2026年のSchema Markup：JSON-LD、リッチスニペット、AI Overviewsの完全ガイド

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "ProfessionalService",
      "@id": "https://itargetmarketing.ro/#business",
      "name": "ITargetMarketing",
      "url": "https://itargetmarketing.ro/",
      "telephone": "+40XXXXXXXXX",
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "Cluj-Napoca",
        "addressCountry": "RO"
      },
      "areaServed": "Romania",
      "sameAs": [
        "https://www.facebook.com/profile.php?id=61565706317412",
        "https://www.linkedin.com/company/itargetmarketing"
      ]
    },
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {"@type":"ListItem","position":1,"name":"ホーム","item":"https://itargetmarketing.ro/"},
        {"@type":"ListItem","position":2,"name":"Blog","item":"https://itargetmarketing.ro/blog"},
        {"@type":"ListItem","position":3,"name":"Schema Markup 2026","item":"https://itargetmarketing.ro/blog/schema-markup-2026"}
      ]
    }
  ]
}
</script>

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "Ce este Schema Markup?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Schema Markup は、ページのコンテンツの構造と文脈を検索エンジンに伝えるために使われる標準化された語彙 (Schema.org) です。"
      }
    },
    {
      "@type": "Question",
      "name": "Schema Markup はランキングに役立ちますか？",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Schema はランキングに直接影響しませんが、リッチスニペットによって CTR を高め、より良いエンゲージメントシグナルを通じて間接的にランキングを改善します。"
      }
    }
  ]
}
</script>

{
  "@type": "Article",
  "speakable": {
    "@type": "SpeakableSpecification",
    "cssSelector": [
      "h1",
      ".article-lead",  /* paragraful introductiv */
      "h2",
      ".callout.info"   /* boxele informative */
    ]
  }
}