<!-- 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[0] | default: site.author -%} {%- assign author = site.data.authors[author] | 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[site.locale].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 -->