diff --git a/debianmemberportfolio/translations/ja/LC_MESSAGES/messages.po b/debianmemberportfolio/translations/ja/LC_MESSAGES/messages.po
index b35271b..540d051 100644
--- a/debianmemberportfolio/translations/ja/LC_MESSAGES/messages.po
+++ b/debianmemberportfolio/translations/ja/LC_MESSAGES/messages.po
@@ -10,42 +10,45 @@ msgstr ""
 "Project-Id-Version: Debian Member Portfolio Service 0.3.1\n"
 "Report-Msgid-Bugs-To: jan@dittberner.info\n"
 "POT-Creation-Date: 2018-05-12 10:32+0200\n"
-"PO-Revision-Date: 2018-05-12 10:33+0200\n"
-"Last-Translator: Automatically generated\n"
-"Language-Team: none\n"
+"PO-Revision-Date: 2020-09-27 13:40+0000\n"
+"Last-Translator: Shuji Sado <sado@osdn.jp>\n"
+"Language-Team: Japanese <https://hosted.weblate.org/projects/"
+"debian-member-portfolio-service/translations/ja/>\n"
 "Language: ja\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
-"X-Generator: Poedit 1.8.11\n"
+"X-Generator: Weblate 4.3-dev\n"
 "Generated-By: Babel 2.5.0\n"
 
 #: debianmemberportfolio/forms.py:67
 msgid "JSON"
-msgstr ""
+msgstr "JSON"
 
 #: debianmemberportfolio/forms.py:67
 msgid "HTML"
-msgstr ""
+msgstr "HTML"
 
 #: debianmemberportfolio/views.py:40
 msgid "Overview"
-msgstr ""
+msgstr "概要"
 
 #: debianmemberportfolio/views.py:41
 msgid "Debian Member's Package Overview"
-msgstr ""
+msgstr "Debianメンバーのパッケージ概要"
 
 #: debianmemberportfolio/views.py:42
 msgid ""
 "Debian Member's Package Overview\n"
 "... showing all email addresses"
 msgstr ""
+"Debianメンバーのパッケージ概要\n"
+"... 全メールアドレス表示"
 
 #: debianmemberportfolio/views.py:46
 msgid "Bugs"
-msgstr ""
+msgstr "バグ"
 
 #: debianmemberportfolio/views.py:47
 msgid ""
@@ -53,22 +56,25 @@ msgid ""
 "(note: co-maintainers not listed, see <a href=\"https://bugs.debian.org/cgi-"
 "bin/bugreport.cgi?bug=430986\">#430986</a>)"
 msgstr ""
+"受領したバグ\n"
+"(注: 共同メンテナーはリストされていません。<a href=\"https://bugs.debian.org/cgi-bin/bugreport."
+"cgi?bug=430986\">#430986</a>を参照)"
 
 #: debianmemberportfolio/views.py:51
 msgid "bugs reported"
-msgstr ""
+msgstr "報告したバグ"
 
 #: debianmemberportfolio/views.py:52
 msgid "user tags"
-msgstr ""
+msgstr "ユーザータグ"
 
 #: debianmemberportfolio/views.py:53
 msgid "all messages (i.e., full text search for developer name on all bug logs)"
-msgstr ""
+msgstr "すべてのメッセージ (i.e.、全てのバグのログの開発者名による全文検索)"
 
 #: debianmemberportfolio/views.py:55
 msgid "<a href=\"https://wiki.debian.org/WNPP\">WNPP</a>"
-msgstr ""
+msgstr "<a href=\"https://wiki.debian.org/WNPP\">WNPP</a>"
 
 #: debianmemberportfolio/views.py:56
 msgid "correspondent for bugs"
@@ -76,31 +82,31 @@ msgstr ""
 
 #: debianmemberportfolio/views.py:57
 msgid "one year open bug history graph"
-msgstr ""
+msgstr "1年間にオープンしたバグの履歴グラフ"
 
 #: debianmemberportfolio/views.py:60
 msgid "Build"
-msgstr ""
+msgstr "ビルド"
 
 #: debianmemberportfolio/views.py:61
 msgid "buildd.d.o"
-msgstr ""
+msgstr "buildd.d.o"
 
 #: debianmemberportfolio/views.py:62
 msgid "igloo"
-msgstr ""
+msgstr "igloo"
 
 #: debianmemberportfolio/views.py:65
 msgid "Quality Assurance"
-msgstr ""
+msgstr "品質保証"
 
 #: debianmemberportfolio/views.py:66
 msgid "maintainer dashboard"
-msgstr ""
+msgstr "メンテナダッシュボード"
 
 #: debianmemberportfolio/views.py:67
 msgid "lintian reports"
-msgstr ""
+msgstr "Lintianレポート"
 
 #: debianmemberportfolio/views.py:68
 msgid "full lintian reports (i.e. including \"info\"-level messages)"
@@ -112,35 +118,35 @@ msgstr ""
 
 #: debianmemberportfolio/views.py:71
 msgid "Debian patch tracking system"
-msgstr ""
+msgstr "Debianパッチ追跡システム"
 
 #: debianmemberportfolio/views.py:72
 msgid "Debian Url ChecKer"
-msgstr ""
+msgstr "Debian Urlチェッカー"
 
 #: debianmemberportfolio/views.py:75
 msgid "Mailing Lists"
-msgstr ""
+msgstr "メーリングリスト"
 
 #: debianmemberportfolio/views.py:76
 msgid "lists.d.o"
-msgstr ""
+msgstr "lists.d.o"
 
 #: debianmemberportfolio/views.py:77
 msgid "lists.a.d.o"
-msgstr ""
+msgstr "lists.a.d.o"
 
 #: debianmemberportfolio/views.py:78
 msgid "gmane"
-msgstr ""
+msgstr "gmane"
 
 #: debianmemberportfolio/views.py:81
 msgid "Files"
-msgstr ""
+msgstr "ファイル"
 
 #: debianmemberportfolio/views.py:82
 msgid "people.d.o"
-msgstr ""
+msgstr "people.d.o"
 
 #: debianmemberportfolio/views.py:83
 msgid "oldpeople"
@@ -152,7 +158,7 @@ msgstr ""
 
 #: debianmemberportfolio/views.py:87
 msgid "Membership"
-msgstr ""
+msgstr "メンバーシップ"
 
 #: debianmemberportfolio/views.py:88
 msgid "NM"
@@ -168,7 +174,7 @@ msgstr ""
 
 #: debianmemberportfolio/views.py:91
 msgid "FOAF profile"
-msgstr ""
+msgstr "FOAF プロファイル"
 
 #: debianmemberportfolio/views.py:92
 msgid "Salsa"
@@ -180,11 +186,11 @@ msgstr ""
 
 #: debianmemberportfolio/views.py:95
 msgid "Forum"
-msgstr ""
+msgstr "フォーラム"
 
 #: debianmemberportfolio/views.py:98
 msgid "Miscellaneous"
-msgstr ""
+msgstr "その他"
 
 #: debianmemberportfolio/views.py:99
 msgid "debtags"
@@ -192,31 +198,31 @@ msgstr ""
 
 #: debianmemberportfolio/views.py:100
 msgid "Planet Debian (name)"
-msgstr ""
+msgstr "Planet Debian (名前)"
 
 #: debianmemberportfolio/views.py:101
 msgid "Planet Debian (username)"
-msgstr ""
+msgstr "Planet Debian (ユーザー名)"
 
 #: debianmemberportfolio/views.py:102
 msgid "links"
-msgstr ""
+msgstr "リンク"
 
 #: debianmemberportfolio/views.py:103
 msgid "Debian website"
-msgstr ""
+msgstr "Debian webサイト"
 
 #: debianmemberportfolio/views.py:104
 msgid "Debian search"
-msgstr ""
+msgstr "Debian検索"
 
 #: debianmemberportfolio/views.py:105
 msgid "GPG public key via finger"
-msgstr ""
+msgstr "finger経由のGPG公開鍵"
 
 #: debianmemberportfolio/views.py:106
 msgid "GPG public key via HTTP"
-msgstr ""
+msgstr "HTTP経由のGPG公開鍵"
 
 #: debianmemberportfolio/views.py:107
 msgid "NM, AM participation"
@@ -224,11 +230,11 @@ msgstr ""
 
 #: debianmemberportfolio/views.py:108
 msgid "Contribution information"
-msgstr ""
+msgstr "貢献情報"
 
 #: debianmemberportfolio/views.py:109
 msgid "Repology information"
-msgstr ""
+msgstr "Repology情報"
 
 #: debianmemberportfolio/views.py:112
 msgid "Information reachable via ssh (for Debian Members)"
@@ -243,6 +249,7 @@ msgid ""
 "<a href=\"https://wiki.debian.org/qa.debian.org/MIATeam\">MIA</a> database "
 "information"
 msgstr ""
+"<a href=\"https://wiki.debian.org/qa.debian.org/MIATeam\">MIA</a> データベース情報"
 
 #: debianmemberportfolio/views.py:116
 msgid "Group membership information"
@@ -258,11 +265,11 @@ msgstr ""
 
 #: debianmemberportfolio/model/urlbuilder.py:43
 msgid "Email address"
-msgstr ""
+msgstr "Emailアドレス"
 
 #: debianmemberportfolio/model/urlbuilder.py:44
 msgid "Name"
-msgstr ""
+msgstr "名前"
 
 #: debianmemberportfolio/model/urlbuilder.py:45
 msgid "GPG fingerprint"
@@ -270,19 +277,19 @@ msgstr ""
 
 #: debianmemberportfolio/model/urlbuilder.py:46
 msgid "Debian user name"
-msgstr ""
+msgstr "Debian ユーザー名"
 
 #: debianmemberportfolio/model/urlbuilder.py:47
 msgid "Non Debian email address"
-msgstr ""
+msgstr "Debian以外のメールアドレス"
 
 #: debianmemberportfolio/model/urlbuilder.py:48
 msgid "Salsa user name"
-msgstr ""
+msgstr "Salsaユーザー名"
 
 #: debianmemberportfolio/model/urlbuilder.py:49
 msgid "Alioth user name"
-msgstr ""
+msgstr "Aliothユーザー名"
 
 #: debianmemberportfolio/model/urlbuilder.py:110
 #: debianmemberportfolio/model/urlbuilder.py:114
@@ -293,11 +300,11 @@ msgstr ""
 #: debianmemberportfolio/templates/base.html:24
 #: debianmemberportfolio/templates/base.html:31
 msgid "Debian Member Portfolio Service"
-msgstr ""
+msgstr "Debianメンバー・ポートフォリオ・サービス"
 
 #: debianmemberportfolio/templates/base.html:30
 msgid "Debian Logo"
-msgstr ""
+msgstr "Debianロゴ"
 
 #: debianmemberportfolio/templates/base.html:32
 msgid ""
@@ -306,10 +313,13 @@ msgid ""
 "create a set of customized links leading to a Debian Member's or package "
 "maintainer's information regarding Debian."
 msgstr ""
+"このサービスは、Debian Wiki の Stefano Zacchiroli さんによる <a href=\"https://wiki.debian."
+"org/DDPortfolio\">DDPortfolio ページ</a>にヒントを得ています。 Debian メンバーやパッケージメンテナの "
+"Debian に関する情報につながるカスタマイズされたリンクのセットを作成することができます。"
 
 #: debianmemberportfolio/templates/base.html:39
 msgid "AGPL - Free Software"
-msgstr ""
+msgstr "AGPL - フリーソフトウェア"
 
 #: debianmemberportfolio/templates/base.html:40
 #, python-format
@@ -335,11 +345,11 @@ msgstr ""
 
 #: debianmemberportfolio/templates/showform.html:29
 msgid "Debian Member Portfolio"
-msgstr ""
+msgstr "Debianメンバーポートフォリオ"
 
 #: debianmemberportfolio/templates/showform.html:31
 msgid "Email address:"
-msgstr ""
+msgstr "Emailアドレス:"
 
 #: debianmemberportfolio/templates/showform.html:40
 msgid "Show all form fields"
@@ -347,7 +357,7 @@ msgstr ""
 
 #: debianmemberportfolio/templates/showform.html:43
 msgid "Name:"
-msgstr ""
+msgstr "名前:"
 
 #: debianmemberportfolio/templates/showform.html:50
 msgid "GPG fingerprint:"
@@ -355,27 +365,27 @@ msgstr ""
 
 #: debianmemberportfolio/templates/showform.html:57
 msgid "Debian user name:"
-msgstr ""
+msgstr "Debianユーザー名:"
 
 #: debianmemberportfolio/templates/showform.html:64
 msgid "Non Debian email address:"
-msgstr ""
+msgstr "Debian以外のメールアドレス:"
 
 #: debianmemberportfolio/templates/showform.html:71
 msgid "Salsa user name:"
-msgstr ""
+msgstr "Salsaユーザー名:"
 
 #: debianmemberportfolio/templates/showform.html:78
 msgid "Alioth user name:"
-msgstr ""
+msgstr "Aliothユーザー名:"
 
 #: debianmemberportfolio/templates/showform.html:85
 msgid "Wiki user name:"
-msgstr ""
+msgstr "Wikiユーザー名:"
 
 #: debianmemberportfolio/templates/showform.html:92
 msgid "Forum user id:"
-msgstr ""
+msgstr "フォーラムのユーザーID:"
 
 #: debianmemberportfolio/templates/showform.html:99
 msgid "Output format:"
@@ -387,11 +397,11 @@ msgstr ""
 
 #: debianmemberportfolio/templates/showurls.html:21
 msgid "Your personal links"
-msgstr ""
+msgstr "あなたの個人的なリンク"
 
 #: debianmemberportfolio/templates/showurls.html:25
 msgid "Debian Member Porfolio"
-msgstr ""
+msgstr "Debianメンバーポートフォリオ"
 
 #: debianmemberportfolio/templates/showurls.html:28
 msgid "Usage"