diff --git a/pages/05.Glossary/docs.en.md b/pages/05.Glossary/docs.en.md
index a46deda0..0875e080 100644
--- a/pages/05.Glossary/docs.en.md
+++ b/pages/05.Glossary/docs.en.md
@@ -1,9 +1,14 @@
 ---
 title: Glossary
 published: true
+visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - glossary
 page-toc:
     active: false
 ---
diff --git a/pages/06.Contribute/00.ways2contribute/docs.en.md b/pages/06.Contribute/00.ways2contribute/docs.en.md
index 51d13242..b1250d80 100644
--- a/pages/06.Contribute/00.ways2contribute/docs.en.md
+++ b/pages/06.Contribute/00.ways2contribute/docs.en.md
@@ -1,9 +1,14 @@
 ---
 title: How-to Contribute: Choose the way
 published: true
+visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
 page-toc:
     active: false
 ---
diff --git a/pages/06.Contribute/01.git/docs.en.md b/pages/06.Contribute/01.git/docs.en.md
index ce54692c..5ab2711f 100644
--- a/pages/06.Contribute/01.git/docs.en.md
+++ b/pages/06.Contribute/01.git/docs.en.md
@@ -1,9 +1,15 @@
 ---
 title: How-to Contribute: Git
 published: true
+visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
+        - git
 page-toc:
     active: false
 ---
diff --git a/pages/06.Contribute/01.git/how-to-use-git/docs.en.md b/pages/06.Contribute/01.git/how-to-use-git/docs.en.md
index 6cbe0f8b..f5225159 100755
--- a/pages/06.Contribute/01.git/how-to-use-git/docs.en.md
+++ b/pages/06.Contribute/01.git/how-to-use-git/docs.en.md
@@ -1,10 +1,19 @@
 ---
 title: How-to Contribute: Git Basics
 published: true
-visible: true
+visible: false
+updated:
+        last_modified: "July 2019"
+        app: Atom
+        app_version: 1.33
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
+        - git
+page-toc:
+    active: true
 ---
 
 |```Meta information```|
diff --git a/pages/06.Contribute/02.pad/docs.en.md b/pages/06.Contribute/02.pad/docs.en.md
index 803cae3a..c6ade9bc 100644
--- a/pages/06.Contribute/02.pad/docs.en.md
+++ b/pages/06.Contribute/02.pad/docs.en.md
@@ -2,8 +2,14 @@
 title: How-to Contribute: Pads
 published: true
 visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
+page-toc:
+    active: false
 ---
 ToDo
diff --git a/pages/06.Contribute/03.email/docs.en.md b/pages/06.Contribute/03.email/docs.en.md
index 15008cd8..8413c800 100644
--- a/pages/06.Contribute/03.email/docs.en.md
+++ b/pages/06.Contribute/03.email/docs.en.md
@@ -2,8 +2,15 @@
 title: How-to Contribute: Email
 published: true
 visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
+        - email
+page-toc:
+    active: false
 ---
 ToDo
diff --git a/pages/06.Contribute/04.forum/docs.en.md b/pages/06.Contribute/04.forum/docs.en.md
index 4bd32f6b..67e3f544 100644
--- a/pages/06.Contribute/04.forum/docs.en.md
+++ b/pages/06.Contribute/04.forum/docs.en.md
@@ -2,8 +2,15 @@
 title: How-to Contribute: Forum
 published: true
 visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
+        - forum
+page-toc:
+    active: false
 ---
 ToDo
diff --git a/pages/06.Contribute/05.xmpp/docs.en.md b/pages/06.Contribute/05.xmpp/docs.en.md
index ea4c97a0..2794c3a3 100644
--- a/pages/06.Contribute/05.xmpp/docs.en.md
+++ b/pages/06.Contribute/05.xmpp/docs.en.md
@@ -2,8 +2,16 @@
 title: How-to Contribute: XMPP
 published: true
 visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
+        - xmpp
+        - chat
+page-toc:
+    active: false
 ---
 ToDo
diff --git a/pages/06.Contribute/06.Styleguide/docs.en.md b/pages/06.Contribute/06.Styleguide/docs.en.md
index bf84b58d..29c213b5 100644
--- a/pages/06.Contribute/06.Styleguide/docs.en.md
+++ b/pages/06.Contribute/06.Styleguide/docs.en.md
@@ -2,9 +2,14 @@
 title: How-to Contribute: Style guide
 published: true
 visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
+        - style
 page-toc:
     active: true
 ---
diff --git a/pages/06.Contribute/docs.en.md b/pages/06.Contribute/docs.en.md
index 4f35a62c..73b20789 100755
--- a/pages/06.Contribute/docs.en.md
+++ b/pages/06.Contribute/docs.en.md
@@ -1,9 +1,14 @@
 ---
 title: How-to: Contribute
 published: true
+visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - contribute
 page-toc:
     active: false
 ---
diff --git a/pages/07.Licensing/docs.en.md b/pages/07.Licensing/docs.en.md
index 33fe0d83..26899c88 100644
--- a/pages/07.Licensing/docs.en.md
+++ b/pages/07.Licensing/docs.en.md
@@ -1,9 +1,14 @@
 ---
 title: How-to: License
 published: true
+visible: true
+updated:
+        last_modified: "July 2019"
 taxonomy:
     category:
         - docs
+    tags:
+        - licence
 page-toc:
     active: false
 ---