--- a/src/pyams_skin/locales/pyams_skin.pot	Fri Dec 08 11:44:47 2017 +0100
+++ b/src/pyams_skin/locales/pyams_skin.pot	Fri Dec 08 12:10:15 2017 +0100
@@ -6,7 +6,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE 1.0\n"
-"POT-Creation-Date: 2017-10-02 17:06+0200\n"
+"POT-Creation-Date: 2017-11-14 17:14+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -22,27 +22,27 @@
 msgid "Search..."
 msgstr ""
 
-#: ./src/pyams_skin/table.py:64
+#: ./src/pyams_skin/table.py:63
 msgid "Container elements"
 msgstr ""
 
-#: ./src/pyams_skin/table.py:173
+#: ./src/pyams_skin/table.py:168
 msgid "Name"
 msgstr ""
 
-#: ./src/pyams_skin/table.py:195
+#: ./src/pyams_skin/table.py:190
 msgid "Properties"
 msgstr ""
 
-#: ./src/pyams_skin/table.py:277
+#: ./src/pyams_skin/table.py:272
 msgid "Click and drag to sort rows"
 msgstr ""
 
-#: ./src/pyams_skin/table.py:290
+#: ./src/pyams_skin/table.py:285
 msgid "Actions"
 msgstr ""
 
-#: ./src/pyams_skin/table.py:311
+#: ./src/pyams_skin/table.py:306
 msgid "Delete object"
 msgstr ""
 
@@ -227,54 +227,75 @@
 msgstr ""
 
 #: ./src/pyams_skin/interfaces/extension.py:45
-msgid "Activate Google Analytics?"
+msgid "Activate Google Tag Manager?"
 msgstr ""
 
 #: ./src/pyams_skin/interfaces/extension.py:46
-msgid "Are Google Analytics statistics activated?"
+msgid "Is Google Tag Manager activated?"
 msgstr ""
 
 #: ./src/pyams_skin/interfaces/extension.py:50
-msgid "Web site ID"
+msgid "Container ID"
 msgstr ""
 
 #: ./src/pyams_skin/interfaces/extension.py:51
-msgid "Google Analytics web site ID"
+msgid "Google Tag Manager container ID (may start with 'GTM-')"
 msgstr ""
 
 #: ./src/pyams_skin/interfaces/extension.py:54
+#: ./src/pyams_skin/interfaces/extension.py:80
+#: ./src/pyams_skin/interfaces/extension.py:102
+msgid "Activation mode"
+msgstr ""
+
+#: ./src/pyams_skin/interfaces/extension.py:55
+msgid "Mode(s) in which Google Tags are activated"
+msgstr ""
+
+#: ./src/pyams_skin/interfaces/extension.py:67
+msgid "Activate Google Analytics?"
+msgstr ""
+
+#: ./src/pyams_skin/interfaces/extension.py:68
+msgid "Are Google Analytics statistics activated?"
+msgstr ""
+
+#: ./src/pyams_skin/interfaces/extension.py:72
+msgid "Web site ID"
+msgstr ""
+
+#: ./src/pyams_skin/interfaces/extension.py:73
+msgid "Google Analytics web site ID"
+msgstr ""
+
+#: ./src/pyams_skin/interfaces/extension.py:76
 msgid "Web site verification code"
 msgstr ""
 
-#: ./src/pyams_skin/interfaces/extension.py:55
+#: ./src/pyams_skin/interfaces/extension.py:77
 msgid "Google site verification code"
 msgstr ""
 
-#: ./src/pyams_skin/interfaces/extension.py:58
-#: ./src/pyams_skin/interfaces/extension.py:80
-msgid "Activation mode"
-msgstr ""
-
-#: ./src/pyams_skin/interfaces/extension.py:59
+#: ./src/pyams_skin/interfaces/extension.py:81
 msgid "Mode(s) in which statistics are activated"
 msgstr ""
 
-#: ./src/pyams_skin/interfaces/extension.py:71
+#: ./src/pyams_skin/interfaces/extension.py:93
 msgid "Activate UserReport?"
 msgstr ""
 
-#: ./src/pyams_skin/interfaces/extension.py:72
+#: ./src/pyams_skin/interfaces/extension.py:94
 msgid "Are UserReport comments and feedback activated?"
 msgstr ""
 
-#: ./src/pyams_skin/interfaces/extension.py:76
+#: ./src/pyams_skin/interfaces/extension.py:98
 msgid "Account ID"
 msgstr ""
 
-#: ./src/pyams_skin/interfaces/extension.py:77
+#: ./src/pyams_skin/interfaces/extension.py:99
 msgid "UserReport account ID, available in 'initSite' code snippet"
 msgstr ""
 
-#: ./src/pyams_skin/interfaces/extension.py:81
+#: ./src/pyams_skin/interfaces/extension.py:103
 msgid "Mode(s) in which reports are activated"
 msgstr ""