SEO למציאות רבודה וחיפוש ויזואלי

{
  "@context": "https://schema.org",
  "@type": "3DModel",
  "name": "ספה מודרנית",
  "description": "ספה תלת-מושבית בצבע אפור",
  "image": "sofa-preview.jpg",
  "encoding": [
    {
      "@type": "MediaObject",
      "contentUrl": "model.glb",
      "encodingFormat": "model/gltf-binary"
    }
  ],
  "isAccessibleForFree": true,
  "usageInfo": "AR try-before-you-buy"
}

<meta name="ar:experience" content="try-on,placement" />
<meta name="ar:model" content="model.usdz" />
<meta name="ar:ios-app-store-id" content="1234567890" />
<meta property="og:ar:model" content="model.glb" />
<meta name="twitter:app:name:iphone" content="AR App" />
<meta name="visual-search:category" content="furniture" />
<meta name="visual-search:brand" content="Brand Name" />

// Progressive loading של מודלים AR
const ModelLoader = {
  async loadModel(url, options = {}) {
    // טעינה מותנית לפי יכולות המכשיר
    const deviceCapability = await this.checkDeviceCapability();
    
    if (deviceCapability.isHighEnd) {
      return this.loadHighQualityModel(url);
    } else {
      return this.loadOptimizedModel(url);
    }
  },
  
  checkDeviceCapability() {
    const canvas = document.createElement('canvas');
    const gl = canvas.getContext('webgl2');
    
    return {
      isHighEnd: gl && gl.getParameter(gl.MAX_TEXTURE_SIZE) >= 4096,
      supportsAR: 'xr' in navigator,
      ram: navigator.deviceMemory || 4
    };
  }
};