Hugo ld+json example

gistfile1.html

<script type="application/ld+json">
{{ if .IsPage }}{ 
    "@context": "http://schema.org", 
    "@type": "BlogPosting",
    "headline": "{{ .Title }}",
    "genre": "{{ range .Params.categories }}{{ . }}{{ end }}",  
    "url": "{{ .Permalink }}",
    "datePublished": "{{ (time .Date).Format "2006-01-02T15:04:05-0700" | safeHTML }}",
    "description": "{{ .Summary }}",
    "author": {
        "@type": "Person",
        "name": "{{ .Site.Params.author }}"
    }
}{{ else }}{ 
    "@context": "http://schema.org", 
    "@type": "WebSite", 
    "url": "{{ .Permalink }}", 
    "name": "{{ .Site.Title }}",
    "author": {
        "@type": "Person",
        "name": "{{ .Site.Params.author }}"
    },
    "description": "{{ .Site.Params.description }}",
}{{ end }}
</script>