diff --git a/static/build.html b/static/build.html
index 6ac85404..a9afe0ce 100644
--- a/static/build.html
+++ b/static/build.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" prefix="og: http://ogp.me/ns#">
     <head>
         <meta charset="utf-8"/>
         <title>Build | GrapheneOS</title>
@@ -7,7 +7,9 @@
         <meta name="theme-color" content="#212121"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <meta property="og:title" content="GrapheneOS build documentation"/>
+        <meta property="og:type" content="website"/>
         <meta property="og:image" content="https://grapheneos.org/graphene.png"/>
+        <meta property="og:url" content="https://grapheneos.org/build"/>
         <meta property="og:site_name" content="GrapheneOS"/>
         <link rel="stylesheet" href="/grapheneos.css?0"/>
         <link rel="manifest" href="/manifest.webmanifest"/>
diff --git a/static/contact.html b/static/contact.html
index 0a30b52e..8e31eb5b 100644
--- a/static/contact.html
+++ b/static/contact.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" prefix="og: http://ogp.me/ns#">
     <head>
         <meta charset="utf-8"/>
         <title>Contact | GrapheneOS</title>
@@ -7,7 +7,9 @@
         <meta name="theme-color" content="#212121"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <meta property="og:title" content="GrapheneOS contact information"/>
+        <meta property="og:type" content="website"/>
         <meta property="og:image" content="https://grapheneos.org/graphene.png"/>
+        <meta property="og:url" content="https://grapheneos.org/contact"/>
         <meta property="og:site_name" content="GrapheneOS"/>
         <link rel="stylesheet" href="/grapheneos.css?0"/>
         <link rel="manifest" href="/manifest.webmanifest"/>
diff --git a/static/donate.html b/static/donate.html
index 48b9cc1d..cde92b7e 100644
--- a/static/donate.html
+++ b/static/donate.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" prefix="og: http://ogp.me/ns#">
     <head>
         <meta charset="utf-8"/>
         <title>Donate | GrapheneOS</title>
@@ -7,7 +7,9 @@
         <meta name="theme-color" content="#212121"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <meta property="og:title" content="GrapheneOS donations"/>
+        <meta property="og:type" content="website"/>
         <meta property="og:image" content="https://grapheneos.org/graphene.png"/>
+        <meta property="og:url" content="https://grapheneos.org/donate"/>
         <meta property="og:site_name" content="GrapheneOS"/>
         <link rel="stylesheet" href="/grapheneos.css?0"/>
         <link rel="manifest" href="/manifest.webmanifest"/>
diff --git a/static/index.html b/static/index.html
index 6eeada94..2fcb48dc 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" prefix="og: http://ogp.me/ns#">
     <head>
         <meta charset="utf-8"/>
         <title>GrapheneOS</title>
@@ -7,7 +7,9 @@
         <meta name="theme-color" content="#212121"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <meta property="og:title" content="GrapheneOS"/>
+        <meta property="og:type" content="website"/>
         <meta property="og:image" content="https://grapheneos.org/graphene.png"/>
+        <meta property="og:url" content="https://grapheneos.org/"/>
         <meta property="og:site_name" content="GrapheneOS"/>
         <link rel="stylesheet" href="/grapheneos.css?0"/>
         <link rel="manifest" href="/manifest.webmanifest"/>
diff --git a/static/install.html b/static/install.html
index 0e522f72..e7deac25 100644
--- a/static/install.html
+++ b/static/install.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" prefix="og: http://ogp.me/ns#">
     <head>
         <meta charset="utf-8"/>
         <title>Install | GrapheneOS</title>
@@ -7,7 +7,9 @@
         <meta name="theme-color" content="#212121"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <meta property="og:title" content="GrapheneOS install documentation"/>
+        <meta property="og:type" content="website"/>
         <meta property="og:image" content="https://grapheneos.org/graphene.png"/>
+        <meta property="og:url" content="https://grapheneos.org/install"/>
         <meta property="og:site_name" content="GrapheneOS"/>
         <link rel="stylesheet" href="/grapheneos.css?0"/>
         <link rel="manifest" href="/manifest.webmanifest"/>
diff --git a/static/releases.html b/static/releases.html
index 9e3d7312..464df7ab 100644
--- a/static/releases.html
+++ b/static/releases.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" prefix="og: http://ogp.me/ns#">
     <head>
         <meta charset="utf-8"/>
         <title>Releases | GrapheneOS</title>
@@ -7,7 +7,9 @@
         <meta name="theme-color" content="#212121"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <meta property="og:title" content="GrapheneOS releases"/>
+        <meta property="og:type" content="website"/>
         <meta property="og:image" content="https://grapheneos.org/graphene.png"/>
+        <meta property="og:url" content="https://grapheneos.org/releases"/>
         <meta property="og:site_name" content="GrapheneOS"/>
         <link rel="stylesheet" href="/grapheneos.css?0"/>
         <link rel="manifest" href="/manifest.webmanifest"/>
diff --git a/static/source.html b/static/source.html
index 3c8fd33a..c98e4c78 100644
--- a/static/source.html
+++ b/static/source.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" prefix="og: http://ogp.me/ns#">
     <head>
         <meta charset="utf-8"/>
         <title>Source | GrapheneOS</title>
@@ -7,7 +7,9 @@
         <meta name="theme-color" content="#212121"/>
         <meta name="viewport" content="width=device-width, initial-scale=1"/>
         <meta property="og:title" content="GrapheneOS source"/>
+        <meta property="og:type" content="website"/>
         <meta property="og:image" content="https://grapheneos.org/graphene.png"/>
+        <meta property="og:url" content="https://grapheneos.org/source"/>
         <meta property="og:site_name" content="GrapheneOS"/>
         <link rel="stylesheet" href="/grapheneos.css?0"/>
         <link rel="manifest" href="/manifest.webmanifest"/>
