diff --git a/config.yaml b/config.yaml
index fafd340..a2febe5 100644
--- a/config.yaml
+++ b/config.yaml
@@ -115,6 +115,9 @@ params:
         page: []
 
     opengraph:
+        # If true,'og:title' will set 'Title - SiteName' else will be just 'Title'.
+        # If this params not set, default will be 'false'.
+        title_include_site_name: false
         twitter:
             # Your Twitter username
             site:
diff --git a/layouts/partials/head/opengraph/provider/base.html b/layouts/partials/head/opengraph/provider/base.html
index 3e51d37..909a4b1 100644
--- a/layouts/partials/head/opengraph/provider/base.html
+++ b/layouts/partials/head/opengraph/provider/base.html
@@ -1,7 +1,13 @@
 {{- $title := partialCached "data/title" . .RelPermalink -}}
 {{- $description := partialCached "data/description" . .RelPermalink -}}
 
-<meta property='og:title' content='{{ $title }}'>
+<meta property='og:title' content='
+    {{- if (default false .Site.Params.opengraph.title_include_site_name) -}}
+        {{ $title }} - {{ .Site.Title }}
+    {{- else -}}
+        {{ $title }}
+    {{- end -}}
+'>
 <meta property='og:description' content='{{ $description }}'>
 <meta property='og:url' content='{{ .Permalink }}'>
 <meta property='og:site_name' content='{{ .Site.Title }}'>