diff --git a/config.toml b/config.toml
index 4c95c20..f3e8c49 100644
--- a/config.toml
+++ b/config.toml
@@ -9,10 +9,12 @@ DefaultContentLanguage = "en"
   languageCode = "en-us"
   languageName = "English"
   favicon = "favicon.ico"
-  url = "http://pmpc.mehl.mx/"
-  image_url = "http://pmpc.mehl.mx/img/header.jpg"
-  fb_admin = "mehl.max"
+  url = "http://pmpc.mehl.mx"
 
+[params.sharemeta]
+  previewImage = "img/header.jpg"
+  fbPageID = "336939393138306"
+  twitterUser = "@fsfe"
 
 # Navigation
 [params.navigation]
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 0f2b29b..b285773 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -13,18 +13,21 @@
 
 {{ "<!-- Facebook meta-data -->" | safeHTML }}
 <meta property="og:title" content="{{ .Site.Title }}"/>
-<meta property="og:type" content="website"/>
-<meta property="og:image" content="{{ .Site.Params.image_url }}"/>
 <meta property="og:url" content="{{ .Site.Params.url }}"/>
+<meta property="og:image" content="{{ .Site.Params.url }}/{{ .Site.Params.Sharemeta.previewImage }}"/>
 <meta property="og:description" content="{{ .Site.Params.description }}"/>
-<meta property="fb:admins" content="{{ .Site.Params.fb_admin }}"/>
+<meta property="og:type" content="website"/>
+<meta property="og:locale" content="{{ .Lang }}"/>
+<meta property="fb:page_id" content="{{ .Site.Params.Sharemeta.fbPageID }}"/>
 
 {{ "<!-- Twitter meta-data -->" | safeHTML }}
-<meta name="twitter:card" content="summary">
-<meta name="twitter:url" content="{{ .Site.Params.url }}">
 <meta name="twitter:title" content="{{ .Site.Title }}">
+<meta name="twitter:url" content="{{ .Site.Params.url }}">
+<meta name="twitter:image" content="{{ .Site.Params.url }}/{{ .Site.Params.Sharemeta.previewImage }}">
 <meta name="twitter:description" content="{{ .Site.Params.description }}">
-<meta name="twitter:image" content="{{ .Site.Params.image_url }}">
+<meta name="twitter:card" content="summary">
+<meta name="twitter:site" content="{{ .Site.Params.Sharemeta.twitterUser }}">
+<meta name="twitter:creator" content="{{ .Site.Params.Sharemeta.twitterUser }}">
 
 {{ "<!-- Favicon -->" | safeHTML }}
 <link rel="shortcut icon" href="{{ .Site.Params.favicon | absURL }}">