JSON-LDでパンくずリストを投稿以外にも簡単に設定する方法

<b:if cond='data:blog.pageType != &quot;item&quot; and data:blog.pageName != &quot;&quot;'>
<script type="application/ld+json">{
  "@context": "http://schema.org",
  "@type": "BreadcrumbList",
  "itemListElement":
  [
    {
      "@type": "ListItem",
      "position": 1,
      "item":
      {
        "@id": "<data:blog.homepageUrl/>",
        "name": "<data:blog.title/>"
      }
    },
    {
      "@type": "ListItem",
      "position": 2,
      "item":
      {
        "@id": "<data:blog.url/>",
        "name": "<data:blog.pageName/>"
      }
    }
  ]
}</script>
</b:if>

<script type='application/ld+json'>{
  "@context": "http://schema.org",
  "@type": "BreadcrumbList",
  "itemListElement":
  [
    {
      "@type": "ListItem",
      "position": 1,
      "item":
      {
        "@id": "https://googlebloggertrouble.blogspot.com/",
        "name": "Google Blogger 問題解決"
      }
    },
    {
      "@type": "ListItem",
      "position": 2,
      "item":
      {
        "@id": "https://googlebloggertrouble.blogspot.com/p/sitemap.html",
        "name": "サイトマップ"
      }
    }
  ]
}</script>