jekyll-seo-tag/lib/template.html

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<!-- Begin Jekyll SEO tag v{{ seo_tag.version }} -->
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{% if page.url == "/" or page.url == "/about/" %}
{% assign seo_homepage_or_about = true %}
{% endif %}
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{% if site.url %}
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{% assign seo_url = site.url | append: site.baseurl %}
{% endif %}
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{% assign seo_url = seo_url | default: site.github.url %}
{% assign seo_site_title = site.title | default: site.name %}
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{% if page.title %}
{% assign seo_title = page.title %}
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{% assign seo_page_title = page.title %}
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{% if seo_site_title %}
{% assign seo_title = seo_title | append:" - " | append: seo_site_title %}
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{% endif %}
{% elsif seo_site_title %}
{% assign seo_title = seo_site_title %}
{% assign seo_page_title = seo_site_title %}
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{% if site.description %}
{% assign seo_title = seo_title | append:" - " | append: site.description %}
{% endif %}
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{% endif %}
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{% if page.seo and page.seo.name %}
{% assign seo_name = page.seo.name %}
{% elsif seo_homepage_or_about and site.social and site.social.name %}
{% assign seo_name = site.social.name %}
{% elsif seo_homepage_or_about and seo_site_title %}
{% assign seo_name = seo_site_title %}
{% endif %}
{% if seo_name %}
{% assign seo_name = seo_name | markdownify | strip_html | strip_newlines | escape_once %}
{% endif %}
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{% if seo_title %}
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{% assign seo_title = seo_title | markdownify | strip_html | strip_newlines | escape_once %}
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{% endif %}
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{% if seo_site_title %}
{% assign seo_site_title = seo_site_title | markdownify | strip_html | strip_newlines | escape_once %}
{% endif %}
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{% if seo_page_title %}
{% assign seo_page_title = seo_page_title | markdownify | strip_html | strip_newlines | escape_once %}
{% endif %}
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{% assign seo_description = page.description | default: page.excerpt | default: site.description %}
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{% if seo_description %}
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{% assign seo_description = seo_description | markdownify | strip_html | strip_newlines | escape_once %}
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{% endif %}
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{% assign seo_author = page.author | default: page.authors[0] | default: site.author %}
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{% if seo_author %}
{% if seo_author.twitter %}
{% assign seo_author_twitter = seo_author.twitter %}
{% else %}
{% if site.data.authors and site.data.authors[seo_author] %}
{% assign seo_author_twitter = site.data.authors[seo_author].twitter %}
{% else %}
{% assign seo_author_twitter = seo_author %}
{% endif %}
{% endif %}
{% assign seo_author_twitter = seo_author_twitter | replace:"@","" %}
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{% endif %}
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{% if page.seo and page.seo.type %}
{% assign seo_type = page.seo.type %}
{% elsif seo_homepage_or_about %}
{% assign seo_type = "WebSite" %}
{% elsif page.date %}
{% assign seo_type = "BlogPosting" %}
{% else %}
{% assign seo_type = "WebPage" %}
{% endif %}
{% if page.seo and page.seo.links %}
{% assign seo_links = page.seo.links %}
{% elsif seo_homepage_or_about and site.social and site.social.links %}
{% assign seo_links = site.social.links %}
{% endif %}
{% if site.logo %}
{% assign seo_site_logo = site.logo | prepend: seo_url | escape %}
{% endif %}
{% if page.image %}
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{% assign seo_page_image = page.image.path | default: page.image.facebook | default: page.image | prepend: seo_url | escape %}
{% endif %}
{% if seo_tag.title and seo_title %}
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<title>{{ seo_title }}</title>
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{% endif %}
{% if seo_page_title %}
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<meta property="og:title" content="{{ seo_page_title }}" />
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{% endif %}
{% if seo_description %}
<meta name="description" content="{{ seo_description }}" />
<meta property="og:description" content="{{ seo_description }}" />
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{% endif %}
{% if seo_url %}
<link rel="canonical" href="{{ page.url | prepend: seo_url | replace:'/index.html','/' }}" />
<meta property="og:url" content="{{ page.url | prepend: seo_url | replace:'/index.html','/' }}" />
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{% endif %}
{% if seo_site_title %}
<meta property="og:site_name" content="{{ seo_site_title }}" />
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{% endif %}
{% if seo_page_image %}
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<meta property="og:image" content="{{ seo_page_image }}" />
{% if page.image.height %}
<meta property="og:image:height" content="{{ page.image.height }}" />
{% endif %}
{% if page.image.width %}
<meta property="og:image:width" content="{{ page.image.width }}" />
{% endif %}
{% endif %}
{% if page.image.twitter %}
<meta name="twitter:image" content="{{ page.image.twitter | prepend: seo_url | escape }}" />
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{% endif %}
{% if page.date %}
<meta property="og:type" content="article" />
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<meta property="article:published_time" content="{{ page.date | date_to_xmlschema }}" />
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{% if page.next.url %}
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<link rel="next" href="{{ page.next.url | prepend: seo_url | replace:'/index.html','/' }}" title="{{ page.next.title | escape }}" />
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{% endif %}
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{% if page.previous.url %}
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<link rel="prev" href="{{ page.previous.url | prepend: seo_url | replace:'/index.html','/' }}" title="{{ page.previous.title | escape }}" />
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{% endif %}
{% endif %}
{% if site.twitter %}
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{% if seo_page_image or page.image.twitter %}
<meta name="twitter:card" content="summary_large_image" />
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{% else %}
<meta name="twitter:card" content="summary" />
{% endif %}
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<meta name="twitter:site" content="@{{ site.twitter.username | replace:"@","" }}" />
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{% if seo_author_twitter %}
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<meta name="twitter:creator" content="@{{ seo_author_twitter }}" />
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{% endif %}
{% endif %}
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{% if site.facebook %}
{% if site.facebook.publisher %}
<meta property="article:publisher" content="{{ site.facebook.publisher }}" />
{% endif %}
{% if site.facebook.app_id %}
<meta property="fb:app_id" content="{{ site.facebook.app_id }}" />
{% endif %}
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{% endif %}
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{% if site.google_site_verification %}
<meta name="google-site-verification" content="{{ site.google_site_verification }}" />
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{% endif %}
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<script type="application/ld+json">
{
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"@context": "http://schema.org",
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{% if seo_type %}
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"@type": {{ seo_type | jsonify }},
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{% endif %}
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{% if seo_name %}
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"name": {{ seo_name | jsonify }},
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{% endif %}
{% if seo_page_title %}
"headline": {{ seo_page_title | jsonify }},
{% endif %}
{% if seo_page_image %}
"image": {{ seo_page_image | jsonify }},
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{% endif %}
{% if page.date %}
"datePublished": {{ page.date | date_to_xmlschema | jsonify }},
{% endif %}
{% if seo_description %}
"description": {{ seo_description | jsonify }},
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{% endif %}
{% if seo_site_logo %}
"logo": {{ seo_site_logo | jsonify }},
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{% endif %}
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{% if seo_links %}
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"sameAs": {{ seo_links | jsonify }},
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{% endif %}
"url": {{ page.url | prepend: seo_url | replace:'/index.html','/' | jsonify }}
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}
</script>
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<!-- End Jekyll SEO tag -->