diff --git a/Gemfile.lock b/Gemfile.lock
index 3fc78635..323175f3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -651,4 +651,4 @@ DEPENDENCIES
   webpacker (~> 5.2)
 
 BUNDLED WITH
-   2.1.4
+   2.3.18
diff --git a/app/helpers/application_helper/graph_methods.rb b/app/helpers/application_helper/graph_methods.rb
index 52ad96ea..cde48656 100644
--- a/app/helpers/application_helper/graph_methods.rb
+++ b/app/helpers/application_helper/graph_methods.rb
@@ -19,7 +19,7 @@ module ApplicationHelper::GraphMethods
                           "og:title":         user.profile.safe_name,
                           "og:type":          "profile",
                           "og:image":         full_profile_picture_url(user),
-                          "og:url":           show_user_profile_url(user.screen_name),
+                          "og:url":           user_url(user),
                           "og:description":   user.profile.description,
                           "og:site_name":     APP_CONFIG["site_name"],
                           "profile:username": user.screen_name
@@ -43,7 +43,7 @@ module ApplicationHelper::GraphMethods
                           "og:title":       "#{answer.user.profile.safe_name} answered: #{answer.question.content}",
                           "og:type":        "article",
                           "og:image":       full_profile_picture_url(answer.user),
-                          "og:url":         show_user_answer_url(answer.user.screen_name, answer.id),
+                          "og:url":         answer_url(answer.user.screen_name, answer.id),
                           "og:description": answer.content,
                           "og:site_name":   APP_CONFIG["site_name"]
                         })
diff --git a/app/helpers/moderation_helper.rb b/app/helpers/moderation_helper.rb
index 4610f798..b573cc1b 100644
--- a/app/helpers/moderation_helper.rb
+++ b/app/helpers/moderation_helper.rb
@@ -1,18 +1,20 @@
+# frozen_string_literal: true
+
 module ModerationHelper
   # @param report [Report]
   def content_url(report)
     target = report.target
     case report.type
-      when 'Reports::Answer'
-        show_user_answer_path target.user.screen_name, target.id
-      when 'Reports::Comment'
-        show_user_answer_path target.answer.user.screen_name, target.answer.id
-      when 'Reports::Question'
-        show_user_question_path 'user', target.id
-      when 'Reports::User'
-        show_user_profile_path target.screen_name
-      else
-        '#'
+    when "Reports::Answer"
+      answer_path target.user.screen_name, target.id
+    when "Reports::Comment"
+      answer_path target.answer.user.screen_name, target.answer.id
+    when "Reports::Question"
+      question_path "user", target.id
+    when "Reports::User"
+      user_path target
+    else
+      "#"
     end
   end
 end
diff --git a/app/helpers/social_helper/tumblr_methods.rb b/app/helpers/social_helper/tumblr_methods.rb
index 16fde405..868f31d3 100644
--- a/app/helpers/social_helper/tumblr_methods.rb
+++ b/app/helpers/social_helper/tumblr_methods.rb
@@ -12,7 +12,7 @@ module SocialHelper::TumblrMethods
   end
 
   def tumblr_body(answer)
-    answer_url = show_user_answer_url(
+    answer_url = answer_url(
         id: answer.id,
         username: answer.user.screen_name,
         host: APP_CONFIG['hostname'],
@@ -23,7 +23,7 @@ module SocialHelper::TumblrMethods
   end
 
   def tumblr_share_url(answer)
-    answer_url = show_user_answer_url(
+    answer_url = answer_url(
       id: answer.id,
       username: answer.user.screen_name,
       host: APP_CONFIG['hostname'],
@@ -32,4 +32,4 @@ module SocialHelper::TumblrMethods
 
     "https://www.tumblr.com/widgets/share/tool?shareSource=legacy&posttype=text&title=#{CGI.escape(tumblr_title(answer))}&url=#{CGI.escape(answer_url)}&caption=&content=#{CGI.escape(tumblr_body(answer))}"
   end
-end
\ No newline at end of file
+end
diff --git a/app/helpers/social_helper/twitter_methods.rb b/app/helpers/social_helper/twitter_methods.rb
index ce0b605d..7f025f71 100644
--- a/app/helpers/social_helper/twitter_methods.rb
+++ b/app/helpers/social_helper/twitter_methods.rb
@@ -8,7 +8,7 @@ module SocialHelper::TwitterMethods
     original_question_length = question_content.length
     answer_content = twitter_markdown answer.content
     original_answer_length = answer_content.length
-    answer_url = show_user_answer_url(
+    answer_url = answer_url(
       id: answer.id,
       username: answer.user.screen_name,
       host: APP_CONFIG['hostname'],
@@ -42,4 +42,4 @@ module SocialHelper::TwitterMethods
   def twitter_share_url(answer)
     "https://twitter.com/intent/tweet?text=#{CGI.escape(prepare_tweet(answer))}"
   end
-end
\ No newline at end of file
+end
diff --git a/app/helpers/user_helper.rb b/app/helpers/user_helper.rb
index 9c940856..b0532faf 100644
--- a/app/helpers/user_helper.rb
+++ b/app/helpers/user_helper.rb
@@ -10,7 +10,7 @@ module UserHelper
     return anonymous_name(context_user) if anonymous?(user, author_identifier.present?)
 
     if url
-      return show_user_profile_path(user.screen_name) if link_only
+      return user_path(user) if link_only
 
       return profile_link(user)
     end
@@ -24,7 +24,7 @@ module UserHelper
   private
 
   def profile_link(user)
-    link_to(user.profile.safe_name, show_user_profile_path(user.screen_name), class: ("user--banned" if user.banned?).to_s)
+    link_to(user.profile.safe_name, user_path(user), class: ("user--banned" if user.banned?).to_s)
   end
 
   def should_unmask?(author_identifier)
diff --git a/app/models/user.rb b/app/models/user.rb
index 84d8fb9d..a12c8248 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -81,6 +81,9 @@ class User < ApplicationRecord
     Profile.create(user_id: id) if Profile.where(user_id: id).count.zero?
   end
 
+  # use the screen name as parameter for url helpers
+  def to_param = screen_name
+
   def login=(login)
     @login = login
   end
diff --git a/app/services/flavored_markdown.rb b/app/services/flavored_markdown.rb
index 781438c9..a6ecde56 100644
--- a/app/services/flavored_markdown.rb
+++ b/app/services/flavored_markdown.rb
@@ -10,7 +10,7 @@ class FlavoredMarkdown < Redcarpet::Render::HTML
 
   def wrap_mentions(text)
     text.gsub(/(^|\s)(@[a-zA-Z0-9_]{1,16})/) do
-      "#{$1}[#{$2}](#{show_user_profile_path $2.tr('@', '')})"
+      "#{$1}[#{$2}](#{user_path $2.tr('@', '')})"
     end
   end
 
diff --git a/app/views/answerbox/_comments.haml b/app/views/answerbox/_comments.haml
index 43b196f0..8cf39e72 100644
--- a/app/views/answerbox/_comments.haml
+++ b/app/views/answerbox/_comments.haml
@@ -7,7 +7,7 @@
         %div{ style: "height: 0; width: 0" }= render "modal/comment_smiles", comment: comment
         .media
           .pull-left
-            %a{ href: show_user_profile_path(username: comment.user.screen_name) }
+            %a{ href: user_path(comment.user) }
               %img.comment__user-avatar.avatar-sm{ src: comment.user.profile_picture.url(:medium) }
           .media-body
             %h6.media-heading.comment__user
diff --git a/app/views/answerbox/_header.haml b/app/views/answerbox/_header.haml
index 8dda7f0c..055593fa 100644
--- a/app/views/answerbox/_header.haml
+++ b/app/views/answerbox/_header.haml
@@ -1,7 +1,7 @@
 .card-header
   .media
     - unless a.question.author_is_anonymous
-      %a.pull-left{ href: show_user_profile_path(a.question.user.screen_name) }
+      %a.pull-left{ href: user_path(a.question.user) }
         %img.answerbox__question-user-avatar.avatar-md{ src: a.question.user.profile_picture.url(:medium) }
     .media-body
       - if user_signed_in?
@@ -28,7 +28,7 @@
         = raw t('views.answerbox.asked', user: user_screen_name(a.question.user, context_user: a.user, author_identifier: a.question.author_is_anonymous ? a.question.author_identifier: nil), time: time_tooltip(a.question))
         - if !a.question.author_is_anonymous && !a.question.direct
           ·
-          %a{ href: show_user_question_path(a.question.user.screen_name, a.question.id) }
+          %a{ href: question_path(a.question.user.screen_name, a.question.id) }
             = pluralize(a.question.answer_count, t('views.general.answer'))
       .answerbox__question-text
         = question_markdown a.question.content
diff --git a/app/views/answerbox/_smiles.haml b/app/views/answerbox/_smiles.haml
index ea6ac6ce..3dd5f96b 100644
--- a/app/views/answerbox/_smiles.haml
+++ b/app/views/answerbox/_smiles.haml
@@ -6,7 +6,7 @@
       = t 'views.answerbox.no_smile'
     - else
       - a.smiles.all.each do |smile|
-        %a{ href: show_user_profile_path(smile.user.screen_name),
+        %a{ href: user_path(smile.user),
           title: user_screen_name(smile.user, url: false),
           data: { toggle: :tooltip, placement: :top, smile_id: smile.id } }
           %img.avatar-xs{ src: smile.user.profile_picture.url(:medium) }
diff --git a/app/views/application/_answerbox.haml b/app/views/application/_answerbox.haml
index c9e435bf..70ba3408 100644
--- a/app/views/application/_answerbox.haml
+++ b/app/views/application/_answerbox.haml
@@ -9,7 +9,7 @@
         - if a.content.length > 640
           [...]
           %p
-            %a.btn.btn-primary{ href: show_user_answer_path(a.user.screen_name, a.id) }
+            %a.btn.btn-primary{ href: answer_path(a.user.screen_name, a.id) }
               = t 'views.answerbox.read'
     - else
       .answerbox__answer-text
@@ -19,20 +19,20 @@
         .col-sm-6.text-left.text-muted
           .media
             .pull-left
-              %a{ href: show_user_profile_path(a.user.screen_name) }
+              %a{ href: user_path(a.user) }
                 %img.answerbox__answer-user-avatar.avatar-sm{ src: a.user.profile_picture.url(:medium) }
             .media-body
               %h6.media-heading.answerbox__answer-user
                 = raw t('views.answerbox.answered', hide: hidespan(t('views.answerbox.hide'), 'd-none d-sm-inline'), user: user_screen_name(a.user))
               .answerbox__answer-date
-                = link_to(raw(t('views.answerbox.time', time: time_tooltip(a))), show_user_answer_path(a.user.screen_name, a.id))
+                = link_to(raw(t('views.answerbox.time', time: time_tooltip(a))), answer_path(a.user.screen_name, a.id))
         .col-md-6.d-flex.d-md-block.answerbox__actions
           = render 'answerbox/actions', a: a, display_all: display_all
     - else
       .row
         .col-md-6.text-left.text-muted
           %i.fa.fa-clock-o
-          = link_to(raw(t('views.answerbox.time', time: time_tooltip(a))), show_user_answer_path(a.user.screen_name, a.id), class: 'answerbox__permalink')
+          = link_to(raw(t('views.answerbox.time', time: time_tooltip(a))), answer_path(a.user.screen_name, a.id), class: 'answerbox__permalink')
         .col-md-6.d-md-flex.answerbox__actions
           = render 'answerbox/actions', a: a, display_all: display_all
   .card-footer{ id: "ab-comments-section-#{a.id}", class: display_all.nil? ? 'd-none' : nil }
diff --git a/app/views/discover/_userbox.haml b/app/views/discover/_userbox.haml
index a34869a5..15f94ba1 100644
--- a/app/views/discover/_userbox.haml
+++ b/app/views/discover/_userbox.haml
@@ -2,15 +2,15 @@
   .card-body
     .media
       .pull-left
-        %a{ href: show_user_profile_path(u.screen_name) }
+        %a{ href: user_path(u) }
           %img.avatar-md.mr-2{ src: u.profile_picture.url(:medium) }
       .media-body
         %h6.media-heading.answerbox__question-user
           - if u.profile.display_name.blank?
-            %a{ href: show_user_profile_path(u.screen_name) }
+            %a{ href: user_path(u) }
               = u.screen_name
           - else
-            %a{ href: show_user_profile_path(u.screen_name) }
+            %a{ href: user_path(u) }
               = u.profile.display_name
             %span.text-muted= u.screen_name
         %p.answerbox__question-text
diff --git a/app/views/inbox/_entry.haml b/app/views/inbox/_entry.haml
index 6e314e63..3aee1e3e 100644
--- a/app/views/inbox/_entry.haml
+++ b/app/views/inbox/_entry.haml
@@ -2,7 +2,7 @@
   .card-header
     .media
       - unless i.question.author_is_anonymous
-        %a.pull-left{ href: show_user_profile_path(i.question.user.screen_name) }
+        %a.pull-left{ href: user_path(i.question.user) }
           %img.answerbox__question-user-avatar.avatar-md{ src: i.question.user.profile_picture.url(:medium) }
       .media-body
         %h6.text-muted.media-heading.answerbox__question-user
@@ -11,7 +11,7 @@
           = t(".asked_html", user: user_screen_name(i.question.user, context_user: i.user, author_identifier: i.question.author_is_anonymous ? i.question.author_identifier : nil), time: time_tooltip(i.question))
           - if !i.question.author_is_anonymous && i.question.answer_count.positive?
             ·
-            %a{ href: show_user_question_path(i.question.user.screen_name, i.question.id) }
+            %a{ href: question_path(i.question.user.screen_name, i.question.id) }
               = t(".answers", count: i.question.answer_count)
         .answerbox__question-text= question_markdown i.question.content
       - if i.question.user_id != current_user.id || current_user.has_role?(:administrator)
diff --git a/app/views/inbox/_sidebar.haml b/app/views/inbox/_sidebar.haml
index c195159c..afaf9ee7 100644
--- a/app/views/inbox/_sidebar.haml
+++ b/app/views/inbox/_sidebar.haml
@@ -6,11 +6,11 @@
   .card-header= t(".share.heading")
   .card-body
     %a.btn.btn-block.btn-primary{ target: "_blank",
-      href: "https://twitter.com/intent/tweet?text=Ask%20me%20anything%21&url=#{show_user_profile_url(current_user.screen_name)}" }
+      href: "https://twitter.com/intent/tweet?text=Ask%20me%20anything%21&url=#{user_url(current_user)}" }
       %i.fa.fa-fw.fa-twitter
       = t(".share.button", service: "Twitter")
     %a.btn.btn-block.btn-primary{ target: "_blank",
-      href: "https://www.tumblr.com/share/link?url=#{show_user_profile_url(current_user.screen_name)}&name=Ask%20me%20anything%21" }
+      href: "https://www.tumblr.com/share/link?url=#{user_url(current_user)}&name=Ask%20me%20anything%21" }
       %i.fa.fa-fw.fa-tumblr
       = t(".share.button", service: "Tumblr")
 .card
diff --git a/app/views/modal/_comment_smiles.haml b/app/views/modal/_comment_smiles.haml
index 1ce14d22..3d009a62 100644
--- a/app/views/modal/_comment_smiles.haml
+++ b/app/views/modal/_comment_smiles.haml
@@ -13,6 +13,6 @@
           %ul.smiles__user-list
             - comment.smiles.all.each do |smile|
               %li.smiles__user-list-entry
-                %a{ href: show_user_profile_path(smile.user.screen_name) }
+                %a{ href: user_path(smile.user) }
                   %img{ src: smile.user.profile_picture.url(:small), alt: user_screen_name(smile.user, url: false) }
                   %span= user_screen_name(smile.user, url: false)
diff --git a/app/views/moderation/_moderationbox.haml b/app/views/moderation/_moderationbox.haml
index 5624ab94..ddcc5656 100644
--- a/app/views/moderation/_moderationbox.haml
+++ b/app/views/moderation/_moderationbox.haml
@@ -26,7 +26,7 @@
           %a.btn.btn-primary{ href: content_url(report) }
             = t('views.moderation.moderationbox.view', content: report.type.sub('Reports::', ''))
           - if report.target.respond_to?(:user) && report.target.user
-            %a.btn.btn-primary{ href: show_user_profile_path(report.target.user.screen_name) }
+            %a.btn.btn-primary{ href: user_path(report.target.user) }
               = t('views.moderation.moderationbox.view', content: t('views.general.user'))
         .col-md-4.col-sm-4.col-xs-4.text-right
           %button.btn.btn-default.btn-sm{ type: :button, name: 'mod-delete-report', data: { id: report.id } }
diff --git a/app/views/moderation/inbox/_header.haml b/app/views/moderation/inbox/_header.haml
index 54ca1cd6..94f53fce 100644
--- a/app/views/moderation/inbox/_header.haml
+++ b/app/views/moderation/inbox/_header.haml
@@ -2,7 +2,7 @@
   .container
     .card-body
       .media
-        %a.pull-left{ href: show_user_profile_path(user.screen_name) }
+        %a.pull-left{ href: user_path(user) }
           %img.answerbox__question-user-avatar.avatar-md{ src: user.profile_picture.url(:medium) }
         .media-body
-          = t(".title_html", screen_name: user.screen_name, user_id: user.id)
\ No newline at end of file
+          = t(".title_html", screen_name: user.screen_name, user_id: user.id)
diff --git a/app/views/navigation/dropdown/_profile.haml b/app/views/navigation/dropdown/_profile.haml
index 1a17383c..298608c1 100644
--- a/app/views/navigation/dropdown/_profile.haml
+++ b/app/views/navigation/dropdown/_profile.haml
@@ -1,6 +1,6 @@
 .dropdown-menu.profile-dropdown{ id: "rs-#{size}-nav-profile" }
   %h6.dropdown-header.d-none.d-sm-block= current_user.screen_name
-  %a.dropdown-item{ href: show_user_profile_path(current_user.screen_name) }
+  %a.dropdown-item{ href: user_path(current_user) }
     %i.fa.fa-fw.fa-user
     = t("views.navigation.show")
   %a.dropdown-item{ href: edit_user_registration_path }
diff --git a/app/views/notifications/type/_answer.haml b/app/views/notifications/type/_answer.haml
index 147c25fb..d20de6d5 100644
--- a/app/views/notifications/type/_answer.haml
+++ b/app/views/notifications/type/_answer.haml
@@ -6,7 +6,7 @@
       %img.avatar-xs{ src: notification.target.user.profile_picture.url(:small) }
       = t(".heading_html", 
           user: user_screen_name(notification.target.user), 
-          question: link_to(t(".link_text"), show_user_answer_path(username: notification.target.user.screen_name, id: notification.target.id)),
+          question: link_to(t(".link_text"), answer_path(username: notification.target.user.screen_name, id: notification.target.id)),
           time: time_tooltip(notification.target))
     .list-group
       .list-group-item
diff --git a/app/views/notifications/type/_comment.haml b/app/views/notifications/type/_comment.haml
index 0ef75b85..1e9cc4ca 100644
--- a/app/views/notifications/type/_comment.haml
+++ b/app/views/notifications/type/_comment.haml
@@ -7,17 +7,17 @@
       - if notification.target.answer.user == current_user
         = t(".heading_html",
               user: user_screen_name(notification.target.user),
-              answer: link_to(t(".active.link_text"), show_user_answer_path(username: notification.target.user.screen_name, id: notification.target.answer.id)),
+              answer: link_to(t(".active.link_text"), answer_path(username: notification.target.user.screen_name, id: notification.target.answer.id)),
               time: time_tooltip(notification.target))
       - elsif notification.target.user == notification.target.answer.user
         = t(".heading_html",
               user: user_screen_name(notification.target.user),
-              answer: link_to(t(".passive.link_text"), show_user_answer_path(username: notification.target.user.screen_name, id: notification.target.answer.id)),
+              answer: link_to(t(".passive.link_text"), answer_path(username: notification.target.user.screen_name, id: notification.target.answer.id)),
               time: time_tooltip(notification.target))
       - else
         = t(".heading_html",
               user: user_screen_name(notification.target.user),
-              answer: link_to(t(".other.link_text_html", user: user_screen_name(notification.target.answer.user)), show_user_answer_path(username: notification.target.user.screen_name, id: notification.target.answer.id)),
+              answer: link_to(t(".other.link_text_html", user: user_screen_name(notification.target.answer.user)), answer_path(username: notification.target.user.screen_name, id: notification.target.answer.id)),
               time: time_tooltip(notification.target))
     .list-group
       .list-group-item
diff --git a/app/views/notifications/type/_reaction.haml b/app/views/notifications/type/_reaction.haml
index e28f0d8b..156d867d 100644
--- a/app/views/notifications/type/_reaction.haml
+++ b/app/views/notifications/type/_reaction.haml
@@ -7,12 +7,12 @@
       - if notification.target.parent_type == 'Answer'
         = t(".heading_html",
               user: user_screen_name(notification.target.user),
-              type: link_to(t(".#{notification.target.parent_type.downcase}.link_text"), show_user_answer_path(username: notification.target.user.screen_name, id: notification.target.parent.id)),
+              type: link_to(t(".#{notification.target.parent_type.downcase}.link_text"), answer_path(username: notification.target.user.screen_name, id: notification.target.parent.id)),
               time: time_tooltip(notification.target))
       - elsif notification.target.parent_type == 'Comment'
         = t(".heading_html",
               user: user_screen_name(notification.target.user),
-              type: link_to(t(".#{notification.target.parent_type.downcase}.link_text"), show_user_answer_path(username: notification.target.user.screen_name, id: notification.target.parent.answer.id)),
+              type: link_to(t(".#{notification.target.parent_type.downcase}.link_text"), answer_path(username: notification.target.user.screen_name, id: notification.target.parent.answer.id)),
               time: time_tooltip(notification.target))
     .list-group
       .list-group-item
diff --git a/app/views/question/_question.haml b/app/views/question/_question.haml
index 89449dea..924570d9 100644
--- a/app/views/question/_question.haml
+++ b/app/views/question/_question.haml
@@ -3,7 +3,7 @@
     .card-body
       .media
         - unless question.author_is_anonymous
-          %a.pull-left{ href: unless hidden then show_user_profile_path(question.user.screen_name) end }
+          %a.pull-left{ href: unless hidden then user_path(question.user) end }
             %img.answerbox__question-user-avatar.avatar-md{ src: question.user.profile_picture.url(:medium) }
         .media-body
           - if user_signed_in?
diff --git a/app/views/shared/_question.haml b/app/views/shared/_question.haml
index cfebe94a..9ead4027 100644
--- a/app/views/shared/_question.haml
+++ b/app/views/shared/_question.haml
@@ -25,7 +25,7 @@
           = raw t('views.answerbox.asked', user: user_screen_name(q.user), time: time_tooltip(q))
           - if q.answer_count > 1
             ·
-            %a{ href: show_user_question_path(q.user.screen_name, q.id) }
+            %a{ href: question_path(q.user.screen_name, q.id) }
               = pluralize(q.answer_count, t('views.general.answer'))
         %p.answerbox__question-text
           = q.content
diff --git a/app/views/shared/_sidebar.haml b/app/views/shared/_sidebar.haml
index 508bfb87..7d76746c 100644
--- a/app/views/shared/_sidebar.haml
+++ b/app/views/shared/_sidebar.haml
@@ -15,7 +15,7 @@
       - if @list.members.empty?
         %p.text-muted No members yet.
       - @list.members.each do |member|
-        %a{ href: show_user_profile_path(member.user.screen_name), title: member.user.screen_name, data: { toggle: :tooltip, placement: :top } }
+        %a{ href: user_path(member.user), title: member.user.screen_name, data: { toggle: :tooltip, placement: :top } }
           %img.avatar-xs{ src: member.user.profile_picture.url(:medium) }
 
 = render 'shared/links'
diff --git a/app/views/shared/_userbox.haml b/app/views/shared/_userbox.haml
index 8ae9e144..43e882ea 100644
--- a/app/views/shared/_userbox.haml
+++ b/app/views/shared/_userbox.haml
@@ -3,7 +3,7 @@
   %img.userbox__header{ src: user.profile_header.url(:mobile) }
   .card-body
     %img.userbox__avatar{ src: user.profile_picture.url(:small) }
-    %a.profile__name{ href: show_user_profile_path(user.screen_name) }
+    %a.profile__name{ href: user_path(user) }
       - unless user.profile.display_name.blank?
         .profile__display-name
           = user.profile.display_name
diff --git a/app/views/tabs/_profile.haml b/app/views/tabs/_profile.haml
index 5df6f699..d8d758a3 100644
--- a/app/views/tabs/_profile.haml
+++ b/app/views/tabs/_profile.haml
@@ -1,6 +1,6 @@
 .card
   .list-group.list-group-horizontal-sm.text-center
-    = list_group_item 'Answers', show_user_profile_path(user.screen_name), badge: user.answered_count
+    = list_group_item 'Answers', user_path(user), badge: user.answered_count
     = list_group_item 'Questions', show_user_questions_path(user.screen_name), badge: user.asked_count
     = list_group_item 'Followers', show_user_followers_path(user.screen_name), badge: user.followers.count
     = list_group_item 'Following', show_user_followings_path(user.screen_name), badge: user.followings.count
diff --git a/config/routes.rb b/config/routes.rb
index bb853e03..e484097a 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,169 +1,171 @@
-require 'sidekiq/web'
+# frozen_string_literal: true
+
+require "sidekiq/web"
 Rails.application.routes.draw do
-  start = Time.now
+  start = Time.zone.now
 
   # Routes only accessible by admins (admin panels, sidekiq, pghero)
   authenticate :user, ->(user) { user.has_role?(:administrator) } do
     # Admin panel
-    mount RailsAdmin::Engine => "/justask_admin", as: "rails_admin"
+    mount RailsAdmin::Engine => "/justask_admin", :as => "rails_admin"
 
     mount Sidekiq::Web, at: "/sidekiq"
     mount PgHero::Engine, at: "/pghero", as: "pghero"
 
-    match "/admin/announcements", to: "announcement#index", via: :get, as: :announcement_index
-    match "/admin/announcements", to: "announcement#create", via: :post, as: :announcement_create
-    match "/admin/announcements/new", to: "announcement#new", via: :get, as: :announcement_new
-    match "/admin/announcements/:id/edit", to: "announcement#edit", via: :get, as: :announcement_edit
-    match "/admin/announcements/:id", to: "announcement#update", via: :patch, as: :announcement_update
-    match "/admin/announcements/:id", to: "announcement#destroy", via: :delete, as: :announcement_destroy
+    get "/admin/announcements", to: "announcement#index", as: :announcement_index
+    post "/admin/announcements", to: "announcement#create", as: :announcement_create
+    get "/admin/announcements/new", to: "announcement#new", as: :announcement_new
+    get "/admin/announcements/:id/edit", to: "announcement#edit", as: :announcement_edit
+    patch "/admin/announcements/:id", to: "announcement#update", as: :announcement_update
+    delete "/admin/announcements/:id", to: "announcement#destroy", as: :announcement_destroy
   end
 
   # Routes only accessible by moderators (moderation panel)
   authenticate :user, ->(user) { user.mod? } do
-    match '/moderation/unmask', to: 'moderation#toggle_unmask', via: :post, as: :moderation_toggle_unmask
-    match '/moderation(/:type)', to: 'moderation#index', via: :get, as: :moderation, defaults: {type: 'all'}
-    match '/moderation/inbox/:user', to: 'moderation/inbox#index', via: :get, as: :mod_inbox_index
+    post "/moderation/unmask", to: "moderation#toggle_unmask", as: :moderation_toggle_unmask
+    get "/moderation(/:type)", to: "moderation#index", as: :moderation, defaults: { type: "all" }
+    get "/moderation/inbox/:user", to: "moderation/inbox#index", as: :mod_inbox_index
     namespace :ajax do
-      match '/mod/destroy_report', to: 'moderation#destroy_report', via: :post, as: :mod_destroy_report
-      match '/mod/privilege', to: 'moderation#privilege', via: :post, as: :mod_privilege
-      match '/mod/ban', to: 'moderation#ban', via: :post, as: :mod_ban
+      post "/mod/destroy_report", to: "moderation#destroy_report", as: :mod_destroy_report
+      post "/mod/privilege", to: "moderation#privilege", as: :mod_privilege
+      post "/mod/ban", to: "moderation#ban", as: :mod_ban
     end
   end
 
   unauthenticated :user do
-    root to: 'about#index'
+    root to: "about#index"
   end
 
   authenticate :user do
-    root to: 'timeline#index', as: :timeline
+    root to: "timeline#index", as: :timeline
   end
 
-  match '/about', to: 'about#about', via: 'get'
-  match '/privacy', to: 'about#privacy_policy', via: 'get', as: :privacy_policy
-  match '/terms', to: 'about#terms', via: 'get', as: :terms
-  match '/linkfilter', to: 'link_filter#index', via: 'get', as: :linkfilter
-  match '/manifest.json', to: 'manifests#show', via: 'get', as: :webapp_manifest
+  get "/about", to: "about#about"
+  get "/privacy", to: "about#privacy_policy", as: :privacy_policy
+  get "/terms", to: "about#terms", as: :terms
+  get "/linkfilter", to: "link_filter#index", as: :linkfilter
+  get "/manifest.json", to: "manifests#show", as: :webapp_manifest
 
   # Devise routes
-  devise_for :users, path: 'user', skip: [:sessions, :registrations]
+  devise_for :users, path: "user", skip: %i[sessions registrations]
   as :user do
     # :sessions
-    get 'sign_in' => 'user/sessions#new', as: :new_user_session
-    post 'sign_in' => 'user/sessions#create', as: :user_session
-    delete 'sign_out' => 'devise/sessions#destroy', as: :destroy_user_session
+    get "sign_in" => "user/sessions#new", :as => :new_user_session
+    post "sign_in" => "user/sessions#create", :as => :user_session
+    delete "sign_out" => "devise/sessions#destroy", :as => :destroy_user_session
     # :registrations
-    get 'settings/delete_account' => 'devise/registrations#cancel', as: :cancel_user_registration
-    post '/user/create' => 'user/registrations#create', as: :user_registration
-    get '/sign_up' => 'devise/registrations#new', as: :new_user_registration
-    get '/settings/account' => 'devise/registrations#edit', as: :edit_user_registration
-    patch '/settings/account' => 'devise/registrations#update', as: :update_user_registration
-    put '/settings/account' => 'devise/registrations#update'
-    delete '/settings/account' => 'user/registrations#destroy'
+    get "settings/delete_account" => "devise/registrations#cancel", :as => :cancel_user_registration
+    post "/user/create" => "user/registrations#create", :as => :user_registration
+    get "/sign_up" => "devise/registrations#new", :as => :new_user_registration
+    get "/settings/account" => "devise/registrations#edit", :as => :edit_user_registration
+    patch "/settings/account" => "devise/registrations#update", :as => :update_user_registration
+    put "/settings/account" => "devise/registrations#update"
+    delete "/settings/account" => "user/registrations#destroy"
   end
 
   namespace :settings do
-    get :theme, to: redirect('/settings/theme/edit')
+    get :theme, to: redirect("/settings/theme/edit")
     resource :theme, controller: :theme, only: %i[edit update destroy]
 
-    get :profile, to: redirect('/settings/profile/edit')
+    get :profile, to: redirect("/settings/profile/edit")
     resource :profile, controller: :profile, only: %i[edit update]
 
     resource :profile_picture, controller: :profile_picture, only: %i[update]
 
-    get :privacy, to: redirect('/settings/privacy/edit')
+    get :privacy, to: redirect("/settings/privacy/edit")
     resource :privacy, controller: :privacy, only: %i[edit update]
 
-    get :export, to: 'export#index'
-    post :export, to: 'export#create'
+    get :export, to: "export#index"
+    post :export, to: "export#create"
 
-    get :muted, to: 'mutes#index'
+    get :muted, to: "mutes#index"
 
-    get :blocks, to: 'blocks#index'
+    get :blocks, to: "blocks#index"
 
-    get :data, to: 'data#index'
+    get :data, to: "data#index"
 
     namespace :two_factor_authentication do
-      get :otp_authentication, to: 'otp_authentication#index'
-      patch :otp_authentication, to: 'otp_authentication#update'
-      delete :otp_authentication, to: 'otp_authentication#destroy'
-      match 'otp_authentication/reset', to: 'otp_authentication#reset', via: :delete
+      get :otp_authentication, to: "otp_authentication#index"
+      patch :otp_authentication, to: "otp_authentication#update"
+      delete :otp_authentication, to: "otp_authentication#destroy"
+      delete "otp_authentication/reset", to: "otp_authentication#reset"
     end
   end
-  resolve('Theme') { [:settings_theme] } # to make link_to/form_for work nicely when passing a `Theme` object to it, see also: https://api.rubyonrails.org/v6.1.5.1/classes/ActionDispatch/Routing/Mapper/CustomUrls.html#method-i-resolve
-  resolve('Profile') { [:settings_profile] }
+  resolve("Theme") { [:settings_theme] } # to make link_to/form_for work nicely when passing a `Theme` object to it, see also: https://api.rubyonrails.org/v6.1.5.1/classes/ActionDispatch/Routing/Mapper/CustomUrls.html#method-i-resolve
+  resolve("Profile") { [:settings_profile] }
 
   # resources :services, only: [:index, :destroy]
-  match '/settings/services', to: 'services#index', via: 'get', as: :services
-  match '/settings/services/:id', to: 'services#update', via: 'patch', as: :update_service
-  match '/settings/services/:id', to: 'services#destroy', via: 'delete', as: :service
+  get "/settings/services", to: "services#index", as: :services
+  patch "/settings/services/:id", to: "services#update", as: :update_service
+  delete "/settings/services/:id", to: "services#destroy", as: :service
   controller :services do
     scope "/auth", as: "auth" do
-      get ':provider/callback' => :create
+      get ":provider/callback" => :create
       get :failure
     end
   end
 
   namespace :ajax do
-    match '/ask', to: 'question#create', via: :post, as: :ask
-    match '/destroy_question', to: 'question#destroy', via: :post, as: :destroy_question
-    match '/generate_question', to: 'inbox#create', via: :post, as: :generate_question
-    match '/delete_inbox', to: 'inbox#remove', via: :post, as: :delete_inbox
-    match '/delete_all_inbox', to: 'inbox#remove_all', via: :post, as: :delete_all_inbox
-    match '/delete_all_inbox/:author', to: 'inbox#remove_all_author', via: :post, as: :delete_all_author
-    match '/answer', to: 'answer#create', via: :post, as: :answer
-    match '/destroy_answer', to: 'answer#destroy', via: :post, as: :destroy_answer
-    match '/create_relationship', to: 'relationship#create', via: :post, as: :create_relationship
-    match '/destroy_relationship', to: 'relationship#destroy', via: :post, as: :destroy_relationship
-    match '/create_smile', to: 'smile#create', via: :post, as: :create_smile
-    match '/destroy_smile', to: 'smile#destroy', via: :post, as: :destroy_smile
-    match '/create_comment_smile', to: 'smile#create_comment', via: :post, as: :create_comment_smile
-    match '/destroy_comment_smile', to: 'smile#destroy_comment', via: :post, as: :destroy_comment_smile
-    match '/create_comment', to: 'comment#create', via: :post, as: :create_comment
-    match '/destroy_comment', to: 'comment#destroy', via: :post, as: :destroy_comment
-    match '/report', to: 'report#create', via: :post, as: :report
-    match '/create_list', to: 'list#create', via: :post, as: :create_list
-    match '/destroy_list', to: 'list#destroy', via: :post, as: :destroy_list
-    match '/list_membership', to: 'list#membership', via: :post, as: :list_membership
-    match '/subscribe', to: 'subscription#subscribe', via: :post, as: :subscribe_answer
-    match '/unsubscribe', to: 'subscription#unsubscribe', via: :post, as: :unsubscribe_answer
-    match '/mute', to: 'mute_rule#create', via: :post, as: :create_mute_rule
-    match '/mute/:id', to: 'mute_rule#update', via: :post, as: :update_mute_rule
-    match '/mute/:id', to: 'mute_rule#destroy', via: :delete, as: :delete_mute_rule
-    match '/block_anon', to: 'anonymous_block#create', via: :post, as: :block_anon
-    match '/block_anon/:id', to: 'anonymous_block#destroy', via: :delete, as: :unblock_anon
+    post "/ask", to: "question#create", as: :ask
+    post "/destroy_question", to: "question#destroy", as: :destroy_question
+    post "/generate_question", to: "inbox#create", as: :generate_question
+    post "/delete_inbox", to: "inbox#remove", as: :delete_inbox
+    post "/delete_all_inbox", to: "inbox#remove_all", as: :delete_all_inbox
+    post "/delete_all_inbox/:author", to: "inbox#remove_all_author", as: :delete_all_author
+    post "/answer", to: "answer#create", as: :answer
+    post "/destroy_answer", to: "answer#destroy", as: :destroy_answer
+    post "/create_relationship", to: "relationship#create", as: :create_relationship
+    post "/destroy_relationship", to: "relationship#destroy", as: :destroy_relationship
+    post "/create_smile", to: "smile#create", as: :create_smile
+    post "/destroy_smile", to: "smile#destroy", as: :destroy_smile
+    post "/create_comment_smile", to: "smile#create_comment", as: :create_comment_smile
+    post "/destroy_comment_smile", to: "smile#destroy_comment", as: :destroy_comment_smile
+    post "/create_comment", to: "comment#create", as: :create_comment
+    post "/destroy_comment", to: "comment#destroy", as: :destroy_comment
+    post "/report", to: "report#create", as: :report
+    post "/create_list", to: "list#create", as: :create_list
+    post "/destroy_list", to: "list#destroy", as: :destroy_list
+    post "/list_membership", to: "list#membership", as: :list_membership
+    post "/subscribe", to: "subscription#subscribe", as: :subscribe_answer
+    post "/unsubscribe", to: "subscription#unsubscribe", as: :unsubscribe_answer
+    post "/mute", to: "mute_rule#create", as: :create_mute_rule
+    post "/mute/:id", to: "mute_rule#update", as: :update_mute_rule
+    delete "/mute/:id", to: "mute_rule#destroy", as: :delete_mute_rule
+    post "/block_anon", to: "anonymous_block#create", as: :block_anon
+    delete "/block_anon/:id", to: "anonymous_block#destroy", as: :unblock_anon
   end
 
-  match '/discover', to: 'discover#index', via: :get, as: :discover
-  match '/public', to: 'timeline#public', via: :get, as: :public_timeline if APP_CONFIG.dig(:features, :public, :enabled)
-  match '/list/:list_name', to: 'timeline#list', via: :get, as: :list_timeline
+  get "/discover", to: "discover#index", as: :discover
+  get "/public", to: "timeline#public", as: :public_timeline if APP_CONFIG.dig(:features, :public, :enabled)
+  get "/list/:list_name", to: "timeline#list", as: :list_timeline
 
-  match '/notifications(/:type)', to: 'notifications#index', via: :get, as: :notifications, defaults: {type: 'new'}
+  get "/notifications(/:type)", to: "notifications#index", as: :notifications, defaults: { type: "new" }
 
-  match '/inbox', to: 'inbox#show', via: 'get'
-  match '/inbox/:author', to: 'inbox#show', via: 'get'
+  get "/inbox", to: "inbox#show"
+  get "/inbox/:author", to: "inbox#show"
 
-  match '/user/:username(/p/:page)', to: 'user#show', via: 'get', defaults: {page: 1}
-  match '/@:username(/p/:page)', to: 'user#show', via: 'get', as: :show_user_profile, defaults: {page: 1}
-  match '/@:username/a/:id', to: 'answer#show', via: 'get', as: :show_user_answer
-  match '/@:username/q/:id', to: 'question#show', via: 'get', as: :show_user_question
-  match '/@:username/followers(/p/:page)', to: 'user#followers', via: 'get', as: :show_user_followers, defaults: {page: 1}
-  match '/@:username/followings(/p/:page)', to: 'user#followings', via: 'get', as: :show_user_followings, defaults: {page: 1}
-  match '/@:username/friends(/p/:page)', to: redirect('/@%{username}/followings/p/%{page}'), via: 'get', defaults: {page: 1}
-  match '/@:username/questions(/p/:page)', to: 'user#questions', via: 'get', as: :show_user_questions, defaults: {page: 1}
-  match '/:username(/p/:page)', to: 'user#show', via: 'get', as: :show_user_profile_alt, defaults: {page: 1}
-  match '/:username/a/:id', to: 'answer#show', via: 'get', as: :show_user_answer_alt
-  match '/:username/q/:id', to: 'question#show', via: 'get', as: :show_user_question_alt
-  match '/:username/followers(/p/:page)', to: 'user#followers', via: 'get', as: :show_user_followers_alt, defaults: {page: 1}
-  match '/:username/followings(/p/:page)', to: 'user#followings', via: 'get', as: :show_user_followings_alt, defaults: {page: 1}
-  match '/:username/friends(/p/:page)', to: redirect('/%{username}/followings/p/%{page}'), via: 'get', defaults: {page: 1}
-  match '/:username/questions(/p/:page)', to: 'user#questions', via: 'get', as: :show_user_questions_alt, defaults: {page: 1}
+  get "/user/:username(/p/:page)", to: "user#show", defaults: { page: 1 }
+  get "/@:username(/p/:page)", to: "user#show", as: :user, defaults: { page: 1 }
+  get "/@:username/a/:id", to: "answer#show", via: "get", as: :answer
+  get "/@:username/q/:id", to: "question#show", via: "get", as: :question
+  get "/@:username/followers(/p/:page)", to: "user#followers", as: :show_user_followers, defaults: { page: 1 }
+  get "/@:username/followings(/p/:page)", to: "user#followings", as: :show_user_followings, defaults: { page: 1 }
+  get "/@:username/friends(/p/:page)", to: redirect("/@%{username}/followings/p/%{page}"), defaults: { page: 1 }
+  get "/@:username/questions(/p/:page)", to: "user#questions", as: :show_user_questions, defaults: { page: 1 }
+  get "/:username(/p/:page)", to: "user#show", as: :user_alt, defaults: { page: 1 }
+  get "/:username/a/:id", to: "answer#show", as: :answer_alt
+  get "/:username/q/:id", to: "question#show", as: :question_alt
+  get "/:username/followers(/p/:page)", to: "user#followers", as: :show_user_followers_alt, defaults: { page: 1 }
+  get "/:username/followings(/p/:page)", to: "user#followings", as: :show_user_followings_alt, defaults: { page: 1 }
+  get "/:username/friends(/p/:page)", to: redirect("/%{username}/followings/p/%{page}"), defaults: { page: 1 }
+  get "/:username/questions(/p/:page)", to: "user#questions", as: :show_user_questions_alt, defaults: { page: 1 }
 
-  match '/feedback/consent', to: 'feedback#consent', via: 'get', as: 'feedback_consent'
-  match '/feedback/consent/update', to: 'feedback#update', via: 'post', as: 'feedback_consent_update'
-  match '/feedback/bugs(/*any)', to: 'feedback#bugs', via: 'get', as: 'feedback_bugs'
-  match '/feedback/feature_requests(/*any)', to: 'feedback#features', via: 'get', as: 'feedback_features'
+  get "/feedback/consent", to: "feedback#consent", as: "feedback_consent"
+  post "/feedback/consent/update", to: "feedback#update", as: "feedback_consent_update"
+  get "/feedback/bugs(/*any)", to: "feedback#bugs", as: "feedback_bugs"
+  get "/feedback/feature_requests(/*any)", to: "feedback#features", as: "feedback_features"
 
-  get '/.well-known/change-password', to: redirect('/settings/account')
+  get "/.well-known/change-password", to: redirect("/settings/account")
 
-  puts 'processing time of routes.rb: ' + "#{(Time.now - start).round(3).to_s.ljust(5, '0')}s".light_green
+  puts "processing time of routes.rb: #{"#{(Time.zone.now - start).round(3).to_s.ljust(5, '0')}s".light_green}"
 end
diff --git a/spec/helpers/user_helper_spec.rb b/spec/helpers/user_helper_spec.rb
index ea822735..1187070a 100644
--- a/spec/helpers/user_helper_spec.rb
+++ b/spec/helpers/user_helper_spec.rb
@@ -37,7 +37,7 @@ describe UserHelper, type: :helper do
 
           context "user is not banned" do
             it "unmasks the author" do
-              expect(subject).to eq(link_to(user.profile.safe_name, show_user_profile_path(user.screen_name), class: ""))
+              expect(subject).to eq(link_to(user.profile.safe_name, user_path(user), class: ""))
             end
           end
 
@@ -47,7 +47,7 @@ describe UserHelper, type: :helper do
             end
 
             it "unmasks the author" do
-              expect(subject).to eq(link_to(user.profile.safe_name, show_user_profile_path(user.screen_name), class: "user--banned"))
+              expect(subject).to eq(link_to(user.profile.safe_name, user_path(user), class: "user--banned"))
             end
           end
         end
@@ -114,7 +114,7 @@ describe UserHelper, type: :helper do
             let(:link_only) { true }
 
             it "returns the url to the user's profile" do
-              expect(subject).to eq(show_user_profile_path(user.screen_name))
+              expect(subject).to eq(user_path(user))
             end
           end
 
@@ -123,7 +123,7 @@ describe UserHelper, type: :helper do
 
             context "user is not banned" do
               it "returns a link tag to the user's profile" do
-                expect(subject).to eq(link_to(user.profile.safe_name, show_user_profile_path(user.screen_name), class: ""))
+                expect(subject).to eq(link_to(user.profile.safe_name, user_path(user), class: ""))
               end
             end
 
@@ -133,7 +133,7 @@ describe UserHelper, type: :helper do
               end
 
               it "returns a link tag to the user's profile" do
-                expect(subject).to eq(link_to(user.profile.safe_name, show_user_profile_path(user.screen_name), class: "user--banned"))
+                expect(subject).to eq(link_to(user.profile.safe_name, user_path(user), class: "user--banned"))
               end
             end
           end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index cd8be3e0..f1bb145e 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -103,6 +103,12 @@ RSpec.describe User, type: :model do
     include_examples "invalid email", "fritz.fantom@protonmail"
   end
 
+  describe "#to_param" do
+    subject { me.to_param }
+
+    it { is_expected.to eq me.screen_name }
+  end
+
   # -- User::TimelineMethods --
 
   shared_examples_for "result is blank" do