パンくずリストの構造化データ data-vocabulary.org schema deprecated エラーの改善方法

1data-vocabulary.org のパンくずリストソースコード

1<ul>
2  <li itemscope itemtype="http://data-vocabulary.org/Breadcrumb">
3    <a href="https://example.com" itemprop="url">
4      <span itemprop="title">ホーム</span>
5    </a>
6  </li>
7  <li itemscope itemtype="http://data-vocabulary.org/Breadcrumb">
8    <span itemprop="title">サービス</span>
9  </li>
10</ul>

1Schema.org に修正したパンくずリストソースコード

1<ol itemscope itemtype="http://schema.org/BreadcrumbList">
2  <li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
3    <a itemprop="item" href="https://example.com">
4      <span itemprop="name">ホーム</span>
5    </a>
6    <meta itemprop="position" content="1" />
7  </li>
8  <li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">
9    <span itemprop="name">サービス</span>
10    <meta itemprop="position" content="2" />
11  </li>
12</ol>

1JSON-LD のパンくずリストソースコード

1<ul>
2  <li>
3    <a href="https://example.com">ホーム</a>
4  </li>
5  <li>サービス</li>
6</ul>
7<script type="application/ld+json">
8	{
9		"@context": "http://schema.org",
10		"@type": "BreadcrumbList",
11		"itemListElement": [
12		{
13			"@type": "ListItem",
14			"position": 1,
15			"item": {
16				"@id": "https://example.com",
17				"name": "ホーム",
18				"image": "http://example.com/images/icon-home.png"
19				}
20		},{
21			"@type": "ListItem",
22			"position": 2,
23			"item": {
24				"@id": "https://example.com/service",
25				"name": "サービス",
26				"image": "http://example.com/images/icon-service.png"
27			}
28		},{
29			<p>中略</p>
30			}
31		}]
32	}
33</script>

1Wordpress JSON-LD 対応のパンくずリストソースコード

1<!-- パンくず構造化 -->
2<?php
3$catarg = get_the_category();
4$catname = $catarg[0]->name;
5$catslug = $catarg[0]->slug;
6?>
7<?php if(is_home()): ?>
8<?php elseif(is_archive()): ?>
9<script type="application/ld+json">
10{
11  "@context": "https://schema.org",
12  "@type": "BreadcrumbList",
13  "itemListElement": [
14		{
15      "@type": "ListItem",
16      "position": 1,
17      "item": {
18        "@id": "<?php echo site_url(); ?>",
19        "name": "HOME"
20      }
21    }, {
22      "@type": "ListItem",
23      "position": 2,
24      "item": {
25        "@id": "<?php echo site_url().'/'.$catslug; ?>",
26        "name": "<?php echo $catname; ?>"
27      }
28    }
29  ]
30}
31</script>
32<?php elseif(is_single()): ?>
33<script type="application/ld+json">
34{
35  "@context": "https://schema.org",
36  "@type": "BreadcrumbList",
37  "itemListElement": [
38    {
39      "@type": "ListItem",
40      "position": 1,
41      "item": {
42        "@id": "<?php echo site_url(); ?>",
43        "name": "HOME"
44      }
45    }
46, {
47      "@type": "ListItem",
48      "position": 2,
49      "item": {
50        "@id": "<?php echo site_url().'/'.$catslug; ?>",
51        "name": "<?php echo $catname; ?>"
52      }
53    }
54, {
55      "@type": "ListItem",
56      "position": 3,
57      "item": {
58        "@id": "<?php echo post_permalink(); ?>",
59        "name": "<?php echo get_the_title(); ?>"
60      }
61    }
62  ]
63}
64</script>
65<?php elseif(is_page()): ?>
66<script type="application/ld+json">
67{
68  "@context": "https://schema.org",
69  "@type": "BreadcrumbList",
70  "itemListElement": [
71    {
72      "@type": "ListItem",
73      "position": 1,
74      "item": {
75        "@id": "<?php echo site_url(); ?>",
76        "name": "HOME"
77      }
78    }, {
79      "@type": "ListItem",
80      "position": 2,
81      "item": {
82        "@id": "<?php echo post_permalink(); ?>",
83        "name": "<?php echo get_the_title(); ?>"
84      }
85    }
86  ]
87}
88</script>
89<?php endif; ?>