diff -r 000000000000 -r 747fc65e13e2 src/ztfy/baseskin/interfaces/metas.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ztfy/baseskin/interfaces/metas.py	Sun May 11 02:03:37 2014 +0200
@@ -0,0 +1,87 @@
+### -*- coding: utf-8 -*- ####################################################
+##############################################################################
+#
+# Copyright (c) 2008-2013 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+
+__docformat__ = "restructuredtext"
+
+# import standard packages
+
+# import Zope3 interfaces
+
+# import local interfaces
+
+# import Zope3 packages
+from zope.interface import Interface, Attribute
+from zope.schema import List, Object
+
+# import local packages
+
+from ztfy.baseskin import _
+
+
+class IBaseMeta(Interface):
+    """Base meta header interface"""
+
+    def render(self):
+        """Render given meta header"""
+
+
+class IHTTPEquivMetaHeader(IBaseMeta):
+    """HTTP-Equiv meta header interface"""
+
+    http_equiv = Attribute(_("HTTP equiv header"))
+
+    value = Attribute(_("Meta content value"))
+
+
+class IContentMetaHeader(IBaseMeta):
+    """Content meta header interface"""
+
+    name = Attribute(_("Meta name"))
+
+    value = Attribute(_("Meta content value"))
+
+
+class IPropertyMetaHeader(IBaseMeta):
+    """Property meta header interface"""
+
+    property = Attribute(_("Meta property"))
+
+    value = Attribute(_("Meta content value"))
+
+
+class ILinkMetaHeader(IBaseMeta):
+    """Link meta header interface"""
+
+    rel = Attribute(_("Meta rel attribute"))
+
+    type = Attribute(_("Meta type attribute"))
+
+    href = Attribute(_("Meta link target"))
+
+
+class IContentMetasHeaders(Interface):
+    """Content metas headers interface"""
+
+    metas = List(title=_("Metas list"),
+                 description=_("Full list of metas associated with this content"),
+                 value_type=Object(schema=IContentMetaHeader))
+
+
+class IPageMetasHeaders(Interface):
+    """Full list of metas headers for given content"""
+
+    metas = List(title=_("Metas list"),
+                 description=_("Full list of metas associated with this content"),
+                 value_type=Object(schema=IContentMetaHeader))