {/* HOW IT WORKS */}
                <section className="py-16 px-4 sm:px-6 lg:px-8 bg-white">
                    <div className="max-w-4xl mx-auto">
--- a/src/app/sitemap.ts
+++ b/src/app/sitemap.ts
@@ -50,10 +50,17 @@ export default function sitemap(): MetadataRoute.Sitemap {
    'barcode-generator': 0.95,
  };

+  const toolLastModified: Record<string, Date> = {
+    'barcode-generator': new Date('2026-04-27'),
+    'vcard-qr-code': new Date('2026-04-27'),
+    'instagram-qr-code': new Date('2026-04-27'),
+    'wifi-qr-code': new Date('2026-04-27'),
+  };
+
  const toolPages = freeTools.map((slug) => ({
    url: `${baseUrl}/tools/${slug}`,
-    lastModified: new Date(),
-    changeFrequency: 'monthly' as const,
+    lastModified: toolLastModified[slug] ?? new Date('2026-01-01'),
+    changeFrequency: slug === 'barcode-generator' ? 'weekly' as const : 'monthly' as const,
    priority: highPriorityTools[slug] ?? 0.8,
  }));

@@ -202,9 +209,9 @@ export default function sitemap(): MetadataRoute.Sitemap {
    },
    {
      url: `${baseUrl}/dynamic-qr-code-generator`,
-      lastModified: new Date(),
-      changeFrequency: 'monthly',
-      priority: 0.9,
+      lastModified: new Date('2026-04-27'),
+      changeFrequency: 'weekly',
+      priority: 0.95,
    },
    {
      url: `${baseUrl}/dynamic-barcode-generator`,