diff --git a/searx/translations/messages.pot b/searx/translations/messages.pot
index 5465c2532..c11451689 100644
--- a/searx/translations/messages.pot
+++ b/searx/translations/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2022-02-21 11:52+0000\n"
+"POT-Creation-Date: 2022-03-16 09:12+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"
@@ -17,176 +17,208 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Generated-By: Babel 2.9.1\n"
 
-#: searx/webapp.py:170
+#. CONSTANT_NAMES['DEFAULT_GROUP_NAME']
+#: searx/searxng.msg
+msgid "others"
+msgstr ""
+
+#. CONSTANT_NAMES['OTHER_CATEGORY']
+#: searx/searxng.msg
+msgid "other"
+msgstr ""
+
+#. CATEGORY_NAMES['FILES']
+#: searx/searxng.msg
 msgid "files"
 msgstr ""
 
-#: searx/webapp.py:171
+#. CATEGORY_NAMES['GENERAL']
+#: searx/searxng.msg
 msgid "general"
 msgstr ""
 
-#: searx/webapp.py:172
+#. CATEGORY_NAMES['MUSIC']
+#: searx/searxng.msg
 msgid "music"
 msgstr ""
 
-#: searx/webapp.py:173
+#. CATEGORY_NAMES['SOCIAL_MEDIA']
+#: searx/searxng.msg
 msgid "social media"
 msgstr ""
 
-#: searx/webapp.py:174
+#. CATEGORY_NAMES['IMAGES']
+#: searx/searxng.msg
 msgid "images"
 msgstr ""
 
-#: searx/webapp.py:175
+#. CATEGORY_NAMES['VIDEOS']
+#: searx/searxng.msg
 msgid "videos"
 msgstr ""
 
-#: searx/webapp.py:176
+#. CATEGORY_NAMES['IT']
+#: searx/searxng.msg
 msgid "it"
 msgstr ""
 
-#: searx/webapp.py:177
+#. CATEGORY_NAMES['NEWS']
+#: searx/searxng.msg
 msgid "news"
 msgstr ""
 
-#: searx/webapp.py:178
+#. CATEGORY_NAMES['MAP']
+#: searx/searxng.msg
 msgid "map"
 msgstr ""
 
-#: searx/webapp.py:179
+#. CATEGORY_NAMES['ONIONS']
+#: searx/searxng.msg
 msgid "onions"
 msgstr ""
 
-#: searx/webapp.py:180
+#. CATEGORY_NAMES['SCIENCE']
+#: searx/searxng.msg
 msgid "science"
 msgstr ""
 
-#: searx/webapp.py:182
+#. CATEGORY_GROUPS['APPS']
+#: searx/searxng.msg
 msgid "apps"
 msgstr ""
 
-#: searx/webapp.py:183
+#. CATEGORY_GROUPS['DICTIONARIES']
+#: searx/searxng.msg
 msgid "dictionaries"
 msgstr ""
 
-#: searx/webapp.py:184
+#. CATEGORY_GROUPS['LYRICS']
+#: searx/searxng.msg
 msgid "lyrics"
 msgstr ""
 
-#: searx/webapp.py:185
+#. CATEGORY_GROUPS['PACKAGES']
+#: searx/searxng.msg
 msgid "packages"
 msgstr ""
 
-#: searx/webapp.py:186
+#. CATEGORY_GROUPS['Q_A']
+#: searx/searxng.msg
 msgid "q&a"
 msgstr ""
 
-#: searx/webapp.py:187
+#. CATEGORY_GROUPS['REPOS']
+#: searx/searxng.msg
 msgid "repos"
 msgstr ""
 
-#: searx/webapp.py:188
+#. CATEGORY_GROUPS['SOFTWARE_WIKIS']
+#: searx/searxng.msg
 msgid "software wikis"
 msgstr ""
 
-#: searx/webapp.py:189
+#. CATEGORY_GROUPS['WEB']
+#: searx/searxng.msg
 msgid "web"
 msgstr ""
 
-#: searx/webapp.py:194
+#. STYLE_NAMES['AUTO']
+#: searx/searxng.msg
 msgid "auto"
 msgstr ""
 
-#: searx/webapp.py:194
+#. STYLE_NAMES['LIGHT']
+#: searx/searxng.msg
 msgid "light"
 msgstr ""
 
-#: searx/webapp.py:194
+#. STYLE_NAMES['DARK']
+#: searx/searxng.msg
 msgid "dark"
 msgstr ""
 
-#: searx/webapp.py:197
+#: searx/webapp.py:168
 msgid "timeout"
 msgstr ""
 
-#: searx/webapp.py:198
+#: searx/webapp.py:169
 msgid "parsing error"
 msgstr ""
 
-#: searx/webapp.py:199
+#: searx/webapp.py:170
 msgid "HTTP protocol error"
 msgstr ""
 
-#: searx/webapp.py:200
+#: searx/webapp.py:171
 msgid "network error"
 msgstr ""
 
-#: searx/webapp.py:202
+#: searx/webapp.py:173
 msgid "unexpected crash"
 msgstr ""
 
-#: searx/webapp.py:209
+#: searx/webapp.py:180
 msgid "HTTP error"
 msgstr ""
 
-#: searx/webapp.py:210
+#: searx/webapp.py:181
 msgid "HTTP connection error"
 msgstr ""
 
-#: searx/webapp.py:216
+#: searx/webapp.py:187
 msgid "proxy error"
 msgstr ""
 
-#: searx/webapp.py:217
+#: searx/webapp.py:188
 msgid "CAPTCHA"
 msgstr ""
 
-#: searx/webapp.py:218
+#: searx/webapp.py:189
 msgid "too many requests"
 msgstr ""
 
-#: searx/webapp.py:219
+#: searx/webapp.py:190
 msgid "access denied"
 msgstr ""
 
-#: searx/webapp.py:220
+#: searx/webapp.py:191
 msgid "server API error"
 msgstr ""
 
-#: searx/webapp.py:431
+#: searx/webapp.py:409
 msgid "No item found"
 msgstr ""
 
 #: searx/engines/qwant.py:212
-#: searx/templates/simple/result_templates/images.html:23 searx/webapp.py:433
+#: searx/templates/simple/result_templates/images.html:23 searx/webapp.py:411
 msgid "Source"
 msgstr ""
 
-#: searx/webapp.py:435
+#: searx/webapp.py:413
 msgid "Error loading the next page"
 msgstr ""
 
-#: searx/webapp.py:547 searx/webapp.py:967
+#: searx/webapp.py:525 searx/webapp.py:979
 msgid "Invalid settings, please edit your preferences"
 msgstr ""
 
-#: searx/webapp.py:563
+#: searx/webapp.py:541
 msgid "Invalid settings"
 msgstr ""
 
-#: searx/webapp.py:639 searx/webapp.py:714
+#: searx/webapp.py:617 searx/webapp.py:693
 msgid "search error"
 msgstr ""
 
-#: searx/webapp.py:757
+#: searx/webapp.py:739
 msgid "{minutes} minute(s) ago"
 msgstr ""
 
-#: searx/webapp.py:759
+#: searx/webapp.py:741
 msgid "{hours} hour(s), {minutes} minute(s) ago"
 msgstr ""
 
-#: searx/webapp.py:875
+#: searx/webapp.py:870
 msgid "Suspended"
 msgstr ""
 
@@ -390,7 +422,7 @@ msgstr ""
 #: searx/templates/oscar/preferences.html:362
 #: searx/templates/oscar/preferences.html:425
 #: searx/templates/simple/preferences.html:295
-#: searx/templates/simple/preferences.html:344
+#: searx/templates/simple/preferences.html:346
 msgid "Allow"
 msgstr ""
 
@@ -496,13 +528,13 @@ msgid "Engines"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:105
-#: searx/templates/simple/preferences.html:339
+#: searx/templates/simple/preferences.html:341
 msgid "Special Queries"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:106
 #: searx/templates/oscar/preferences.html:465
-#: searx/templates/simple/preferences.html:379
+#: searx/templates/simple/preferences.html:381
 msgid "Cookies"
 msgstr ""
 
@@ -779,78 +811,78 @@ msgid "Query"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:426
-#: searx/templates/simple/preferences.html:345
+#: searx/templates/simple/preferences.html:347
 msgid "Keywords"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:427
-#: searx/templates/simple/preferences.html:346
+#: searx/templates/simple/preferences.html:348
 msgid "Name"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:428
-#: searx/templates/simple/preferences.html:347
+#: searx/templates/simple/preferences.html:349
 msgid "Description"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:429
-#: searx/templates/simple/preferences.html:348
+#: searx/templates/simple/preferences.html:350
 msgid "Examples"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:434
-#: searx/templates/simple/preferences.html:351
+#: searx/templates/simple/preferences.html:353
 msgid "This is the list of SearXNG's instant answering modules."
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:447
-#: searx/templates/simple/preferences.html:362
+#: searx/templates/simple/preferences.html:364
 msgid "This is the list of plugins."
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:468
-#: searx/templates/simple/preferences.html:381
+#: searx/templates/simple/preferences.html:383
 msgid ""
 "This is the list of cookies and their values SearXNG is storing on your "
 "computer."
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:469
-#: searx/templates/simple/preferences.html:382
+#: searx/templates/simple/preferences.html:384
 msgid "With that list, you can assess SearXNG transparency."
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:474
-#: searx/templates/simple/preferences.html:387
+#: searx/templates/simple/preferences.html:389
 msgid "Cookie name"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:475
-#: searx/templates/simple/preferences.html:388
+#: searx/templates/simple/preferences.html:390
 msgid "Value"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:492
-#: searx/templates/simple/preferences.html:409
+#: searx/templates/simple/preferences.html:411
 msgid ""
 "These settings are stored in your cookies, this allows us not to store "
 "this data about you."
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:493
-#: searx/templates/simple/preferences.html:411
+#: searx/templates/simple/preferences.html:413
 msgid ""
 "These cookies serve your sole convenience, we don't use these cookies to "
 "track you."
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:497
-#: searx/templates/simple/preferences.html:400
+#: searx/templates/simple/preferences.html:402
 msgid "Search URL of the currently saved preferences"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:498
-#: searx/templates/simple/preferences.html:404
+#: searx/templates/simple/preferences.html:406
 msgid ""
 "Note: specifying custom settings in the search URL can reduce privacy by "
 "leaking data to the clicked result sites."
@@ -865,7 +897,7 @@ msgid "back"
 msgstr ""
 
 #: searx/templates/oscar/preferences.html:505
-#: searx/templates/simple/preferences.html:415
+#: searx/templates/simple/preferences.html:417
 msgid "Reset defaults"
 msgstr ""
 
@@ -1210,7 +1242,7 @@ msgstr ""
 msgid "Length"
 msgstr ""
 
-#: searx/templates/simple/categories.html:16
+#: searx/templates/simple/categories.html:24
 msgid "Click on the magnifier to perform search"
 msgstr ""
 
@@ -1238,11 +1270,11 @@ msgstr ""
 msgid "Supports selected language"
 msgstr ""
 
-#: searx/templates/simple/preferences.html:414
+#: searx/templates/simple/preferences.html:416
 msgid "Save"
 msgstr ""
 
-#: searx/templates/simple/preferences.html:416
+#: searx/templates/simple/preferences.html:418
 msgid "Back"
 msgstr ""
 
@@ -1250,11 +1282,11 @@ msgstr ""
 msgid "Answers"
 msgstr ""
 
-#: searx/templates/simple/results.html:164
+#: searx/templates/simple/results.html:162
 msgid "Previous page"
 msgstr ""
 
-#: searx/templates/simple/results.html:181
+#: searx/templates/simple/results.html:179
 msgid "Next page"
 msgstr ""