feat(seo): add LD-JSON for some pages

macrat · Mar 24, 2024 · 04ad221 · 04ad221
1 parent 6729ec0
commit 04ad221
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Showing 10 changed files with 219 additions and 12 deletions.
diff --git a/builder/autoindex.go b/builder/autoindex.go
@@ -640,9 +640,9 @@ func (g *IndexGenerator) generateConfig(dst fs.Writable, as ArticleList, conf Co
 	routes = append(routes, Route{
 		Handle: "miss",
 	}, Route{
-		Src: "/(.*)",
-		Dest: "/404.html",
-		Check: true,
+		Src:    "/(.*)",
+		Dest:   "/404.html",
+		Check:  true,
 		Status: 404,
 	})
 

diff --git a/builder/photos.go b/builder/photos.go
@@ -62,7 +62,7 @@ func (c PhotoConverter) Convert(dst fs.Writable, src Source, conf Config) (Artif
 		}
 	}
 
-	if err := img.SetArtist("SHIDA Yuma (aka. MacRat)", meta.DateTime.Format("(c)2006 MacRat")); err != nil {
+	if err := img.SetArtist("SHIDA Yuma (aka. MacRat)", meta.DateTime.Format("CC-BY (c)2006 MacRat")); err != nil {
 		return nil, err
 	}
 

diff --git a/builder/template.go b/builder/template.go
@@ -4,6 +4,8 @@ import (
 	"html/template"
 	"math"
 	"path/filepath"
+	"strconv"
+	"strings"
 	"sync"
 )
 
@@ -41,6 +43,16 @@ func NewTemplateLoader(basePath string) (*TemplateLoader, error) {
 			}
 			return x
 		},
+		"zfill": func(x, n int) string {
+			s := strconv.Itoa(x)
+			if len(s) >= n {
+				return s
+			}
+			return strings.Repeat("0", n-len(s)) + s
+		},
+		"concat": func(s ...string) string {
+			return strings.Join(s, "")
+		},
 		"escapetag": EscapeTag,
 		"tagsize": func(n int) int {
 			return int(math.Ceil(math.Sqrt(math.Sqrt(float64(n))) * 100))

diff --git a/templates/blog/index.html b/templates/blog/index.html
@@ -2,6 +2,37 @@
 
 {{define "description"}}Blanktarに掲載されたブログ記事一覧の{{.TotalPages}}ページ中{{.Page}}ページ目。{{end}}
 
+{{define "head"}}
+    <script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "BreadcrumbList",
+    "itemListElement": [
+        {
+            "@type": "ListItem",
+            "position": 1,
+            "name": "blanktar.jp",
+            "item": "https://blanktar.jp"
+        },
+        {
+            "@type": "ListItem",
+            "position": 2,
+            "name": "blog",
+            "item": "https://blanktar.jp/blog"
+        {{if gt .Page 1}},
+            },
+            {
+                "@type": "ListItem",
+                "position": 3,
+                "name": "{{.Page}}",
+                "item": "https://blanktar.jp/blog/{{.Page}}"
+        {{end}}
+        }
+    ]
+}
+    </script>
+{{end}}
+
 {{/* <style> */}}
 {{define "style"}}
 .blog-articles {

diff --git a/templates/blog/month.html b/templates/blog/month.html
@@ -2,6 +2,41 @@
 
 {{define "description"}}Blanktarに掲載された{{.Year}}年{{.Month}}月のブログ記事一覧。{{end}}
 
+{{define "head"}}
+    <script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "BreadcrumbList",
+    "itemListElement": [
+        {
+            "@type": "ListItem",
+            "position": 1,
+            "name": "blanktar.jp",
+            "item": "https://blanktar.jp"
+        },
+        {
+            "@type": "ListItem",
+            "position": 2,
+            "name": "blog",
+            "item": "https://blanktar.jp/blog"
+        },
+        {
+            "@type": "ListItem",
+            "position": 3,
+            "name": "{{.Year}}",
+            "item": "https://blanktar.jp/blog/{{.Year}}"
+        },
+        {
+            "@type": "ListItem",
+            "position": 4,
+            "name": "{{zfill .Month 2}}",
+            "item": {{.URL}}
+        }
+    ]
+}
+    </script>
+{{end}}
+
 {{/* <style> */}}
 {{define "style"}}
 .articles-of-month {

diff --git a/templates/blog/post.html b/templates/blog/post.html
@@ -13,7 +13,7 @@
     {{if .Image}}
         "image": [
             {{range .Image}}
-                "{{.}}",
+                {{concat "https://blanktar.jp" .}},
             {{end}}
         ],
     {{end}}
@@ -38,20 +38,26 @@
         {
             "@type": "ListItem",
             "position": 2,
-            "name": "{{.Published.Format "2006"}}",
-            "item": "https://blanktar.jp/{{.Published.Format "2006"}}"
+            "name": "blog",
+            "item": "https://blanktar.jp/blog"
         },
         {
             "@type": "ListItem",
             "position": 3,
-            "name": "{{.Published.Format "01"}}",
-            "item": "https://blanktar.jp/{{.Published.Format "2006"}}/{{.Published.Format "01"}}"
+            "name": "{{.Published.Format "2006"}}",
+            "item": "https://blanktar.jp/blog/{{.Published.Format "2006"}}"
         },
         {
             "@type": "ListItem",
             "position": 4,
+            "name": "{{.Published.Format "01"}}",
+            "item": "https://blanktar.jp/blog/{{.Published.Format "2006"}}/{{.Published.Format "01"}}"
+        },
+        {
+            "@type": "ListItem",
+            "position": 5,
             "name": "{{.Title}}",
-            "item": "https://blanktar.jp{{.Path}}"
+            "item": {{.URL}}
         }
     ]
 }

diff --git a/templates/blog/year.html b/templates/blog/year.html
@@ -2,6 +2,35 @@
 
 {{define "description"}}Blanktarに掲載された{{.Year}}年のブログ記事一覧。{{end}}
 
+{{define "head"}}
+    <script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "BreadcrumbList",
+    "itemListElement": [
+        {
+            "@type": "ListItem",
+            "position": 1,
+            "name": "blanktar.jp",
+            "item": "https://blanktar.jp"
+        },
+        {
+            "@type": "ListItem",
+            "position": 2,
+            "name": "blog",
+            "item": "https://blanktar.jp/blog"
+        },
+        {
+            "@type": "ListItem",
+            "position": 3,
+            "name": "{{.Year}}",
+            "item": {{.URL}}
+        }
+    ]
+}
+    </script>
+{{end}}
+
 {{/* <style> */}}
 {{define "style"}}
 .articles-of-year {

diff --git a/templates/default.html b/templates/default.html
@@ -13,7 +13,7 @@
     {{if .Image}}
         "image": [
             {{range .Image}}
-                "{{.}}",
+                {{.}},
             {{end}}
         ],
     {{end}}
@@ -41,7 +41,7 @@
             "@type": "ListItem",
             "position": {{add (len .BreadCrumb) 1}},
             "name": "{{.Title}}",
-            "item": "https://blanktar.jp{{.Path}}"
+            "item": {{.URL}}
         }
     ]
 }

diff --git a/templates/photos/detail.html b/templates/photos/detail.html
@@ -4,6 +4,39 @@
 
 {{define "head"}}
     <meta property="og:image" content="https://blanktar.jp{{ index .VariantPathes 1920 }}>">
+
+    <script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "BreadcrumbList",
+    "itemListElement": [
+        {
+            "@type": "ListItem",
+            "position": 1,
+            "name": "blanktar.jp",
+            "item": "https://blanktar.jp"
+        },
+        {
+            "@type": "ListItem",
+            "position": 2,
+            "name": "photos",
+            "item": "https://blanktar.jp/photos"
+        },
+        {
+            "@type": "ListItem",
+            "position": 3,
+            "name": "{{.Metadata.DateTime.Year}}",
+            "item": "https://blanktar.jp/photos/{{.Metadata.DateTime.Year}}"
+        },
+        {
+            "@type": "ListItem",
+            "position": 4,
+            "name": "{{.Metadata.DateTime.Format "2006年01月02日"}}",
+            "item": {{.URL}}
+        }
+    ]
+}
+    </script>
 {{end}}
 
 {{/* <style> */}}
@@ -47,6 +80,22 @@
                     {{.Metadata.Comment}}
                 </div>
             {{end}}
+
+            {{.Path}}
+            <script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "ImageObject",
+    "contentUrl": {{concat "https://blanktar.jp/" .ImagePath}},
+    "license": "https://creativecommons.org/licenses/by/4.0/",
+    "creator": {
+        "@type": "Person",
+        "name": "MacRat",
+        "url": "https://blanktar.jp/about",
+    },
+    "creditText": "SHIDA Yuma (aka MacRat)",
+}
+            </script>
         </div>
     </article>
 {{end}}
diff --git a/templates/photos/index.html b/templates/photos/index.html
@@ -4,6 +4,37 @@
 
 {{define "description"}}MacRatが撮った写真{{end}}
 
+{{define "head"}}
+    <script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "BreadcrumbList",
+    "itemListElement": [
+        {
+            "@type": "ListItem",
+            "position": 1,
+            "name": "blanktar.jp",
+            "item": "https://blanktar.jp"
+        },
+        {
+            "@type": "ListItem",
+            "position": 2,
+            "name": "photos",
+            "item": "https://blanktar.jp/photos"
+        {{if ne .Path "photos"}}
+            },
+            {
+                "@type": "ListItem",
+                "position": 3,
+                "name": "{{.PageName}}",
+                "item": {{.URL}}
+        {{end}}
+        }
+    ]
+}
+    </script>
+{{end}}
+
 {{/* <style> */}}
 {{define "style"}}
 body {
@@ -85,6 +116,20 @@ <h2>{{$date}}</h2>
                         width="320"
                         height="320"
                         loading="lazy">
+                    <script type="application/ld+json">
+{
+    "@context": "https://schema.org",
+    "@type": "ImageObject",
+    "contentUrl": {{concat "https://blanktar.jp/" .ImagePath}},
+    "license": "https://creativecommons.org/licenses/by/4.0/",
+    "creator": {
+        "@type": "Person",
+        "name": "MacRat",
+        "url": "https://blanktar.jp/about",
+    },
+    "creditText": "SHIDA Yuma (aka MacRat)",
+}
+                    </script>
                 </a>
             </li>
         {{end}}