kinnstudio.com — 2026 GMC Schema Audit (78/100) & JSON-LD Fix

12-Point GMC 2026 Readiness Score -22 pts Deducted

78/100

Revenue Risk: 15% - 25% Google Shopping Enhancement Suppression

• GMC 2026 (-8 pts): Missing global barcode (gtin13 / mpn) in JSON-LD.
• GMC 2026 (-6 pts): Missing hasMerchantReturnPolicy in Offer.
• GMC 2026 (-6 pts): Missing shippingDetails in Offer.
• REVIEWS (-2 pts): On-page customer reviews exist but aggregateRating is missing in JSON-LD.

After SchemaGuard 2026 Remediation 100/100 VERIFIED

100/100

100% Automated for Shopify OS 2.0 (SchemaGuard Pro v3.0): resolves Variant #1 Out-Of-Stock Traps, deduplicates conflicting Product blocks via canonical @id, and deploys verified 2026 hasMerchantReturnPolicy, shippingDetails, and GS1 GTIN / MPN Safe Mode.

Tier 1 ($9 Starter + Bonus Section) & Tier 2 ($29 Theme .ZIP Auto-Patcher) Tier 3 ($99 Enterprise GMC .TSV Studio + All-Pages Collector + llms.txt + 100-Store Agency)

❌ Broken Live Schema (78/100) Missing: gtin, hasMerchantReturnPolicy, shippingDetails

<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "Esme Fancy Shape Diamond Tennis Necklace White Gold",
  "image": [
    "https://cdn.shopify.com/s/files/1/2070/3189/files/kinn_14k_gold_fine_jewelry_Esme_fancy_Chape_Diamond_Tennis_Necklace_White_Gold_1.jpg?v=1793223498"
  ],
  "brand": {
    "@type": "Brand",
    "name": "Kinn"
  },
  "sku": "THEME-RAW-SKU",
  "offers": {
    "@type": "Offer",
    "url": "https://kinnstudio.com/products/14k-white-gold-esme-fancy-shape-diamond-tennis-necklace",
    "availability": "https://schema.org/InStock",
    "price": "9980",
    "priceCurrency": "USD"
  }
}
</script>

✅ Fixed 100/100 GMC 2026 JSON-LD Patch

<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Product",
  "name": "Esme Fancy Shape Diamond Tennis Necklace White Gold",
  "description": "A modern addition to our classic Tennis Collection, the Esme Fancy Shape Diamond Tennis Necklace features a mélange of round, oval, marquise, and emerald cut natural diamonds, each held in solid 14k gold prongs and linked in an unbroken line of light. Every shape catches the light in its own way, creating a necklace full of movement, texture, and brilliance from every angle. Worn alone as a statement or layered with",
  "image": [
    "https://cdn.shopify.com/s/files/1/2070/3189/files/kinn_14k_gold_fine_jewelry_Esme_fancy_Chape_Diamond_Tennis_Necklace_White_Gold_1.jpg?v=1793223498",
    "https://cdn.shopify.com/s/files/1/2070/3189/files/kinn_14k_gold_fine_jewelry_Esme_fancy_Chape_Diamond_Tennis_Necklace_2.jpg?v=1793221706",
    "https://cdn.shopify.com/s/files/1/2070/3189/files/kinn_14k_gold_fine_jewelry_Esme_fancy_Chape_Diamond_Tennis_Necklace_White_Gold_2.jpg?v=1793223498",
    "https://cdn.shopify.com/s/files/1/2070/3189/files/kinn_14k_gold_fine_jewelry_Maison_Round_Locket_Box_Chain_Necklace_Esme_Tennis_Necklace_1.jpg?v=1793131900"
  ],
  "sku": "NE-FANTEN-DIA-LAB-WG-16",
  "mpn": "NE-FANTEN-DIA-LAB-WG-16",
  "gtin13": "0085001032606",
  "brand": {
    "@type": "Brand",
    "name": "Kinn"
  },
  "aggregateRating": {
    "@type": "AggregateRating",
    "ratingValue": "4.9",
    "reviewCount": 48,
    "bestRating": "5",
    "worstRating": "1"
  },
  "offers": {
    "@type": "Offer",
    "url": "https://kinnstudio.com/products/14k-white-gold-esme-fancy-shape-diamond-tennis-necklace",
    "priceCurrency": "USD",
    "price": "9980",
    "availability": "https://schema.org/InStock",
    "itemCondition": "https://schema.org/NewCondition",
    "hasMerchantReturnPolicy": {
      "@type": "MerchantReturnPolicy",
      "applicableCountry": "US",
      "returnPolicyCategory": "https://schema.org/MerchantReturnFiniteReturnWindow",
      "merchantReturnDays": 30,
      "returnMethod": "https://schema.org/ReturnByMail",
      "returnFees": "https://schema.org/FreeReturn"
    },
    "shippingDetails": {
      "@type": "OfferShippingDetails",
      "shippingRate": {
        "@type": "MonetaryAmount",
        "value": "0.00",
        "currency": "USD"
      },
      "shippingDestination": {
        "@type": "DefinedRegion",
        "addressCountry": "US"
      }
    }
  },
  "@id": "https://kinnstudio.com/products/14k-white-gold-esme-fancy-shape-diamond-tennis-necklace#schemaguard-2026"
}
</script>

Unified Schema Diff (Before 78/100 vs After 100/100)

--- BEFORE: kinnstudio.com (Score: 78/100, Blocks: 1)
+++ AFTER:  kinnstudio.com (Verified 100/100 SchemaGuard 2026 Patch)
@@ -1,10 +1,18 @@
 {
   "@context": "https://schema.org/",
   "@type": "Product",
+  "@id": "https://kinnstudio.com/products/14k-white-gold-esme-fancy-shape-diamond-tennis-necklace#schemaguard-2026",
   "name": "Esme Fancy Shape Diamond Tennis Necklace White Gold",
+  "sku": "NE-FANTEN-DIA-LAB-WG-16",
+  "gtin13": "0085001032606",
+  "brand": { "@type": "Brand", "name": "Kinn" },
   "offers": {
-    "availability": "https://schema.org/InStock"
+    "availability": "https://schema.org/InStock",
+    "hasMerchantReturnPolicy": { "@type": "MerchantReturnPolicy", "merchantReturnDays": 30, "returnFees": "https://schema.org/FreeReturn" },
+    "shippingDetails": { "@type": "OfferShippingDetails", "shippingRate": { "@type": "MonetaryAmount", "value": "0.00", "currency": "USD" } }
   }
 }

kinnstudio.com — 12-Point GMC 2026 Audit: 78/100