From 234b1f1739e382e765a3e7c5633092c2c99819de Mon Sep 17 00:00:00 2001
From: Unchained <unchained@nodecrew.me>
Date: Mon, 30 Mar 2026 11:22:44 +0200
Subject: [PATCH] feat: comprehensive SEO system with keywords and schema
 markup

- Add 4-locale keyword configurations (SR, EN, DE, FR)
- Create schema generators (Product, Organization, Breadcrumb)
- Add React components for JSON-LD rendering
- Implement caching for keyword performance
- Abstract all SEO logic for maintainability
---
 src/components/seo/JsonLd.tsx                 |  39 +++
 src/components/seo/OrganizationSchema.tsx     |  41 +++
 src/components/seo/ProductSchema.tsx          |  67 +++++
 src/components/seo/index.ts                   |   9 +
 .../seo/keywords/config/keywordStrategy.ts    |  58 ++++
 src/lib/seo/keywords/index.ts                 |  46 +++
 src/lib/seo/keywords/locales/de.ts            | 274 +++++++++++++++++
 src/lib/seo/keywords/locales/en.ts            | 271 +++++++++++++++++
 src/lib/seo/keywords/locales/fr.ts            | 275 ++++++++++++++++++
 src/lib/seo/keywords/locales/sr.ts            | 269 +++++++++++++++++
 src/lib/seo/keywords/types.ts                 |  77 +++++
 src/lib/seo/keywords/utils/getKeywords.ts     | 148 ++++++++++
 src/lib/seo/schema/breadcrumbSchema.ts        |  84 ++++++
 src/lib/seo/schema/index.ts                   |  31 ++
 src/lib/seo/schema/organizationSchema.ts      |  79 +++++
 src/lib/seo/schema/productSchema.ts           | 104 +++++++
 src/lib/seo/schema/types.ts                   |  85 ++++++
 17 files changed, 1957 insertions(+)
 create mode 100644 src/components/seo/JsonLd.tsx
 create mode 100644 src/components/seo/OrganizationSchema.tsx
 create mode 100644 src/components/seo/ProductSchema.tsx
 create mode 100644 src/components/seo/index.ts
 create mode 100644 src/lib/seo/keywords/config/keywordStrategy.ts
 create mode 100644 src/lib/seo/keywords/index.ts
 create mode 100644 src/lib/seo/keywords/locales/de.ts
 create mode 100644 src/lib/seo/keywords/locales/en.ts
 create mode 100644 src/lib/seo/keywords/locales/fr.ts
 create mode 100644 src/lib/seo/keywords/locales/sr.ts
 create mode 100644 src/lib/seo/keywords/types.ts
 create mode 100644 src/lib/seo/keywords/utils/getKeywords.ts
 create mode 100644 src/lib/seo/schema/breadcrumbSchema.ts
 create mode 100644 src/lib/seo/schema/index.ts
 create mode 100644 src/lib/seo/schema/organizationSchema.ts
 create mode 100644 src/lib/seo/schema/productSchema.ts
 create mode 100644 src/lib/seo/schema/types.ts

diff --git a/src/components/seo/JsonLd.tsx b/src/components/seo/JsonLd.tsx
new file mode 100644
index 0000000..4af447c
--- /dev/null
+++ b/src/components/seo/JsonLd.tsx
@@ -0,0 +1,39 @@
+import Script from 'next/script';
+import { SchemaType } from '@/lib/seo/schema/types';
+
+interface JsonLdProps {
+  data: SchemaType | SchemaType[];
+}
+
+/**
+ * React component to render JSON-LD schema markup
+ * Uses Next.js Script component for proper loading
+ * 
+ * @param data - Single schema object or array of schemas
+ * @returns Script component with JSON-LD
+ * @example
+ * <JsonLd data={productSchema} />
+ * <JsonLd data={[productSchema, breadcrumbSchema]} />
+ */
+export function JsonLd({ data }: JsonLdProps) {
+  // Handle single schema or array
+  const schemas = Array.isArray(data) ? data : [data];
+  
+  return (
+    <>
+      {schemas.map((schema, index) => (
+        <Script
+          key={index}
+          id={`json-ld-${index}`}
+          type="application/ld+json"
+          strategy="afterInteractive"
+          dangerouslySetInnerHTML={{
+            __html: JSON.stringify(schema),
+          }}
+        />
+      ))}
+    </>
+  );
+}
+
+export default JsonLd;
diff --git a/src/components/seo/OrganizationSchema.tsx b/src/components/seo/OrganizationSchema.tsx
new file mode 100644
index 0000000..73f91c7
--- /dev/null
+++ b/src/components/seo/OrganizationSchema.tsx
@@ -0,0 +1,41 @@
+import { JsonLd } from './JsonLd';
+import { generateOrganizationSchema, generateWebSiteSchema } from '@/lib/seo/schema/organizationSchema';
+import { Locale } from '@/lib/seo/keywords/types';
+
+interface OrganizationSchemaProps {
+  baseUrl: string;
+  locale: Locale;
+  logoUrl: string;
+  socialProfiles?: string[];
+  email?: string;
+}
+
+/**
+ * Organization schema component
+ * Renders Organization + WebSite JSON-LD schemas
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Current locale
+ * @param logoUrl - URL to organization logo
+ * @param socialProfiles - Array of social media profile URLs
+ * @param email - Contact email
+ */
+export function OrganizationSchema({
+  baseUrl,
+  locale,
+  logoUrl,
+  socialProfiles,
+  email,
+}: OrganizationSchemaProps) {
+  const orgSchema = generateOrganizationSchema(baseUrl, locale, {
+    logoUrl,
+    socialProfiles,
+    email,
+  });
+
+  const websiteSchema = generateWebSiteSchema(baseUrl, locale);
+
+  return <JsonLd data={[orgSchema, websiteSchema]} />;
+}
+
+export default OrganizationSchema;
diff --git a/src/components/seo/ProductSchema.tsx b/src/components/seo/ProductSchema.tsx
new file mode 100644
index 0000000..2a6dea0
--- /dev/null
+++ b/src/components/seo/ProductSchema.tsx
@@ -0,0 +1,67 @@
+import { JsonLd } from './JsonLd';
+import { generateProductSchema, generateCategorizedProductSchema } from '@/lib/seo/schema/productSchema';
+import { generateProductBreadcrumbs } from '@/lib/seo/schema/breadcrumbSchema';
+import { Locale } from '@/lib/seo/keywords/types';
+
+interface ProductSchemaProps {
+  baseUrl: string;
+  locale: Locale;
+  product: {
+    name: string;
+    slug: string;
+    description: string;
+    images: string[];
+    price: {
+      amount: number;
+      currency: string;
+    };
+    sku?: string;
+    availability?: 'InStock' | 'OutOfStock' | 'PreOrder';
+  };
+  category?: 'antiAging' | 'hydration' | 'glow' | 'sensitive' | 'natural' | 'organic';
+  rating?: {
+    value: number;
+    count: number;
+  };
+  includeBreadcrumbs?: boolean;
+}
+
+/**
+ * Product schema component
+ * Renders Product + BreadcrumbList JSON-LD schemas
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Current locale
+ * @param product - Product data object
+ * @param category - Optional category for enhanced targeting
+ * @param rating - Optional aggregate rating data
+ * @param includeBreadcrumbs - Whether to include breadcrumb schema (default: true)
+ */
+export function ProductSchema({
+  baseUrl,
+  locale,
+  product,
+  category,
+  rating,
+  includeBreadcrumbs = true,
+}: ProductSchemaProps) {
+  // Generate product schema
+  const productSchema = category
+    ? generateCategorizedProductSchema(baseUrl, locale, { ...product, rating }, category)
+    : generateProductSchema(baseUrl, locale, { ...product, rating });
+
+  // Generate breadcrumbs if requested
+  if (includeBreadcrumbs) {
+    const breadcrumbSchema = generateProductBreadcrumbs(
+      baseUrl,
+      locale,
+      product.name,
+      product.slug
+    );
+    return <JsonLd data={[productSchema, breadcrumbSchema]} />;
+  }
+
+  return <JsonLd data={productSchema} />;
+}
+
+export default ProductSchema;
diff --git a/src/components/seo/index.ts b/src/components/seo/index.ts
new file mode 100644
index 0000000..17aad92
--- /dev/null
+++ b/src/components/seo/index.ts
@@ -0,0 +1,9 @@
+/**
+ * SEO React Components
+ * Structured data and metadata components
+ */
+
+// Schema components
+export { JsonLd } from './JsonLd';
+export { OrganizationSchema } from './OrganizationSchema';
+export { ProductSchema } from './ProductSchema';
diff --git a/src/lib/seo/keywords/config/keywordStrategy.ts b/src/lib/seo/keywords/config/keywordStrategy.ts
new file mode 100644
index 0000000..91fc2ce
--- /dev/null
+++ b/src/lib/seo/keywords/config/keywordStrategy.ts
@@ -0,0 +1,58 @@
+import { Locale, LocaleKeywords } from '../types';
+
+/**
+ * Keyword Strategy Configuration
+ * Defines how keywords should be used across the site
+ */
+
+export const keywordStrategy = {
+  density: {
+    min: 0.5,      // 0.5% minimum keyword density
+    max: 2.5,      // 2.5% maximum (avoid keyword stuffing)
+    optimal: 1.5   // 1.5% optimal density
+  },
+  
+  placement: {
+    title: true,           // Include keyword in page title
+    h1: true,              // Include keyword in H1
+    h2: true,              // Include in at least one H2
+    firstParagraph: true,  // Include in first 100 words
+    metaDescription: true, // Include in meta description
+    altText: true          // Include in image alt text where relevant
+  },
+  
+  variations: true,        // Use keyword variations/synonyms
+  
+  // Meta title/descriptions character limits
+  metaLimits: {
+    titleMin: 30,
+    titleMax: 60,
+    descriptionMin: 120,
+    descriptionMax: 160
+  }
+};
+
+/**
+ * Get keyword usage recommendations for a page
+ */
+export function getKeywordRecommendations(
+  pageType: keyof LocaleKeywords['pages'],
+  locale: Locale
+): { primary: string[]; secondary: string[]; recommendations: string[] } {
+  const recommendations: string[] = [
+    `Use primary keywords within first 100 words`,
+    `Include at least one primary keyword in H1`,
+    `Meta title should be ${keywordStrategy.metaLimits.titleMin}-${keywordStrategy.metaLimits.titleMax} characters`,
+    `Meta description should be ${keywordStrategy.metaLimits.descriptionMin}-${keywordStrategy.metaLimits.descriptionMax} characters`,
+    `Maintain ${keywordStrategy.density.optimal}% keyword density`,
+    `Use keyword variations naturally throughout content`
+  ];
+
+  return {
+    primary: [], // Will be populated by getKeywords
+    secondary: [], // Will be populated by getKeywords
+    recommendations
+  };
+}
+
+export default keywordStrategy;
diff --git a/src/lib/seo/keywords/index.ts b/src/lib/seo/keywords/index.ts
new file mode 100644
index 0000000..7b68a8a
--- /dev/null
+++ b/src/lib/seo/keywords/index.ts
@@ -0,0 +1,46 @@
+/**
+ * SEO Keywords Module
+ * Centralized, localized keyword management for SEO optimization
+ * 
+ * Usage:
+ * import { getKeywords, getPageKeywords, Locale } from '@/lib/seo/keywords';
+ * 
+ * const keywords = getKeywords('sr');
+ * const homeKeywords = getPageKeywords('sr', 'home');
+ */
+
+// Types
+export type { 
+  Locale, 
+  LocaleKeywords, 
+  BrandKeywords, 
+  PageKeywords, 
+  ProductCategoryKeywords,
+  ContentKeywords,
+  CompetitorKeywords,
+  KeywordStrategy 
+} from './types';
+
+// Main functions
+export { 
+  getKeywords,
+  getPageKeywords,
+  getCategoryKeywords,
+  getContentKeywords,
+  getCompetitorKeywords,
+  getBrandKeywords,
+  clearKeywordsCache,
+  getAvailableLocales,
+  isValidLocale
+} from './utils/getKeywords';
+
+// Keyword strategy
+export { keywordStrategy, getKeywordRecommendations } from './config/keywordStrategy';
+
+// Locale-specific exports (for direct access if needed)
+export { serbianKeywords } from './locales/sr';
+export { englishKeywords } from './locales/en';
+export { germanKeywords } from './locales/de';
+export { frenchKeywords } from './locales/fr';
+
+
diff --git a/src/lib/seo/keywords/locales/de.ts b/src/lib/seo/keywords/locales/de.ts
new file mode 100644
index 0000000..c0aa5d6
--- /dev/null
+++ b/src/lib/seo/keywords/locales/de.ts
@@ -0,0 +1,274 @@
+import { LocaleKeywords } from '../types';
+
+/**
+ * German (DE) SEO Keywords Configuration
+ * Primary market: Germany, Austria, Switzerland (DACH)
+ * Language: German
+ */
+
+export const germanKeywords: LocaleKeywords = {
+  locale: 'de',
+  
+  brand: {
+    companyName: 'ManoonOils',
+    tagline: 'Premium Natürliche Anti-Aging Seren und Öle Für Gesicht, Haut & Haar',
+    category: 'Naturkosmetik',
+    valueProposition: 'handgefertigte Produkte aus natürlichen Inhaltsstoffen ohne Chemikalien'
+  },
+
+  pages: {
+    home: {
+      primary: [
+        'natürliches Gesichtsserum',
+        'Bio Hautpflege',
+        'Anti-Aging Serum natürlich'
+      ],
+      secondary: [
+        'natürliche Öle für das Gesicht',
+        'Clean Beauty Produkte',
+        'Serum ohne Chemikalien',
+        'natürliche Hautpflege'
+      ],
+      longTail: [
+        'bestes natürliches Serum für reife Haut',
+        'wo kann man Bio Hautpflege online kaufen',
+        'natürliche Anti-Aging Produkte für das Gesicht',
+        'Gesichtsserum mit natürlichen Inhaltsstoffen',
+        'handgemachte Naturkosmetik'
+      ],
+      metaTitle: 'ManoonOils | Natürliches Gesichtsserum | Bio Hautpflege',
+      metaDescription: 'Entdecken Sie unsere Kollektion von Premium natürlichen Gesichtsseren. Anti-Aging, Feuchtigkeit und strahlende Haut ohne Chemikalien. Handgefertigte Produkte.'
+    },
+
+    products: {
+      primary: [
+        'natürliches Gesichtsserum kaufen',
+        'Bio Gesichtspflege Produkte',
+        'Anti-Aging Serum natürlich'
+      ],
+      secondary: [
+        'Falten Serum',
+        'Glow Serum',
+        'natürliche Gesichtsöle',
+        'Serum ohne Parabene'
+      ],
+      longTail: [
+        'natürliches Serum für trockene Gesichtshaut',
+        'Bio Anti-Aging Serum Preis',
+        'Vitamin C Serum für das Gesicht',
+        'natürliches Serum für empfindliche Haut',
+        'wo kann man natürliches Serum kaufen'
+      ],
+      metaTitle: 'Natürliches Gesichtsserum | Bio Hautpflege | ManoonOils',
+      metaDescription: 'Durchsuchen Sie unsere Kollektion von Premium natürlichen Gesichtsseren. Anti-Aging, Feuchtigkeit und strahlende Haut ohne Chemikalien.'
+    },
+
+    product: {
+      primary: [
+        '{{productName}} Serum',
+        'natürliches Gesichtsserum',
+        'Bio Hautpflege'
+      ],
+      secondary: [
+        'Anti-Falten Serum',
+        'Anti-Aging Serum',
+        'natürliche Gesichtspflege',
+        'Serum ohne Chemikalien'
+      ],
+      longTail: [
+        '{{productName}} Bewertungen',
+        '{{productName}} Preis',
+        '{{productName}} wo kaufen',
+        '{{productName}} Ergebnisse',
+        'bestes Serum für {{concern}}'
+      ],
+      metaTitle: '{{productName}} | Natürliches Gesichtsserum | ManoonOils',
+      metaDescription: '{{productName}} - Premium natürliches Serum für {{concern}}. {{benefits}}. Ohne Chemikalien, handgefertigt.'
+    },
+
+    about: {
+      primary: [
+        'über manoonoils',
+        'Naturkosmetik Marke',
+        'handgemachte Hautpflege Hersteller'
+      ],
+      secondary: [
+        'unsere Geschichte',
+        'Mission und Vision',
+        'natürliche Inhaltsstoffe',
+        'handgefertigte Produkte'
+      ],
+      longTail: [
+        'wer steckt hinter manoonoils',
+        'warum Naturkosmetik wählen',
+        'wie unsere Produkte hergestellt werden',
+        'ethische Beauty Produktion'
+      ],
+      metaTitle: 'Über uns | ManoonOils | Naturkosmetik',
+      metaDescription: 'Lernen Sie ManoonOils kennen - einen Hersteller von Premium natürlichen Seren. Unsere Geschichte, Mission und Engagement für Qualität ohne Kompromisse.'
+    },
+
+    contact: {
+      primary: [
+        'kontakt manoonoils',
+        'natürliches Serum kaufen',
+        'Hautpflege Zusammenarbeit'
+      ],
+      secondary: [
+        'Naturkosmetik Verkauf',
+        'Großhandel Serum',
+        'Distributoren'
+      ],
+      longTail: [
+        'wie bestellt man bei manoonoils',
+        'manoonoils Kontakt Telefon',
+        'wo kann man Produkte kaufen',
+        'Zusammenarbeit mit manoonoils'
+      ],
+      metaTitle: 'Kontakt | ManoonOils | Natürliches Serum kaufen',
+      metaDescription: 'Kontaktieren Sie uns für Bestellungen, Produktfragen oder Geschäftszusammenarbeit. ManoonOils - Naturkosmetik.'
+    },
+
+    checkout: {
+      primary: [],
+      secondary: [],
+      longTail: [],
+      metaTitle: 'Kauf abschließen | ManoonOils',
+      metaDescription: 'Schließen Sie Ihren Kauf von natürlichen Seren sicher ab. Schneller Versand nach Deutschland und Österreich.'
+    },
+
+    blog: {
+      primary: [
+        'Hautpflege Tipps',
+        'natürliche Hautpflege',
+        'Anti-Aging Tipps'
+      ],
+      secondary: [
+        'wie benutzt man Serum',
+        'Hautpflege Routine',
+        'natürliche Inhaltsstoffe',
+        'Pflege für reife Haut'
+      ],
+      longTail: [
+        'welche Öle sind am besten für das Gesicht',
+        'wie reduziert man Falten natürlich',
+        'tägliche Hautpflege Routine',
+        'natürliche Alternative zu Retinol'
+      ],
+      metaTitle: 'Blog | Hautpflege Tipps | ManoonOils',
+      metaDescription: 'Expertentipps für die Gesichtspflege, natürliche Alternativen und Anleitungen für gesunde, strahlende Haut. Lesen Sie unseren Blog.'
+    }
+  },
+
+  categories: {
+    antiAging: [
+      'Anti-Aging Serum',
+      'Falten Serum',
+      'Anti-Aging Hautpflege',
+      'natürliches Anti-Aging',
+      'Serum für reife Haut',
+      'Anti-Aging Kosmetik'
+    ],
+    hydration: [
+      'feuchtigkeitsspendendes Serum',
+      'Serum für trockene Haut',
+      'Feuchtigkeit für das Gesicht',
+      'Gesichtsfeuchtigkeit',
+      'Serum für dehydrierte Haut'
+    ],
+    glow: [
+      'Glow Serum',
+      'Strahlendes Serum',
+      'strahlende Haut',
+      'Serum für Leuchtkraft',
+      'gesunder Glow'
+    ],
+    sensitive: [
+      'Serum für empfindliche Haut',
+      'sanfte Gesichtspflege',
+      'duftfreies Serum',
+      'hypoallergene Hautpflege',
+      'Serum für Rosacea'
+    ],
+    natural: [
+      'natürliches Serum',
+      'Kräuterserum',
+      'Serum aus natürlichen Inhaltsstoffen',
+      'Naturkosmetik',
+      'selbstgemachtes Serum'
+    ],
+    organic: [
+      'Bio Serum',
+      'Öko Serum',
+      'Biokosmetik',
+      'zertifiziert Bio',
+      'Öko Serum'
+    ]
+  },
+
+  content: {
+    educational: [
+      'wie benutzt man Gesichtsserum',
+      'was ist der Unterschied zwischen Serum und Creme',
+      'wie erkennt man Qualitäts-Naturkosmetik',
+      'Reihenfolge beim Auftragen von Hautpflegeprodukten',
+      'wie liest man kosmetische Produktetiketten'
+    ],
+    benefits: [
+      'Vorteile von natürlichen Seren',
+      'warum Bio Kosmetik wählen',
+      'Vorteile von Arganöl für die Haut',
+      'Hagebuttenöl für Falten',
+      'Squalan - alles was Sie wissen müssen'
+    ],
+    comparison: [
+      'natürlich vs synthetische Kosmetik',
+      'Serum oder Creme - was ist besser',
+      'Retinol vs Bakuchiol',
+      'chemisches Peeling vs enzymatisches',
+      'Haut vor und nach natürlichen Seren'
+    ],
+    ingredients: [
+      'Arganöl Eigenschaften',
+      'Jojobaöl für das Gesicht',
+      'Vitamin C in Kosmetik',
+      'natürliche Hyaluronsäure',
+      'Öko Zertifizierungen Kosmetik'
+    ]
+  },
+
+  competitors: {
+    brands: [
+      'The Ordinary',
+      'Paula\'s Choice',
+      'La Roche Posay',
+      'Vichy',
+      'L\'Oreal',
+      'Garnier',
+      'Nuxe',
+      'Caudalie',
+      'Drunk Elephant',
+      'SkinCeuticals',
+      'Sunday Riley',
+      'Tata Harper',
+      'Weleda',
+      'Sante',
+      'Logona'
+    ],
+    comparisons: [
+      'manoonoils vs the ordinary',
+      'natürliches Serum vs Drogerie',
+      'handgemachte Kosmetik vs kommerziell',
+      'Serum ohne Chemikalien vs Standard'
+    ],
+    alternatives: [
+      'Alternative zu The Ordinary',
+      'natürliche Alternative zu Retinol',
+      'günstige Alternative zu SkinCeuticals',
+      'handgemachtes Produkt statt Import',
+      'Serum ohne Silikone Alternative'
+    ]
+  }
+};
+
+export default germanKeywords;
diff --git a/src/lib/seo/keywords/locales/en.ts b/src/lib/seo/keywords/locales/en.ts
new file mode 100644
index 0000000..8323487
--- /dev/null
+++ b/src/lib/seo/keywords/locales/en.ts
@@ -0,0 +1,271 @@
+import { LocaleKeywords } from '../types';
+
+/**
+ * English (EN) SEO Keywords Configuration
+ * Primary market: International/US/UK
+ * Language: English
+ */
+
+export const englishKeywords: LocaleKeywords = {
+  locale: 'en',
+  
+  brand: {
+    companyName: 'ManoonOils',
+    tagline: 'Premium Natural Anti Age Serums and Oils For Face, Skin & Hair',
+    category: 'natural cosmetics',
+    valueProposition: 'handmade products from natural ingredients without chemicals'
+  },
+
+  pages: {
+    home: {
+      primary: [
+        'natural face serum',
+        'organic skincare',
+        'anti aging serum natural'
+      ],
+      secondary: [
+        'natural oils for face',
+        'clean beauty products',
+        'serum without chemicals',
+        'natural skin care'
+      ],
+      longTail: [
+        'best natural serum for mature skin',
+        'where to buy organic skincare online',
+        'natural anti aging products for face',
+        'face serum with natural ingredients',
+        'handmade natural cosmetics'
+      ],
+      metaTitle: 'ManoonOils | Natural Face Serum | Organic Skincare',
+      metaDescription: 'Discover our collection of premium natural face serums. Anti-aging, hydration and radiant skin without chemicals. Handmade products.'
+    },
+
+    products: {
+      primary: [
+        'natural face serum shop',
+        'organic face care products',
+        'anti aging serum natural'
+      ],
+      secondary: [
+        'wrinkle serum',
+        'glow serum',
+        'natural face oils',
+        'serum without parabens'
+      ],
+      longTail: [
+        'natural serum for dry facial skin',
+        'organic anti aging serum price',
+        'vitamin C serum for face',
+        'natural serum for sensitive skin',
+        'where to buy natural serum'
+      ],
+      metaTitle: 'Natural Face Serum | Organic Skincare | ManoonOils',
+      metaDescription: 'Browse our collection of premium natural face serums. Anti-aging, hydration and radiant skin without chemicals.'
+    },
+
+    product: {
+      primary: [
+        '{{productName}} serum',
+        'natural face serum',
+        'organic skincare'
+      ],
+      secondary: [
+        'anti wrinkle serum',
+        'anti aging serum',
+        'natural face care',
+        'serum without chemicals'
+      ],
+      longTail: [
+        '{{productName}} reviews',
+        '{{productName}} price',
+        '{{productName}} where to buy',
+        '{{productName}} results',
+        'best serum for {{concern}}'
+      ],
+      metaTitle: '{{productName}} | Natural Face Serum | ManoonOils',
+      metaDescription: '{{productName}} - premium natural serum for {{concern}}. {{benefits}}. Without chemicals, handmade.'
+    },
+
+    about: {
+      primary: [
+        'about manoonoils',
+        'natural cosmetics brand',
+        'handmade skincare manufacturer'
+      ],
+      secondary: [
+        'our story',
+        'mission and vision',
+        'natural ingredients',
+        'handcrafted products'
+      ],
+      longTail: [
+        'who is behind manoonoils',
+        'why choose natural cosmetics',
+        'how our products are made',
+        'ethical beauty production'
+      ],
+      metaTitle: 'About Us | ManoonOils | Natural Cosmetics',
+      metaDescription: 'Meet ManoonOils - a manufacturer of premium natural serums. Our story, mission and commitment to quality without compromise.'
+    },
+
+    contact: {
+      primary: [
+        'contact manoonoils',
+        'buy natural serum',
+        'skincare collaboration'
+      ],
+      secondary: [
+        'natural cosmetics sales',
+        'wholesale serum',
+        'distributors'
+      ],
+      longTail: [
+        'how to order manoonoils',
+        'manoonoils contact phone',
+        'where to buy products',
+        'collaboration with manoonoils'
+      ],
+      metaTitle: 'Contact | ManoonOils | Buy Natural Serum',
+      metaDescription: 'Contact us for orders, product questions or business collaboration. ManoonOils - natural cosmetics.'
+    },
+
+    checkout: {
+      primary: [],
+      secondary: [],
+      longTail: [],
+      metaTitle: 'Complete Purchase | ManoonOils',
+      metaDescription: 'Securely complete your purchase of natural serums. Fast shipping worldwide.'
+    },
+
+    blog: {
+      primary: [
+        'skincare tips',
+        'natural skin care',
+        'anti aging tips'
+      ],
+      secondary: [
+        'how to use serum',
+        'skincare routine',
+        'natural ingredients',
+        'mature skin care'
+      ],
+      longTail: [
+        'which oils are best for face',
+        'how to reduce wrinkles naturally',
+        'daily skincare routine',
+        'natural alternative to retinol'
+      ],
+      metaTitle: 'Blog | Skincare Tips | ManoonOils',
+      metaDescription: 'Expert tips for facial care, natural alternatives and guides for healthy, glowing skin. Read our blog.'
+    }
+  },
+
+  categories: {
+    antiAging: [
+      'anti aging serum',
+      'wrinkle serum',
+      'anti aging skincare',
+      'natural anti age',
+      'serum for mature skin',
+      'anti aging cosmetics'
+    ],
+    hydration: [
+      'hydrating serum',
+      'serum for dry skin',
+      'moisture for face',
+      'face hydration',
+      'serum for dehydrated skin'
+    ],
+    glow: [
+      'glow serum',
+      'radiance serum',
+      'glowing skin',
+      'serum for brightness',
+      'healthy glow'
+    ],
+    sensitive: [
+      'serum for sensitive skin',
+      'gentle face care',
+      'fragrance free serum',
+      'hypoallergenic skincare',
+      'serum for rosacea'
+    ],
+    natural: [
+      'natural serum',
+      'herbal serum',
+      'serum from natural ingredients',
+      'natural cosmetics',
+      'homemade serum'
+    ],
+    organic: [
+      'organic serum',
+      'bio serum',
+      'organic cosmetics',
+      'certified organic',
+      'eco serum'
+    ]
+  },
+
+  content: {
+    educational: [
+      'how to use face serum',
+      'what is the difference between serum and cream',
+      'how to recognize quality natural cosmetics',
+      'order of applying skincare products',
+      'how to read cosmetic product labels'
+    ],
+    benefits: [
+      'benefits of using natural serums',
+      'why choose organic cosmetics',
+      'benefits of argan oil for skin',
+      'rosehip oil for wrinkles',
+      'squalane - everything you need to know'
+    ],
+    comparison: [
+      'natural vs synthetic cosmetics',
+      'serum or cream - which is better',
+      'retinol vs bakuchiol',
+      'chemical peel vs enzymatic',
+      'skin before and after natural serums'
+    ],
+    ingredients: [
+      'argan oil properties',
+      'jojoba oil for face',
+      'vitamin C in cosmetics',
+      'natural hyaluronic acid',
+      'eco certifications cosmetics'
+    ]
+  },
+
+  competitors: {
+    brands: [
+      'The Ordinary',
+      'Paula\'s Choice',
+      'La Roche Posay',
+      'Vichy',
+      'L\'Oreal',
+      'Garnier',
+      'Nuxe',
+      'Caudalie',
+      'Drunk Elephant',
+      'SkinCeuticals',
+      'Sunday Riley',
+      'Tata Harper'
+    ],
+    comparisons: [
+      'manoonoils vs the ordinary',
+      'natural serum vs drugstore',
+      'handmade cosmetics vs commercial',
+      'serum without chemicals vs standard'
+    ],
+    alternatives: [
+      'alternative to the ordinary',
+      'natural alternative to retinol',
+      'affordable alternative to skinceuticals',
+      'handmade product instead of imported',
+      'serum without silicone alternative'
+    ]
+  }
+};
+
+export default englishKeywords;
diff --git a/src/lib/seo/keywords/locales/fr.ts b/src/lib/seo/keywords/locales/fr.ts
new file mode 100644
index 0000000..98f559b
--- /dev/null
+++ b/src/lib/seo/keywords/locales/fr.ts
@@ -0,0 +1,275 @@
+import { LocaleKeywords } from '../types';
+
+/**
+ * French (FR) SEO Keywords Configuration
+ * Primary market: France, Belgium, Switzerland, Canada
+ * Language: French
+ */
+
+export const frenchKeywords: LocaleKeywords = {
+  locale: 'fr',
+  
+  brand: {
+    companyName: 'ManoonOils',
+    tagline: 'Sérums et Huiles Anti-Âge Naturels Premium Pour Visage, Peau & Cheveux',
+    category: 'cosmétiques naturels',
+    valueProposition: 'produits artisanaux aux ingrédients naturels sans produits chimiques'
+  },
+
+  pages: {
+    home: {
+      primary: [
+        'sérum visage naturel',
+        'cosmétique bio',
+        'sérum anti-âge naturel'
+      ],
+      secondary: [
+        'huiles naturelles pour le visage',
+        'produits clean beauty',
+        'sérum sans produits chimiques',
+        'soin naturel de la peau'
+      ],
+      longTail: [
+        'meilleur sérum naturel pour peau mature',
+        'où acheter cosmétique bio en ligne',
+        'produits anti-âge naturels pour le visage',
+        'sérum visage aux ingrédients naturels',
+        'cosmétique artisanale naturelle'
+      ],
+      metaTitle: 'ManoonOils | Sérum Visage Naturel | Cosmétique Bio',
+      metaDescription: 'Découvrez notre collection de sérums visage naturels premium. Anti-âge, hydratation et peau rayonnante sans produits chimiques. Produits artisanaux.'
+    },
+
+    products: {
+      primary: [
+        'acheter sérum visage naturel',
+        'produits soin visage bio',
+        'sérum anti-âge naturel'
+      ],
+      secondary: [
+        'sérum anti-rides',
+        'sérum éclat',
+        'huiles naturelles visage',
+        'sérum sans parabènes'
+      ],
+      longTail: [
+        'sérum naturel pour peau sèche visage',
+        'prix sérum anti-âge bio',
+        'sérum vitamine C visage',
+        'sérum naturel pour peau sensible',
+        'où acheter sérum naturel'
+      ],
+      metaTitle: 'Sérum Visage Naturel | Cosmétique Bio | ManoonOils',
+      metaDescription: 'Parcourez notre collection de sérums visage naturels premium. Anti-âge, hydratation et peau rayonnante sans produits chimiques.'
+    },
+
+    product: {
+      primary: [
+        'sérum {{productName}}',
+        'sérum visage naturel',
+        'cosmétique bio'
+      ],
+      secondary: [
+        'sérum anti-rides',
+        'sérum anti-âge',
+        'soin naturel visage',
+        'sérum sans produits chimiques'
+      ],
+      longTail: [
+        '{{productName}} avis',
+        '{{productName}} prix',
+        '{{productName}} où acheter',
+        '{{productName}} résultats',
+        'meilleur sérum pour {{concern}}'
+      ],
+      metaTitle: '{{productName}} | Sérum Visage Naturel | ManoonOils',
+      metaDescription: '{{productName}} - sérum naturel premium pour {{concern}}. {{benefits}}. Sans produits chimiques, artisanal.'
+    },
+
+    about: {
+      primary: [
+        'à propos manoonoils',
+        'marque cosmétiques naturels',
+        'fabricant soin artisanal'
+      ],
+      secondary: [
+        'notre histoire',
+        'mission et vision',
+        'ingrédients naturels',
+        'produits artisanaux'
+      ],
+      longTail: [
+        'qui est derrière manoonoils',
+        'pourquoi choisir cosmétique naturel',
+        'comment nos produits sont fabriqués',
+        'production beauté éthique'
+      ],
+      metaTitle: 'À propos | ManoonOils | Cosmétiques Naturels',
+      metaDescription: 'Découvrez ManoonOils - un fabricant de sérums naturels premium. Notre histoire, mission et engagement pour la qualité sans compromis.'
+    },
+
+    contact: {
+      primary: [
+        'contact manoonoils',
+        'acheter sérum naturel',
+        'collaboration cosmétique'
+      ],
+      secondary: [
+        'vente cosmétiques naturels',
+        'sérum en gros',
+        'distributeurs'
+      ],
+      longTail: [
+        'comment commander chez manoonoils',
+        'téléphone contact manoonoils',
+        'où acheter les produits',
+        'collaboration avec manoonoils'
+      ],
+      metaTitle: 'Contact | ManoonOils | Acheter Sérum Naturel',
+      metaDescription: 'Contactez-nous pour commandes, questions produits ou collaboration commerciale. ManoonOils - cosmétiques naturels.'
+    },
+
+    checkout: {
+      primary: [],
+      secondary: [],
+      longTail: [],
+      metaTitle: 'Finaliser Achat | ManoonOils',
+      metaDescription: 'Finalisez en toute sécurité votre achat de sérums naturels. Livraison rapide en France et Belgique.'
+    },
+
+    blog: {
+      primary: [
+        'conseils soin visage',
+        'soin naturel peau',
+        'conseils anti-âge'
+      ],
+      secondary: [
+        'comment utiliser sérum',
+        'routine soin visage',
+        'ingrédients naturels',
+        'soin peau mature'
+      ],
+      longTail: [
+        'quelles huiles sont meilleures pour visage',
+        'comment réduire rides naturellement',
+        'routine soin quotidienne',
+        'alternative naturelle au rétinol'
+      ],
+      metaTitle: 'Blog | Conseils Soin Visage | ManoonOils',
+      metaDescription: 'Conseils d\'experts pour le soin du visage, alternatives naturelles et guides pour une peau saine et éclatante. Lisez notre blog.'
+    }
+  },
+
+  categories: {
+    antiAging: [
+      'sérum anti-âge',
+      'sérum anti-rides',
+      'soin anti-âge',
+      'anti-âge naturel',
+      'sérum peau mature',
+      'cosmétique anti-âge'
+    ],
+    hydration: [
+      'sérum hydratant',
+      'sérum peau sèche',
+      'hydratation visage',
+      'hydratation peau',
+      'sérum peau déshydratée'
+    ],
+    glow: [
+      'sérum éclat',
+      'sérum radiance',
+      'peau éclatante',
+      'sérum luminosité',
+      'glow healthy'
+    ],
+    sensitive: [
+      'sérum peau sensible',
+      'soin doux visage',
+      'sérum sans parfum',
+      'cosmétique hypoallergénique',
+      'sérum rosacée'
+    ],
+    natural: [
+      'sérum naturel',
+      'sérum végétal',
+      'sérum ingrédients naturels',
+      'cosmétique naturelle',
+      'sérum fait maison'
+    ],
+    organic: [
+      'sérum bio',
+      'sérum écologique',
+      'cosmétique bio',
+      'certifié bio',
+      'sérum éco'
+    ]
+  },
+
+  content: {
+    educational: [
+      'comment utiliser sérum visage',
+      'différence entre sérum et crème',
+      'comment reconnaître cosmétique naturel qualité',
+      'ordre application produits soin visage',
+      'comment lire étiquette produit cosmétique'
+    ],
+    benefits: [
+      'avantages utilisation sérums naturels',
+      'pourquoi choisir cosmétique bio',
+      'avantages huile argan peau',
+      'huile rose musquée rides',
+      'squalane - tout ce qu\'il faut savoir'
+    ],
+    comparison: [
+      'cosmétique naturelle vs synthétique',
+      'sérum ou crème - lequel est mieux',
+      'rétinol vs bakuchiol',
+      'peeling chimique vs enzymatique',
+      'peau avant après sérums naturels'
+    ],
+    ingredients: [
+      'propriétés huile argan',
+      'huile jojoba visage',
+      'vitamine C cosmétique',
+      'acide hyaluronique naturel',
+      'certifications éco cosmétique'
+    ]
+  },
+
+  competitors: {
+    brands: [
+      'The Ordinary',
+      'Paula\'s Choice',
+      'La Roche Posay',
+      'Vichy',
+      'L\'Oreal',
+      'Garnier',
+      'Nuxe',
+      'Caudalie',
+      'Drunk Elephant',
+      'SkinCeuticals',
+      'Sunday Riley',
+      'Tata Harper',
+      'Weleda',
+      'Sante',
+      'Cattier',
+      'Coco\'solis'
+    ],
+    comparisons: [
+      'manoonoils vs the ordinary',
+      'sérum naturel vs parapharmacie',
+      'cosmétique artisanale vs commerciale',
+      'sérum sans produits chimiques vs standard'
+    ],
+    alternatives: [
+      'alternative à The Ordinary',
+      'alternative naturelle au rétinol',
+      'alternative abordable à SkinCeuticals',
+      'produit artisanal au lieu d\'importé',
+      'alternative sérum sans silicone'
+    ]
+  }
+};
+
+export default frenchKeywords;
diff --git a/src/lib/seo/keywords/locales/sr.ts b/src/lib/seo/keywords/locales/sr.ts
new file mode 100644
index 0000000..b46210e
--- /dev/null
+++ b/src/lib/seo/keywords/locales/sr.ts
@@ -0,0 +1,269 @@
+import { LocaleKeywords } from '../types';
+
+/**
+ * Serbian (SR) SEO Keywords Configuration
+ * Primary market: Serbia
+ * Language: Serbian (Latin script)
+ */
+
+export const serbianKeywords: LocaleKeywords = {
+  locale: 'sr',
+  
+  brand: {
+    companyName: 'ManoonOils',
+    tagline: 'Premium prirodni anti age serumi i ulja za lice, kožu i kosu',
+    category: 'prirodna kozmetika',
+    valueProposition: 'ručno rađeni proizvodi od prirodnih sastojaka bez hemikalija'
+  },
+
+  pages: {
+    home: {
+      primary: [
+        'prirodni serum za lice',
+        'organska kozmetika srbija',
+        'anti age serum prirodni'
+      ],
+      secondary: [
+        'prirodna ulja za negu lica',
+        'domaća kozmetika',
+        'serum bez hemikalija',
+        'prirodna nega kože'
+      ],
+      longTail: [
+        'najbolji prirodni serum za zrelu kožu',
+        'gde kupiti organsku kozmetiku u srbiji',
+        'prirodni anti age proizvodi za lice',
+        'serum za lice sa prirodnim sastojcima',
+        'ručno rađena kozmetika beograd'
+      ],
+      metaTitle: 'ManoonOils | Premium prirodni serum za lice | Organska kozmetika Srbija',
+      metaDescription: 'Otkrijte našu kolekciju premium prirodnih seruma za lice. Anti age, hidratacija i negovana koža bez hemikalija. Ručno rađeni proizvodi u Srbiji.'
+    },
+
+    products: {
+      primary: [
+        'prirodni serum za lice prodaja',
+        'organski proizvodi za negu lica',
+        'anti age serum prirodni'
+      ],
+      secondary: [
+        'serum protiv bora',
+        'serum za sjaj kože',
+        'prirodna ulja za lice',
+        'serum bez parabena'
+      ],
+      longTail: [
+        'prirodni serum za suvu kožu lica',
+        'organski anti age serum cena',
+        'serum za lice sa vitaminom C',
+        'prirodni serum za osetljivu kožu',
+        'gde kupiti prirodni serum u srbiji'
+      ],
+      metaTitle: 'Prirodni serum za lice | Organska kozmetika | ManoonOils',
+      metaDescription: 'Pregledajte našu kolekciju premium prirodnih seruma za lice. Anti age, hidratacija i negovana koža bez hemikalija.'
+    },
+
+    product: {
+      primary: [
+        '{{productName}} serum',
+        'prirodni serum za lice',
+        'organska kozmetika'
+      ],
+      secondary: [
+        'serum protiv bora',
+        'anti age serum',
+        'prirodna nega lica',
+        'serum bez hemikalija'
+      ],
+      longTail: [
+        '{{productName}} iskustva',
+        '{{productName}} cena',
+        '{{productName}} gde kupiti',
+        '{{productName}} rezultati',
+        'najbolji serum za {{concern}}'
+      ],
+      metaTitle: '{{productName}} | Prirodni serum za lice | ManoonOils',
+      metaDescription: '{{productName}} - premium prirodni serum za {{concern}}. {{benefits}}. Bez hemikalija, ručno rađen u Srbiji.'
+    },
+
+    about: {
+      primary: [
+        'o nama manoonoils',
+        'prirodna kozmetika srbija',
+        'domaći proizvođač kozmetike'
+      ],
+      secondary: [
+        'naša priča',
+        'misija i vizija',
+        'prirodni sastojci',
+        'ručna izrada'
+      ],
+      longTail: [
+        'ko stoji iza manoonoils',
+        'zašto izabrati prirodnu kozmetiku',
+        'kako nastaju naši proizvodi',
+        'etička proizvodnja kozmetike'
+      ],
+      metaTitle: 'O nama | ManoonOils | Prirodna kozmetika Srbija',
+      metaDescription: 'Upoznajte ManoonOils - domaćeg proizvođača premium prirodnih seruma. Naša priča, misija i posvećenost kvalitetu bez kompromisa.'
+    },
+
+    contact: {
+      primary: [
+        'kontakt manoonoils',
+        'kupiti prirodni serum',
+        'saradnja kozmetika'
+      ],
+      secondary: [
+        'prodaja prirodne kozmetike',
+        'veleprodaja serum',
+        'distributeri srbija'
+      ],
+      longTail: [
+        'kako naručiti manoonoils',
+        'kontakt telefon manoonoils',
+        'gde se mogu kupiti proizvodi',
+        'saradnja sa manoonoils'
+      ],
+      metaTitle: 'Kontakt | ManoonOils | Kupite prirodni serum',
+      metaDescription: 'Kontaktirajte nas za narudžbine, pitanja o proizvodima ili poslovnu saradnju. ManoonOils - prirodna kozmetika Srbija.'
+    },
+
+    checkout: {
+      primary: [],
+      secondary: [],
+      longTail: [],
+      metaTitle: 'Završite kupovinu | ManoonOils',
+      metaDescription: 'Bezbedno završite vašu kupovinu prirodnih seruma. Plaćanje pouzećem. Brza isporuka širom Srbije.'
+    },
+
+    blog: {
+      primary: [
+        'saveti za negu lica',
+        'prirodna nega kože',
+        'anti aging saveti'
+      ],
+      secondary: [
+        'kako koristiti serum',
+        'rutina nege lica',
+        'prirodni sastojci',
+        'nega zrele kože'
+      ],
+      longTail: [
+        'koja ulja su najbolja za lice',
+        'kako smanjiti bore prirodnim putem',
+        'dnevna rutina nege kože',
+        'prirodna alternativa retinolu'
+      ],
+      metaTitle: 'Blog | Saveti za negu lica | ManoonOils',
+      metaDescription: 'Ekspertni saveti za negu lica, prirodne alternative i vodiči za zdravu, negovanu kožu. Čitajte naš blog.'
+    }
+  },
+
+  categories: {
+    antiAging: [
+      'anti age serum',
+      'serum protiv bora',
+      'serum protiv starenja',
+      'prirodni anti age',
+      'serum za zrelu kožu',
+      'anti aging kozmetika'
+    ],
+    hydration: [
+      'hidratantni serum',
+      'serum za suvu kožu',
+      'vlaga za lice',
+      'hidratacija lica',
+      'serum za dehidriranu kožu'
+    ],
+    glow: [
+      'serum za sjaj kože',
+      'radiance serum',
+      'sjajna koža',
+      'serum za blistavost',
+      'healthy glow'
+    ],
+    sensitive: [
+      'serum za osetljivu kožu',
+      'nežna nega lica',
+      'bez parfema serum',
+      'hipoalergena kozmetika',
+      'serum za kuperozu'
+    ],
+    natural: [
+      'prirodni serum',
+      'biljni serum',
+      'serum od prirodnih sastojaka',
+      'prirodna kozmetika',
+      'domaći serum'
+    ],
+    organic: [
+      'organski serum',
+      'bio serum',
+      'organska kozmetika',
+      'certificirana organska',
+      'eko serum'
+    ]
+  },
+
+  content: {
+    educational: [
+      'kako koristiti serum za lice',
+      'koja je razlika između seruma i kreme',
+      'kako prepoznati kvalitetnu prirodnu kozmetiku',
+      'redosled nanošenja proizvoda za negu lica',
+      'kako čitati deklaraciju kozmetičkih proizvoda'
+    ],
+    benefits: [
+      'prednosti korišćenja prirodnih seruma',
+      'zašto izabrati organsku kozmetiku',
+      'benefiti arganovog ulja za kožu',
+      'ulje semena divlje ruže za bore',
+      'squalane - sve što treba da znate'
+    ],
+    comparison: [
+      'prirodna vs sintetička kozmetika',
+      'serum ili krema - šta je bolje',
+      'retinol vs bakuchiol',
+      'hemijski piling vs enzimski',
+      'koža pre i posle prirodnih seruma'
+    ],
+    ingredients: [
+      'arganovo ulje svojstva',
+      'ulje jojoba za lice',
+      'vitamin C u kozmetici',
+      'hijaluronska kiselina prirodna',
+      'eko sertifikati kozmetike'
+    ]
+  },
+
+  competitors: {
+    brands: [
+      'The Ordinary',
+      'Paula\'s Choice',
+      'La Roche Posay',
+      'Vichy',
+      'L\'Oreal',
+      'Garnier',
+      'Nuxe',
+      'Caudalie',
+      'Drunk Elephant',
+      'SkinCeuticals'
+    ],
+    comparisons: [
+      'manoonoils vs the ordinary',
+      'prirodni serum vs drogerijski',
+      'domaća kozmetika vs uvozna',
+      'serum bez hemikalija vs standardni'
+    ],
+    alternatives: [
+      'alternativa za the ordinary',
+      'prirodna alternativa za retinol',
+      'jeftinija alternativa za skinceuticals',
+      'domaći proizvod umesto uvoznog',
+      'serum bez silikona alternativa'
+    ]
+  }
+};
+
+export default serbianKeywords;
diff --git a/src/lib/seo/keywords/types.ts b/src/lib/seo/keywords/types.ts
new file mode 100644
index 0000000..22f08e9
--- /dev/null
+++ b/src/lib/seo/keywords/types.ts
@@ -0,0 +1,77 @@
+/**
+ * SEO Keywords Type Definitions
+ * Centralized type system for localized SEO keywords
+ */
+
+export type Locale = 'sr' | 'en' | 'de' | 'fr';
+
+export interface BrandKeywords {
+  companyName: string;
+  tagline: string;
+  category: string;
+  valueProposition: string;
+}
+
+export interface PageKeywords {
+  primary: string[];        // 2-3 main keywords for page
+  secondary: string[];      // 3-5 supporting keywords
+  longTail: string[];       // 5-10 specific phrases
+  metaTitle: string;        // Template for meta title
+  metaDescription: string;  // Template for meta description
+}
+
+export interface ProductCategoryKeywords {
+  antiAging: string[];
+  hydration: string[];
+  glow: string[];
+  sensitive: string[];
+  natural: string[];
+  organic: string[];
+}
+
+export interface ContentKeywords {
+  educational: string[];    // "how to", "guide" topics
+  benefits: string[];       // "benefits of" topics
+  comparison: string[];     // "vs", "alternative" topics
+  ingredients: string[];    // Ingredient-focused content
+}
+
+export interface CompetitorKeywords {
+  brands: string[];         // Competitor brand names
+  comparisons: string[];    // "vs" phrases
+  alternatives: string[];   // "alternative to" phrases
+}
+
+export interface LocaleKeywords {
+  locale: Locale;
+  brand: BrandKeywords;
+  pages: {
+    home: PageKeywords;
+    products: PageKeywords;
+    product: PageKeywords;
+    about: PageKeywords;
+    contact: PageKeywords;
+    checkout: PageKeywords;
+    blog: PageKeywords;
+  };
+  categories: ProductCategoryKeywords;
+  content: ContentKeywords;
+  competitors: CompetitorKeywords;
+}
+
+export interface KeywordStrategy {
+  density: {
+    min: number;
+    max: number;
+    optimal: number;
+  };
+  placement: {
+    title: boolean;
+    h1: boolean;
+    h2: boolean;
+    firstParagraph: boolean;
+    metaDescription: boolean;
+    altText: boolean;
+  };
+  variations: boolean;      // Use keyword variations
+}
diff --git a/src/lib/seo/keywords/utils/getKeywords.ts b/src/lib/seo/keywords/utils/getKeywords.ts
new file mode 100644
index 0000000..4079e13
--- /dev/null
+++ b/src/lib/seo/keywords/utils/getKeywords.ts
@@ -0,0 +1,148 @@
+import { Locale, LocaleKeywords } from '../types';
+import { serbianKeywords } from '../locales/sr';
+import { englishKeywords } from '../locales/en';
+import { germanKeywords } from '../locales/de';
+import { frenchKeywords } from '../locales/fr';
+
+/**
+ * Cache for loaded keywords to avoid repeated imports
+ */
+const keywordsCache: Record<Locale, LocaleKeywords | null> = {
+  sr: null,
+  en: null,
+  de: null,
+  fr: null
+};
+
+/**
+ * Get all SEO keywords for a specific locale
+ * Uses caching for performance
+ * 
+ * @param locale - The locale code ('sr', 'en', 'de', 'fr')
+ * @returns LocaleKeywords object with all keywords for that locale
+ * @example
+ * const keywords = getKeywords('sr');
+ * console.log(keywords.pages.home.primary); // ['prirodni serum za lice', ...]
+ */
+export function getKeywords(locale: Locale): LocaleKeywords {
+  // Return from cache if available
+  if (keywordsCache[locale]) {
+    return keywordsCache[locale]!;
+  }
+
+  // Load keywords based on locale
+  const keywordsMap: Record<Locale, LocaleKeywords> = {
+    sr: serbianKeywords,
+    en: englishKeywords,
+    de: germanKeywords,
+    fr: frenchKeywords
+  };
+
+  const keywords = keywordsMap[locale];
+  
+  // Cache for future use
+  keywordsCache[locale] = keywords;
+  
+  return keywords;
+}
+
+/**
+ * Get keywords for a specific page type
+ * Convenience function for page-level keyword access
+ * 
+ * @param locale - The locale code
+ * @param pageType - The page type ('home', 'products', 'product', 'about', 'contact', 'checkout', 'blog')
+ * @returns PageKeywords for the specified page
+ * @example
+ * const homeKeywords = getPageKeywords('sr', 'home');
+ * console.log(homeKeywords.primary); // Primary keywords for homepage
+ */
+export function getPageKeywords(
+  locale: Locale,
+  pageType: keyof LocaleKeywords['pages']
+) {
+  const keywords = getKeywords(locale);
+  return keywords.pages[pageType];
+}
+
+/**
+ * Get category-specific keywords
+ * 
+ * @param locale - The locale code
+ * @param category - The category key ('antiAging', 'hydration', 'glow', 'sensitive', 'natural', 'organic')
+ * @returns Array of keywords for that category
+ */
+export function getCategoryKeywords(
+  locale: Locale,
+  category: keyof LocaleKeywords['categories']
+): string[] {
+  const keywords = getKeywords(locale);
+  return keywords.categories[category];
+}
+
+/**
+ * Get content topic keywords for blog/article generation
+ * 
+ * @param locale - The locale code
+ * @param contentType - Type of content ('educational', 'benefits', 'comparison', 'ingredients')
+ * @returns Array of content topic keywords
+ */
+export function getContentKeywords(
+  locale: Locale,
+  contentType: keyof LocaleKeywords['content']
+): string[] {
+  const keywords = getKeywords(locale);
+  return keywords.content[contentType];
+}
+
+/**
+ * Get competitor keywords for comparison content
+ * 
+ * @param locale - The locale code
+ * @param competitorType - Type of competitor data ('brands', 'comparisons', 'alternatives')
+ * @returns Array of competitor-related keywords
+ */
+export function getCompetitorKeywords(
+  locale: Locale,
+  competitorType: keyof LocaleKeywords['competitors']
+): string[] {
+  const keywords = getKeywords(locale);
+  return keywords.competitors[competitorType];
+}
+
+/**
+ * Get brand information for the locale
+ * 
+ * @param locale - The locale code
+ * @returns BrandKeywords with localized tagline, category, etc.
+ */
+export function getBrandKeywords(locale: Locale) {
+  const keywords = getKeywords(locale);
+  return keywords.brand;
+}
+
+/**
+ * Clear the keywords cache (useful for testing or hot-reloading)
+ */
+export function clearKeywordsCache(): void {
+  keywordsCache.sr = null;
+  keywordsCache.en = null;
+  keywordsCache.de = null;
+  keywordsCache.fr = null;
+}
+
+/**
+ * Get all available locales
+ */
+export function getAvailableLocales(): Locale[] {
+  return ['sr', 'en', 'de', 'fr'];
+}
+
+/**
+ * Validate if a locale is supported
+ */
+export function isValidLocale(locale: string): locale is Locale {
+  return ['sr', 'en', 'de', 'fr'].includes(locale);
+}
+
+export default getKeywords;
diff --git a/src/lib/seo/schema/breadcrumbSchema.ts b/src/lib/seo/schema/breadcrumbSchema.ts
new file mode 100644
index 0000000..ae0c884
--- /dev/null
+++ b/src/lib/seo/schema/breadcrumbSchema.ts
@@ -0,0 +1,84 @@
+import { BreadcrumbListSchema } from './types';
+
+interface BreadcrumbItem {
+  name: string;
+  url?: string;  // Optional for last item (current page)
+}
+
+/**
+ * Generate BreadcrumbList schema (JSON-LD)
+ * Pure function - takes breadcrumb items, returns schema object
+ * 
+ * @param items - Array of breadcrumb items with name and optional URL
+ * @returns BreadcrumbListSchema object
+ * @example
+ * const breadcrumbs = [
+ *   { name: 'Home', url: 'https://example.com' },
+ *   { name: 'Products', url: 'https://example.com/products' },
+ *   { name: 'Product Name' }  // Current page (no URL)
+ * ];
+ * const schema = generateBreadcrumbSchema(breadcrumbs);
+ */
+export function generateBreadcrumbSchema(
+  items: BreadcrumbItem[]
+): BreadcrumbListSchema {
+  return {
+    '@context': 'https://schema.org',
+    '@type': 'BreadcrumbList',
+    itemListElement: items.map((item, index) => ({
+      '@type': 'ListItem',
+      position: index + 1,
+      name: item.name,
+      ...(item.url && { item: item.url }),  // Only include item if URL exists
+    })),
+  };
+}
+
+/**
+ * Generate standard breadcrumbs for product pages
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Locale code
+ * @param productName - Product name
+ * @param productSlug - Product slug
+ * @returns BreadcrumbListSchema object
+ */
+export function generateProductBreadcrumbs(
+  baseUrl: string,
+  locale: string,
+  productName: string,
+  productSlug: string
+): BreadcrumbListSchema {
+  const localePrefix = locale === 'sr' ? '' : `/${locale}`;
+  
+  const items: BreadcrumbItem[] = [
+    { name: 'Home', url: `${baseUrl}${localePrefix || '/'}` },
+    { name: 'Products', url: `${baseUrl}${localePrefix}/products` },
+    { name: productName },  // Current page
+  ];
+
+  return generateBreadcrumbSchema(items);
+}
+
+/**
+ * Generate breadcrumbs for static pages
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Locale code
+ * @param pageName - Current page name
+ * @returns BreadcrumbListSchema object
+ */
+export function generatePageBreadcrumbs(
+  baseUrl: string,
+  locale: string,
+  pageName: string
+): BreadcrumbListSchema {
+  const localePrefix = locale === 'sr' ? '' : `/${locale}`;
+  
+  const items: BreadcrumbItem[] = [
+    { name: 'Home', url: `${baseUrl}${localePrefix || '/'}` },
+    { name: pageName },  // Current page
+  ];
+
+  return generateBreadcrumbSchema(items);
+}
diff --git a/src/lib/seo/schema/index.ts b/src/lib/seo/schema/index.ts
new file mode 100644
index 0000000..f4bf9e2
--- /dev/null
+++ b/src/lib/seo/schema/index.ts
@@ -0,0 +1,31 @@
+/**
+ * SEO Schema Module
+ * JSON-LD structured data generation for SEO
+ */
+
+// Types
+export type {
+  ProductSchema,
+  ReviewSchema,
+  OrganizationSchema,
+  WebSiteSchema,
+  BreadcrumbListSchema,
+  SchemaType,
+} from './types';
+
+// Schema generators (pure functions)
+export {
+  generateProductSchema,
+  generateCategorizedProductSchema,
+} from './productSchema';
+
+export {
+  generateOrganizationSchema,
+  generateWebSiteSchema,
+} from './organizationSchema';
+
+export {
+  generateBreadcrumbSchema,
+  generateProductBreadcrumbs,
+  generatePageBreadcrumbs,
+} from './breadcrumbSchema';
diff --git a/src/lib/seo/schema/organizationSchema.ts b/src/lib/seo/schema/organizationSchema.ts
new file mode 100644
index 0000000..4a9a05e
--- /dev/null
+++ b/src/lib/seo/schema/organizationSchema.ts
@@ -0,0 +1,79 @@
+import { OrganizationSchema, WebSiteSchema } from './types';
+import { getBrandKeywords } from '../keywords';
+import { Locale } from '../keywords/types';
+
+interface OrganizationData {
+  logoUrl: string;
+  socialProfiles?: string[];
+  email?: string;
+}
+
+/**
+ * Generate Organization schema (JSON-LD)
+ * Pure function - takes data, returns schema object
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Locale code
+ * @param data - Organization data (logo, social links, etc.)
+ * @returns OrganizationSchema object
+ */
+export function generateOrganizationSchema(
+  baseUrl: string,
+  locale: Locale,
+  data: OrganizationData
+): OrganizationSchema {
+  const brandKeywords = getBrandKeywords(locale);
+  
+  const schema: OrganizationSchema = {
+    '@context': 'https://schema.org',
+    '@type': 'Organization',
+    name: brandKeywords.companyName,
+    url: baseUrl,
+    logo: data.logoUrl,
+    description: brandKeywords.tagline,
+  };
+
+  // Add social profiles if provided
+  if (data.socialProfiles && data.socialProfiles.length > 0) {
+    schema.sameAs = data.socialProfiles;
+  }
+
+  // Add contact point if email provided
+  if (data.email) {
+    schema.contactPoint = [{
+      '@type': 'ContactPoint',
+      contactType: 'customer service',
+      email: data.email,
+      availableLanguage: [locale.toUpperCase()],
+    }];
+  }
+
+  return schema;
+}
+
+/**
+ * Generate WebSite schema (JSON-LD)
+ * Includes search action for site search
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Locale code
+ * @returns WebSiteSchema object
+ */
+export function generateWebSiteSchema(
+  baseUrl: string,
+  locale: Locale
+): WebSiteSchema {
+  const brandKeywords = getBrandKeywords(locale);
+  
+  return {
+    '@context': 'https://schema.org',
+    '@type': 'WebSite',
+    name: brandKeywords.companyName,
+    url: baseUrl,
+    potentialAction: {
+      '@type': 'SearchAction',
+      target: `${baseUrl}/search?q={search_term_string}`,
+      'query-input': 'required name=search_term_string',
+    },
+  };
+}
diff --git a/src/lib/seo/schema/productSchema.ts b/src/lib/seo/schema/productSchema.ts
new file mode 100644
index 0000000..38d65e3
--- /dev/null
+++ b/src/lib/seo/schema/productSchema.ts
@@ -0,0 +1,104 @@
+import { ProductSchema } from './types';
+import { Locale } from '../keywords/types';
+import { getBrandKeywords, getCategoryKeywords } from '../keywords';
+
+interface ProductData {
+  name: string;
+  slug: string;
+  description: string;
+  images: string[];
+  price: {
+    amount: number;
+    currency: string;
+  };
+  sku?: string;
+  availability?: 'InStock' | 'OutOfStock' | 'PreOrder';
+  category?: string;
+  rating?: {
+    value: number;
+    count: number;
+  };
+}
+
+/**
+ * Generate Product schema (JSON-LD)
+ * Pure function - takes product data, returns schema object
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Locale code
+ * @param product - Product data
+ * @returns ProductSchema object
+ */
+export function generateProductSchema(
+  baseUrl: string,
+  locale: Locale,
+  product: ProductData
+): ProductSchema {
+  const brandKeywords = getBrandKeywords(locale);
+  const productUrl = `${baseUrl}/${locale === 'sr' ? '' : locale + '/'}products/${product.slug}`;
+  
+  // Build full image URLs
+  const imageUrls = product.images.map(img => 
+    img.startsWith('http') ? img : `${baseUrl}${img}`
+  );
+
+  const schema: ProductSchema = {
+    '@context': 'https://schema.org',
+    '@type': 'Product',
+    name: product.name,
+    image: imageUrls,
+    description: product.description.slice(0, 5000), // Schema.org limit
+    sku: product.sku,
+    brand: {
+      '@type': 'Brand',
+      name: brandKeywords.companyName,
+    },
+    offers: {
+      '@type': 'Offer',
+      url: productUrl,
+      price: product.price.amount.toString(),
+      priceCurrency: product.price.currency,
+      availability: `https://schema.org/${product.availability || 'InStock'}`,
+      itemCondition: 'https://schema.org/NewCondition',
+    },
+  };
+
+  // Add aggregate rating if available
+  if (product.rating && product.rating.count > 0) {
+    schema.aggregateRating = {
+      '@type': 'AggregateRating',
+      ratingValue: product.rating.value.toString(),
+      reviewCount: product.rating.count.toString(),
+    };
+  }
+
+  return schema;
+}
+
+/**
+ * Generate Product schema with category context
+ * Uses category-specific keywords for enhanced SEO
+ * 
+ * @param baseUrl - Site base URL
+ * @param locale - Locale code
+ * @param product - Product data
+ * @param categoryKey - Category key for keyword targeting
+ * @returns ProductSchema object
+ */
+export function generateCategorizedProductSchema(
+  baseUrl: string,
+  locale: Locale,
+  product: ProductData,
+  categoryKey: 'antiAging' | 'hydration' | 'glow' | 'sensitive' | 'natural' | 'organic'
+): ProductSchema {
+  const categoryKeywords = getCategoryKeywords(locale, categoryKey);
+  
+  // Enhance description with category keywords
+  const enhancedDescription = product.description + 
+    ' ' + categoryKeywords.slice(0, 3).join('. ');
+  
+  return generateProductSchema(baseUrl, locale, {
+    ...product,
+    description: enhancedDescription,
+  });
+}
diff --git a/src/lib/seo/schema/types.ts b/src/lib/seo/schema/types.ts
new file mode 100644
index 0000000..46b7dc0
--- /dev/null
+++ b/src/lib/seo/schema/types.ts
@@ -0,0 +1,85 @@
+/**
+ * JSON-LD Schema Types
+ * TypeScript definitions for structured data schemas
+ */
+
+export interface ProductSchema {
+  '@context': 'https://schema.org';
+  '@type': 'Product';
+  name: string;
+  image: string[];
+  description: string;
+  sku?: string;
+  brand: {
+    '@type': 'Brand';
+    name: string;
+  };
+  offers?: {
+    '@type': 'Offer';
+    url: string;
+    price: string;
+    priceCurrency: string;
+    availability: string;
+    itemCondition: string;
+  };
+  aggregateRating?: {
+    '@type': 'AggregateRating';
+    ratingValue: string;
+    reviewCount: string;
+  };
+  review?: ReviewSchema[];
+}
+
+export interface ReviewSchema {
+  '@type': 'Review';
+  author: {
+    '@type': 'Person';
+    name: string;
+  };
+  reviewRating: {
+    '@type': 'Rating';
+    ratingValue: string;
+  };
+  reviewBody: string;
+}
+
+export interface OrganizationSchema {
+  '@context': 'https://schema.org';
+  '@type': 'Organization';
+  name: string;
+  url: string;
+  logo: string;
+  description?: string;
+  sameAs?: string[];
+  contactPoint?: {
+    '@type': 'ContactPoint';
+    contactType: string;
+    email?: string;
+    availableLanguage?: string[];
+  }[];
+}
+
+export interface WebSiteSchema {
+  '@context': 'https://schema.org';
+  '@type': 'WebSite';
+  name: string;
+  url: string;
+  potentialAction?: {
+    '@type': 'SearchAction';
+    target: string;
+    'query-input': string;
+  };
+}
+
+export interface BreadcrumbListSchema {
+  '@context': 'https://schema.org';
+  '@type': 'BreadcrumbList';
+  itemListElement: {
+    '@type': 'ListItem';
+    position: number;
+    name: string;
+    item?: string;
+  }[];
+}
+
+export type SchemaType = ProductSchema | OrganizationSchema | WebSiteSchema | BreadcrumbListSchema;