diff --git a/src/Tintin/Html/Templating.hs b/src/Tintin/Html/Templating.hs
--- a/src/Tintin/Html/Templating.hs
+++ b/src/Tintin/Html/Templating.hs
@@ -138,6 +138,47 @@
 tintinHeader info@Project.Info {..} Project.Page {..} =
   head_ $ do
     title_ ( toHtml $ name <> " - " <> title )
+    -- Twitter Card data
+    meta_ [ name_ "twitter:card"
+          , content_ "summary"
+          ]
+    meta_ [ name_ "twitter:site"
+          , content_ ("https://s3-eu-west-1.amazonaws.com/worldwideapps/assets/tintin-" <> (Text.toLower $ show color) <> ".png")
+
+          ]
+    meta_ [ name_ "twitter:title"
+          , content_ (name <> " - " <> title)
+          ]
+    meta_ [ name_ "twitter:description"
+          , content_ synopsis
+          ]
+    meta_ [ name_ "twitter:creator"
+          , content_ githubAuthor
+          ]
+    meta_ [ name_ "twitter:image"
+          , content_ ("https://s3-eu-west-1.amazonaws.com/worldwideapps/assets/tintin-" <> (Text.toLower $ show color) <> ".png")
+
+          ]
+    -- Open Graph data
+    meta_ [ itemprop_ "og:type"
+          , content_ "website"
+          ]
+    meta_ [ itemprop_ "og:site_name"
+          , content_ "theam"
+          ]
+    meta_ [ itemprop_ "og:title"
+          , content_ (name <> " - " <> title)
+          ]
+    meta_ [ itemprop_ "og:url"
+          , content_ githubLink
+          ]
+    meta_ [ itemprop_ "og:image"
+          , content_  ("https://s3-eu-west-1.amazonaws.com/worldwideapps/assets/tintin-" <> (Text.toLower $ show color) <> ".png")
+
+          ]
+    meta_ [ itemprop_ "og:description"
+          , content_ synopsis
+          ]
     link_ [ rel_ "stylesheet"
           , href_ "https://fonts.googleapis.com/css?family=IBM+Plex+Sans|Montserrat:500"
           ]
diff --git a/tintin.cabal b/tintin.cabal
--- a/tintin.cabal
+++ b/tintin.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 9942e552184b8b9d38d5dffd39d68aa5c5e04c7ffff9e1b3b3d797ff8ece6fb3
+-- hash: 5feba5bd5f3b7e1c0e46f36c336102e1fd5d1246df398f4d989bdb892ca8683b
 
 name:           tintin
-version:        1.4.5
+version:        1.4.6
 synopsis:       A softer alternative to Haddock
 description:    Please see the website <https://theam.github.io/tintin>
 category:       Documentation