diff --git a/Gemfile b/Gemfile
index d77a29b792..b417a8d2ec 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ gem 'hamlit-rails', '~> 0.2'
 gem 'pg', '~> 1.1'
 gem 'makara', '~> 0.4'
 gem 'pghero', '~> 2.2'
-gem 'dotenv-rails', '~> 2.2', '< 2.3'
+gem 'dotenv-rails', '~> 2.5'
 
 gem 'aws-sdk-s3', '~> 1.21', require: false
 gem 'fog-core', '~> 2.1'
@@ -109,7 +109,7 @@ end
 group :test do
   gem 'capybara', '~> 3.9'
   gem 'climate_control', '~> 0.2'
-  gem 'faker', '~> 1.8'
+  gem 'faker', '~> 1.9'
   gem 'microformats', '~> 4.0'
   gem 'rails-controller-testing', '~> 1.0'
   gem 'rspec-sidekiq', '~> 3.0'
@@ -121,7 +121,7 @@ end
 group :development do
   gem 'active_record_query_trace', '~> 1.5'
   gem 'annotate', '~> 2.7'
-  gem 'better_errors', '~> 2.4'
+  gem 'better_errors', '~> 2.5'
   gem 'binding_of_caller', '~> 0.7'
   gem 'bullet', '~> 5.7'
   gem 'letter_opener', '~> 1.4'
@@ -133,7 +133,7 @@ group :development do
   gem 'scss_lint', '~> 0.57', require: false
 
   gem 'capistrano', '~> 3.11'
-  gem 'capistrano-rails', '~> 1.3'
+  gem 'capistrano-rails', '~> 1.4'
   gem 'capistrano-rbenv', '~> 2.1'
   gem 'capistrano-yarn', '~> 2.0'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 3583bc396e..13c1127b06 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
     aws-sigv4 (1.0.3)
     bcrypt (3.1.12)
     benchmark-ips (2.7.2)
-    better_errors (2.4.0)
+    better_errors (2.5.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
       rack (>= 0.9.0)
@@ -103,7 +103,7 @@ GEM
     brakeman (4.3.1)
     browser (2.5.3)
     builder (3.2.3)
-    bullet (5.7.5)
+    bullet (5.7.6)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11.0)
     bundler-audit (0.6.0)
@@ -118,7 +118,7 @@ GEM
     capistrano-bundler (1.3.0)
       capistrano (~> 3.1)
       sshkit (~> 1.2)
-    capistrano-rails (1.3.1)
+    capistrano-rails (1.4.0)
       capistrano (~> 3.1)
       capistrano-bundler (~> 1.1)
     capistrano-rbenv (2.1.4)
@@ -184,9 +184,9 @@ GEM
       unf (>= 0.0.5, < 1.0.0)
     doorkeeper (5.0.0)
       railties (>= 4.2)
-    dotenv (2.2.2)
-    dotenv-rails (2.2.2)
-      dotenv (= 2.2.2)
+    dotenv (2.5.0)
+    dotenv-rails (2.5.0)
+      dotenv (= 2.5.0)
       railties (>= 3.2, < 6.0)
     elasticsearch (6.0.2)
       elasticsearch-api (= 6.0.2)
@@ -204,7 +204,7 @@ GEM
       tzinfo
     excon (0.62.0)
     fabrication (2.20.1)
-    faker (1.8.7)
+    faker (1.9.1)
       i18n (>= 0.7)
     faraday (0.15.0)
       multipart-post (>= 1.2, < 3)
@@ -330,7 +330,7 @@ GEM
       mimemagic (~> 0.3.2)
     mario-redis-lock (1.2.1)
       redis (>= 3.0.5)
-    memory_profiler (0.9.11)
+    memory_profiler (0.9.12)
     method_source (0.9.0)
     microformats (4.0.7)
       json
@@ -539,14 +539,14 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.4.4)
       nokogumbo (~> 1.4)
-    sass (3.5.6)
+    sass (3.6.0)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    scss_lint (0.57.0)
+    scss_lint (0.57.1)
       rake (>= 0.9, < 13)
-      sass (~> 3.5.5)
+      sass (~> 3.5, >= 3.5.5)
     sidekiq (5.2.2)
       connection_pool (~> 2.2, >= 2.2.2)
       rack-protection (>= 1.5.0)
@@ -654,7 +654,7 @@ DEPENDENCIES
   addressable (~> 2.5)
   annotate (~> 2.7)
   aws-sdk-s3 (~> 1.21)
-  better_errors (~> 2.4)
+  better_errors (~> 2.5)
   binding_of_caller (~> 0.7)
   bootsnap (~> 1.3)
   brakeman (~> 4.3)
@@ -662,7 +662,7 @@ DEPENDENCIES
   bullet (~> 5.7)
   bundler-audit (~> 0.6)
   capistrano (~> 3.11)
-  capistrano-rails (~> 1.3)
+  capistrano-rails (~> 1.4)
   capistrano-rbenv (~> 2.1)
   capistrano-yarn (~> 2.0)
   capybara (~> 3.9)
@@ -675,9 +675,9 @@ DEPENDENCIES
   devise-two-factor (~> 3.0)
   devise_pam_authenticatable2 (~> 9.2)
   doorkeeper (~> 5.0)
-  dotenv-rails (~> 2.2, < 2.3)
+  dotenv-rails (~> 2.5)
   fabrication (~> 2.20)
-  faker (~> 1.8)
+  faker (~> 1.9)
   fast_blank (~> 1.0)
   fastimage
   fog-core (~> 2.1)
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index c002017ef6..e9b48fa982 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -82,4 +82,20 @@ module ApplicationHelper
     output << 'rtl' if locale_direction == 'rtl'
     output.reject(&:blank?).join(' ')
   end
+
+  def cdn_host
+    ENV['CDN_HOST'].presence
+  end
+
+  def cdn_host?
+    cdn_host.present?
+  end
+
+  def storage_host
+    ENV['S3_ALIAS_HOST'].presence || ENV['S3_CLOUDFRONT_HOST'].presence
+  end
+
+  def storage_host?
+    storage_host.present?
+  end
 end
diff --git a/app/javascript/core/settings.js b/app/javascript/core/settings.js
index 377c899dc5..af97c84f93 100644
--- a/app/javascript/core/settings.js
+++ b/app/javascript/core/settings.js
@@ -56,7 +56,7 @@ delegate(document, '.input-copy input', 'click', ({ target }) => {
 });
 
 delegate(document, '.input-copy button', 'click', ({ target }) => {
-  const input = target.parentNode.querySelector('input');
+  const input = target.parentNode.querySelector('.input-copy__wrapper input');
 
   input.focus();
   input.select();
diff --git a/app/views/accounts/_og.html.haml b/app/views/accounts/_og.html.haml
index a583b39c2c..de948ec6ab 100644
--- a/app/views/accounts/_og.html.haml
+++ b/app/views/accounts/_og.html.haml
@@ -1,7 +1,11 @@
+- description = account_description(account)
+
+%meta{ name: 'description', content: description }/
+
 = opengraph 'og:url', url
 = opengraph 'og:site_name', site_title
 = opengraph 'og:title', yield(:page_title).strip
-= opengraph 'og:description', account_description(account)
+= opengraph 'og:description', description
 = opengraph 'og:image', full_asset_url(account.avatar.url(:original))
 = opengraph 'og:image:width', '120'
 = opengraph 'og:image:height', '120'
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 36b4e9cae3..7d3daf6c9e 100755
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -3,6 +3,13 @@
   %head
     %meta{ charset: 'utf-8' }/
     %meta{ name: 'viewport', content: 'width=device-width, initial-scale=1' }/
+
+    - if cdn_host?
+      %link{ rel: 'dns-prefetch', href: cdn_host }/
+
+    - if storage_host?
+      %link{ rel: 'dns-prefetch', href: storage_host }/
+
     %link{ rel: 'icon', href: favicon_path, type: 'image/x-icon' }/
     %link{ rel: 'apple-touch-icon', sizes: '180x180', href: '/apple-touch-icon.png' }/
     %link{ rel: 'mask-icon', href: '/mask-icon.svg', color: '#2B90D9' }/
diff --git a/app/views/shared/_og.html.haml b/app/views/shared/_og.html.haml
index 76db511cd8..802d8c41d4 100644
--- a/app/views/shared/_og.html.haml
+++ b/app/views/shared/_og.html.haml
@@ -1,9 +1,13 @@
 - thumbnail = @instance_presenter.thumbnail
+- description = strip_tags(@instance_presenter.site_short_description.presence || @instance_presenter.site_description.presence || t('about.about_mastodon_html'))
+
+%meta{ name: 'description', content: description }/
+
 = opengraph 'og:site_name', t('about.hosted_on', domain: site_hostname)
 = opengraph 'og:url', url_for(only_path: false)
 = opengraph 'og:type', 'website'
 = opengraph 'og:title', @instance_presenter.site_title
-= opengraph 'og:description', strip_tags(@instance_presenter.site_short_description.presence || @instance_presenter.site_description.presence || t('about.about_mastodon_html'))
+= opengraph 'og:description', description
 = opengraph 'og:image', full_asset_url(thumbnail&.file&.url || asset_pack_path('preview.jpg', protocol: :request))
 = opengraph 'og:image:width', thumbnail ? thumbnail.meta['width'] : '1200'
 = opengraph 'og:image:height', thumbnail ? thumbnail.meta['height'] : '630'
diff --git a/app/views/stream_entries/_og_description.html.haml b/app/views/stream_entries/_og_description.html.haml
index 3d122b94ef..a7b18424d2 100644
--- a/app/views/stream_entries/_og_description.html.haml
+++ b/app/views/stream_entries/_og_description.html.haml
@@ -1 +1,4 @@
-= opengraph 'og:description', status_description(activity)
+- description = status_description(activity)
+
+%meta{ name: 'description', content: description }/
+= opengraph 'og:description', description
diff --git a/app/workers/scheduler/pghero_scheduler.rb b/app/workers/scheduler/pghero_scheduler.rb
new file mode 100644
index 0000000000..4453bf2cd0
--- /dev/null
+++ b/app/workers/scheduler/pghero_scheduler.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class Scheduler::PgheroScheduler
+  include Sidekiq::Worker
+
+  sidekiq_options unique: :until_executed, retry: 0
+
+  def perform
+    PgHero.capture_space_stats
+  end
+end
diff --git a/config/sidekiq.yml b/config/sidekiq.yml
index 6a09bb6e9a..c44af5b6c5 100644
--- a/config/sidekiq.yml
+++ b/config/sidekiq.yml
@@ -33,3 +33,6 @@
   backup_cleanup_scheduler:
     cron: '<%= Random.rand(0..59) %> <%= Random.rand(3..5) %> * * *'
     class: Scheduler::BackupCleanupScheduler
+  pghero_scheduler:
+    cron: '0 0 * * *'
+    class: Scheduler::PgheroScheduler
diff --git a/db/migrate/20181007025445_create_pghero_space_stats.rb b/db/migrate/20181007025445_create_pghero_space_stats.rb
new file mode 100644
index 0000000000..6198a6f846
--- /dev/null
+++ b/db/migrate/20181007025445_create_pghero_space_stats.rb
@@ -0,0 +1,13 @@
+class CreatePgheroSpaceStats < ActiveRecord::Migration[5.2]
+  def change
+    create_table :pghero_space_stats do |t|
+      t.text :database
+      t.text :schema
+      t.text :relation
+      t.integer :size, limit: 8
+      t.timestamp :captured_at
+    end
+
+    add_index :pghero_space_stats, [:database, :captured_at]
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 8ab3ea3c06..f9019e8cf6 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2018_09_29_222014) do
+ActiveRecord::Schema.define(version: 2018_10_07_025445) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -382,6 +382,15 @@ ActiveRecord::Schema.define(version: 2018_09_29_222014) do
     t.index ["uid"], name: "index_oauth_applications_on_uid", unique: true
   end
 
+  create_table "pghero_space_stats", force: :cascade do |t|
+    t.text "database"
+    t.text "schema"
+    t.text "relation"
+    t.bigint "size"
+    t.datetime "captured_at"
+    t.index ["database", "captured_at"], name: "index_pghero_space_stats_on_database_and_captured_at"
+  end
+
   create_table "preview_cards", force: :cascade do |t|
     t.string "url", default: "", null: false
     t.string "title", default: "", null: false