diff --git a/app/helpers/icon_helper.rb b/app/helpers/icon_helper.rb
index 11a21841c..7f88d3282 100644
--- a/app/helpers/icon_helper.rb
+++ b/app/helpers/icon_helper.rb
@@ -214,12 +214,16 @@ module IconHelper
     case site_name
     when "Amazon"
       image_icon_tag("amazon-logo.png", **options)
+    when "Ameblo"
+      image_icon_tag("ameblo-logo.png", **options)
     when "ArtStation"
       image_icon_tag("artstation-logo.png", **options)
     when "Ask.fm"
       image_icon_tag("ask-fm-logo.png", **options)
     when "BCY"
       image_icon_tag("bcy-logo.png", **options)
+    when "Biglobe"
+      image_icon_tag("biglobe-logo.png", **options)
     when "Booth.pm"
       image_icon_tag("booth-pm-logo.png", **options)
     when "Circle.ms"
@@ -240,10 +244,16 @@ module IconHelper
       image_icon_tag("fc2-logo.png", **options)
     when "Foundation"
       image_icon_tag("foundation-logo.png", **options)
+    when "Geocities"
+      image_icon_tag("geocities-logo.png", **options)
+    when "Google"
+      image_icon_tag("google-logo.png", **options)
     when "Gumroad"
       image_icon_tag("gumroad-logo.png", **options)
     when "Hentai Foundry"
       image_icon_tag("hentai-foundry-logo.png", **options)
+    when "Infoseek"
+      image_icon_tag("infoseek-logo.png", **options)
     when "Instagram"
       image_icon_tag("instagram-logo.png", **options)
     when "Ko-fi"
@@ -256,12 +266,18 @@ module IconHelper
       image_icon_tag("mangaupdates-logo.png", **options)
     when "Marshmallow Qa"
       image_icon_tag("marshmallow-qa-logo.png", **options)
+    when "Mastodon", "Mstdn" # https://mastodon.cloud, https://mstdn.jp
+      image_icon_tag("mastodon-logo.png", **options)
     when "Melonbooks"
       image_icon_tag("melonbooks-logo.png", **options)
     when "Mihuashi"
       image_icon_tag("mihuashi-logo.png", **options)
     when "Mixi.jp"
       image_icon_tag("mixi-jp-logo.png", **options)
+    when "Naver"
+      image_icon_tag("naver-logo.png", **options)
+    when "Newgrounds"
+      image_icon_tag("newgrounds-logo.png", **options)
     when "Nico Seiga"
       image_icon_tag("nicoseiga-logo.png", **options)
     when "Nijie"
@@ -286,6 +302,8 @@ module IconHelper
       image_icon_tag("plurk-logo.png", **options)
     when "Privatter"
       image_icon_tag("privatter-logo.png", **options)
+    when "Reddit"
+      image_icon_tag("reddit-logo.png", **options)
     when "Sakura.ne.jp"
       image_icon_tag("sakura-ne-jp-logo.png", **options)
     when "Stickam"
diff --git a/app/logical/source/url/null.rb b/app/logical/source/url/null.rb
index d528018e6..911ca4d61 100644
--- a/app/logical/source/url/null.rb
+++ b/app/logical/source/url/null.rb
@@ -19,7 +19,7 @@ class Source::URL::Null < Source::URL
       "Circle.ms"
     when /dlsite\.(com|net)\z/i
       "DLSite"
-    when /doujinshi\.mugimugi\.org\z/i
+    when /doujinshi\.org\z/i, /doujinshi\.mugimugi\.org\z/i
       "Doujinshi.org"
     when /ko-fi\.com\z/i
       "Ko-fi"
diff --git a/public/images/ameblo-logo.png b/public/images/ameblo-logo.png
new file mode 100644
index 000000000..2290f7597
Binary files /dev/null and b/public/images/ameblo-logo.png differ
diff --git a/public/images/biglobe-logo.png b/public/images/biglobe-logo.png
new file mode 100644
index 000000000..a06b4bf04
Binary files /dev/null and b/public/images/biglobe-logo.png differ
diff --git a/public/images/geocities-logo.png b/public/images/geocities-logo.png
new file mode 100644
index 000000000..e9ebfa136
Binary files /dev/null and b/public/images/geocities-logo.png differ
diff --git a/public/images/google-logo.png b/public/images/google-logo.png
new file mode 100644
index 000000000..9a7b103b3
Binary files /dev/null and b/public/images/google-logo.png differ
diff --git a/public/images/infoseek-logo.png b/public/images/infoseek-logo.png
new file mode 100644
index 000000000..788da96cd
Binary files /dev/null and b/public/images/infoseek-logo.png differ
diff --git a/public/images/mastodon-logo.png b/public/images/mastodon-logo.png
new file mode 100644
index 000000000..ec784cd7b
Binary files /dev/null and b/public/images/mastodon-logo.png differ
diff --git a/public/images/naver-logo.png b/public/images/naver-logo.png
new file mode 100644
index 000000000..f0d5f7ec0
Binary files /dev/null and b/public/images/naver-logo.png differ
diff --git a/public/images/newgrounds-logo.png b/public/images/newgrounds-logo.png
new file mode 100644
index 000000000..8d38e70c8
Binary files /dev/null and b/public/images/newgrounds-logo.png differ
diff --git a/public/images/reddit-logo.png b/public/images/reddit-logo.png
new file mode 100644
index 000000000..87832a89e
Binary files /dev/null and b/public/images/reddit-logo.png differ