Enhance SEO text generation for product categories by implementing pagination support. Updated generateCategoryLlmsTxt to include page navigation and product count details, improving clarity for users accessing product catalogs. Added helper function generateAllCategoryLlmsPages to facilitate the creation of multiple category pages.

prerender/seo.cjs

@@ -959,9 +959,42 @@ GrowHeads.de is a German online shop and local store in Dresden specializing in
     if (category.seoName) {
       const productCount = productsByCategory[category.id]?.length || 0;
       const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
+      const productsPerPage = 50;
+      const totalPages = Math.ceil(productCount / productsPerPage);
       
-      llmsTxt += `#### ${category.name} (${productCount} products)
+      llmsTxt += `#### ${category.name} (${productCount} products)`;
-- **Product Catalog**: ${baseUrl}/llms-${categorySlug}.txt
+      
+      if (totalPages > 1) {
+        llmsTxt += `
+- **Product Catalog**: ${totalPages} pages available
+- **Page 1**: ${baseUrl}/llms-${categorySlug}-page-1.txt (Products 1-${Math.min(productsPerPage, productCount)})`;
+        
+        if (totalPages > 2) {
+          llmsTxt += `
+- **Page 2**: ${baseUrl}/llms-${categorySlug}-page-2.txt (Products ${productsPerPage + 1}-${Math.min(productsPerPage * 2, productCount)})`;
+        }
+        
+        if (totalPages > 3) {
+          llmsTxt += `
+- **...**: Additional pages available`;
+        }
+        
+        if (totalPages > 2) {
+          llmsTxt += `
+- **Page ${totalPages}**: ${baseUrl}/llms-${categorySlug}-page-${totalPages}.txt (Products ${((totalPages - 1) * productsPerPage) + 1}-${productCount})`;
+        }
+        
+        llmsTxt += `
+- **Access Pattern**: Replace "page-X" with desired page number (1-${totalPages})`;
+      } else if (productCount > 0) {
+        llmsTxt += `
+- **Product Catalog**: ${baseUrl}/llms-${categorySlug}-page-1.txt`;
+      } else {
+        llmsTxt += `
+- **Product Catalog**: No products available`;
+      }
+      
+      llmsTxt += `
 
 `;
     }
@@ -976,10 +1009,18 @@ GrowHeads.de is a German online shop and local store in Dresden specializing in
   return llmsTxt;
 };
 
-const generateCategoryLlmsTxt = (category, categoryProducts = [], baseUrl, config) => {
+const generateCategoryLlmsTxt = (category, categoryProducts = [], baseUrl, config, pageNumber = 1, productsPerPage = 50) => {
   const currentDate = new Date().toISOString().split("T")[0]; // YYYY-MM-DD format
+  const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
   
-  let categoryLlmsTxt = `# ${category.name} - Product Catalog
+  // Calculate pagination
+  const totalProducts = categoryProducts.length;
+  const totalPages = Math.ceil(totalProducts / productsPerPage);
+  const startIndex = (pageNumber - 1) * productsPerPage;
+  const endIndex = Math.min(startIndex + productsPerPage, totalProducts);
+  const pageProducts = categoryProducts.slice(startIndex, endIndex);
+
+  let categoryLlmsTxt = `# ${category.name} - Product Catalog (Page ${pageNumber} of ${totalPages})
 
 Generated: ${currentDate}
 Base URL: ${baseUrl}
@@ -987,18 +1028,53 @@ Category: ${category.name} (ID: ${category.id})
 Category URL: ${baseUrl}/Kategorie/${category.seoName}
 
 ## Category Overview
-This file contains all products in the "${category.name}" category from ${config.siteName}. 
+This file contains products ${startIndex + 1}-${endIndex} of ${totalProducts} in the "${category.name}" category from ${config.siteName}. 
 
 **Statistics:**
-- **Total Products**: ${categoryProducts.length}
+- **Total Products in Category**: ${totalProducts}
+- **Products on This Page**: ${pageProducts.length}
+- **Current Page**: ${pageNumber} of ${totalPages}
 - **Category ID**: ${category.id}
 - **Category URL**: ${baseUrl}/Kategorie/${category.seoName}
 - **Back to Main Sitemap**: ${baseUrl}/llms.txt
 
 `;
 
-  if (categoryProducts.length > 0) {
+  // Add navigation hints for LLMs
-    categoryProducts.forEach((product, index) => {
+  if (totalPages > 1) {
+    categoryLlmsTxt += `## Navigation for LLMs
+
+**How to access other pages in this category:**
+`;
+    
+    if (pageNumber > 1) {
+      categoryLlmsTxt += `- **Previous Page**: ${baseUrl}/llms-${categorySlug}-page-${pageNumber - 1}.txt
+`;
+    }
+    
+    if (pageNumber < totalPages) {
+      categoryLlmsTxt += `- **Next Page**: ${baseUrl}/llms-${categorySlug}-page-${pageNumber + 1}.txt
+`;
+    }
+    
+    categoryLlmsTxt += `- **First Page**: ${baseUrl}/llms-${categorySlug}-page-1.txt
+- **Last Page**: ${baseUrl}/llms-${categorySlug}-page-${totalPages}.txt
+
+**All pages in this category:**
+`;
+    
+    for (let i = 1; i <= totalPages; i++) {
+      categoryLlmsTxt += `- **Page ${i}**: ${baseUrl}/llms-${categorySlug}-page-${i}.txt (Products ${((i-1) * productsPerPage) + 1}-${Math.min(i * productsPerPage, totalProducts)})
+`;
+    }
+    
+    categoryLlmsTxt += `
+
+`;
+  }
+
+  if (pageProducts.length > 0) {
+    pageProducts.forEach((product, index) => {
       if (product.seoName) {
         // Clean description for markdown (remove HTML tags and limit length)
         const cleanDescription = product.description
@@ -1009,7 +1085,8 @@ This file contains all products in the "${category.name}" category from ${config
               .substring(0, 300)
           : "";
 
-        categoryLlmsTxt += `## ${index + 1}. ${product.name}
+        const globalIndex = startIndex + index + 1;
+        categoryLlmsTxt += `## ${globalIndex}. ${product.name}
 
 - **Product URL**: ${baseUrl}/Artikel/${product.seoName}
 - **Article Number**: ${product.articleNumber || 'N/A'}
@@ -1046,6 +1123,26 @@ ${cleanDescription}${product.description && product.description.length > 300 ? '
 
 This category currently contains no products.
 
+`;
+  }
+
+  // Add footer navigation for convenience
+  if (totalPages > 1) {
+    categoryLlmsTxt += `## Page Navigation
+
+`;
+    if (pageNumber > 1) {
+      categoryLlmsTxt += `← [Previous Page](${baseUrl}/llms-${categorySlug}-page-${pageNumber - 1}.txt) | `;
+    }
+    
+    categoryLlmsTxt += `[Category Overview](${baseUrl}/llms-${categorySlug}-page-1.txt)`;
+    
+    if (pageNumber < totalPages) {
+      categoryLlmsTxt += ` | [Next Page](${baseUrl}/llms-${categorySlug}-page-${pageNumber + 1}.txt) →`;
+    }
+    
+    categoryLlmsTxt += `
+
 `;
   }
 
@@ -1057,6 +1154,28 @@ This category currently contains no products.
   return categoryLlmsTxt;
 };
 
+// Helper function to generate all pages for a category
+const generateAllCategoryLlmsPages = (category, categoryProducts = [], baseUrl, config, productsPerPage = 50) => {
+  const totalProducts = categoryProducts.length;
+  const totalPages = Math.ceil(totalProducts / productsPerPage);
+  const pages = [];
+  
+  for (let pageNumber = 1; pageNumber <= totalPages; pageNumber++) {
+    const pageContent = generateCategoryLlmsTxt(category, categoryProducts, baseUrl, config, pageNumber, productsPerPage);
+    const categorySlug = category.seoName.toLowerCase().replace(/[^a-z0-9]/g, '-');
+    const fileName = `llms-${categorySlug}-page-${pageNumber}.txt`;
+    
+    pages.push({
+      fileName,
+      content: pageContent,
+      pageNumber,
+      totalPages
+    });
+  }
+  
+  return pages;
+};
+
 module.exports = {
   generateProductMetaTags,
   generateProductJsonLd,
@@ -1070,4 +1189,5 @@ module.exports = {
   generateProductsXml,
   generateLlmsTxt,
   generateCategoryLlmsTxt,
+  generateAllCategoryLlmsPages,
 };