<!– begin _includes/seo.html –> {%- if site.url -%}
{%- assign seo_url = site.url | append: site.baseurl -%}
{%- endif -%} {%- assign seo_url = seo_url | default: site.github.url -%}
{% assign title_separator = site.title_separator | default: '-' | replace: '|', '|' %}
{%- if page.title -%}
{%- assign seo_title = page.title | append: " " | append: title_separator | append: " " | append: site.title -%}
{%- endif -%}
{%- if seo_title -%}
{%- assign seo_title = seo_title | markdownify | strip_html | strip_newlines | escape_once -%}
{%- endif -%}
{% if page.canonical_url %}
{%- assign canonical_url = page.canonical_url %}
{% else %}
{%- assign canonical_url = page.url | replace: "index.html", "" | absolute_url %}
{% endif %}
{%- assign seo_description = page.description | default: page.excerpt | default: site.description -%} {%- if seo_description -%}
{%- assign seo_description = seo_description | markdownify | strip_html | newline_to_br | strip_newlines | replace: '<br />', ' ' | escape_once | strip -%}
{%- endif -%}
{%- assign author = page.author | default: page.authors | default: site.author -%} {%- assign author = site.data.authors | default: author -%}
{%- if author.twitter -%}
{%- assign author_twitter = author.twitter | replace: "@", "" -%}
{%- endif -%}
{%- assign page_large_image = page.header.og_image | default: page.header.overlay_image | default: page.header.image | absolute_url -%} {%- assign page_large_image = page_large_image | escape -%}
{%- assign page_teaser_image = page.header.teaser | default: site.og_image | absolute_url -%} {%- assign page_teaser_image = page_teaser_image | escape -%}
{%- assign site_og_image = site.og_image | absolute_url -%} {%- assign site_og_image = site_og_image | escape -%}
{%- if page.date -%}
{%- assign og_type = "article" -%}
{%- else -%}
{%- assign og_type = "website" -%}
{%- endif -%}
<title>{{ seo_title | default: site.title }}{% if paginator %}{% unless paginator.page == 1 %} {{ title_separator }} {{ site.data.ui-text.page | default: “Page” }} {{ paginator.page }}{% endunless %}{% endif %}</title> <meta name=“description” content=“{{ seo_description }}”>
{% if author.name %}
<meta name="author" content="{{ author.name | default: author }}"> {% if og_type == "article" %} <meta property="article:author" content="{{ author.name | default: author }}"> {% endif %}
{% endif %}
<meta property=“og:type” content=“{{ og_type }}”> <meta property=“og:locale” content=“{{ site.locale | replace: ”-“, ”_“ | default: ”en_US“ }}”> <meta property=“og:site_name” content=“{{ site.title }}”> <meta property=“og:title” content=“{{ page.title | default: site.title | markdownify | strip_html | strip_newlines | escape_once }}”> <meta property=“og:url” content=“{{ canonical_url }}”>
{% if seo_description %}
<meta property="og:description" content="{{ seo_description }}">
{% endif %}
{% if page_large_image %}
<meta property="og:image" content="{{ page_large_image }}">
{% elsif page_teaser_image %}
<meta property="og:image" content="{{ page_teaser_image }}">
{% endif %}
{% if site.twitter.username %}
<meta name="twitter:site" content="@{{ site.twitter.username | replace: "@", "" }}"> <meta name="twitter:title" content="{{ page.title | default: site.title | markdownify | strip_html | strip_newlines | escape_once }}"> <meta name="twitter:description" content="{{ seo_description }}"> <meta name="twitter:url" content="{{ canonical_url }}"> {% if page_large_image %} <meta name="twitter:card" content="summary_large_image"> <meta name="twitter:image" content="{{ page_large_image }}"> {% else %} <meta name="twitter:card" content="summary"> {% if page_teaser_image %} <meta name="twitter:image" content="{{ page_teaser_image }}"> {% endif %} {% endif %} {% if author_twitter %} <meta name="twitter:creator" content="@{{ author_twitter }}"> {% endif %}
{% endif %}
{% if page.date %}
<meta property="article:published_time" content="{{ page.date | date_to_xmlschema }}">
{% endif %}
{% if og_type == “article” and page.last_modified_at %}
<meta property="article:modified_time" content="{{ page.last_modified_at | date_to_xmlschema }}">
{% endif %}
{% 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 %}
{% endif %}
<link rel=“canonical” href=“{{ canonical_url }}”>
{% if paginator.previous_page %}
<link rel="prev" href="{{ paginator.previous_page_path | absolute_url }}">
{% endif %} {% if paginator.next_page %}
<link rel="next" href="{{ paginator.next_page_path | absolute_url }}">
{% endif %}
<script type=“application/ld+json”>
{ "@context": "https://schema.org", {% if site.social.type == "Organization" %} "@type": "Organization", "url": {{ '/' | absolute_url | jsonify }}{% if site.og_image %}, "logo": {{ site_og_image | jsonify }}{% endif %} {% else %} "@type": "Person", "name": {{ site.social.name | default: site.name | jsonify }}, "url": {{ '/' | absolute_url |jsonify }}{% if site.social.links %}, "sameAs": {{ site.social.links | jsonify }}{% endif %} {% endif %} }
</script>
{% if site.google_site_verification %}
<meta name="google-site-verification" content="{{ site.google_site_verification }}" />
{% endif %} {% if site.bing_site_verification %}
<meta name="msvalidate.01" content="{{ site.bing_site_verification }}">
{% endif %} {% if site.alexa_site_verification %}
<meta name="alexaVerifyID" content="{{ site.alexa_site_verification }}">
{% endif %} {% if site.yandex_site_verification %}
<meta name="yandex-verification" content="{{ site.yandex_site_verification }}">
{% endif %} {% if site.naver_site_verification %}
<meta name="naver-site-verification" content="{{ site.naver_site_verification }}">
{% endif %} {% if site.baidu_site_verification %}
<meta name="baidu-site-verification" content="{{ site.baidu_site_verification }}">
{% endif %} <!– end _includes/seo.html –>