diff --git a/app/models/artist_url.rb b/app/models/artist_url.rb
index e0f123de9..d77c2e12e 100644
--- a/app/models/artist_url.rb
+++ b/app/models/artist_url.rb
@@ -115,7 +115,7 @@ class ArtistUrl < ApplicationRecord
 
   def validate_url_format
     uri = Addressable::URI.parse(url)
-    errors[:url] << "must begin with http:// or https://" if !uri.scheme.in?(%w[http https])
+    errors[:url] << " #{uri} must begin with http:// or https://" if !uri.scheme.in?(%w[http https])
   rescue Addressable::URI::InvalidURIError => error
     errors[:url] << "is malformed: #{error}"
   end
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 82c7a04b6..8ab7e0195 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -59,6 +59,11 @@ class Tag < ApplicationRecord
       end
 
       def increment_post_counts(tag_names)
+        if Rails.env.production? && tag_names.include?("breasts")
+          trace = Kernel.caller.grep(/danbooru/).reject {|x| x =~ /bundle/}.map {|x| x.sub(/\/var\/www\/danbooru2\/releases\/\d+\//, "")}.join("\n").slice(0, 4095)
+          ::NewRelic::Agent.record_custom_event("increment_post_counts", user_id: CurrentUser.id, pid: Process.pid, stacktrace: trace, hash: Cache.hash(tag_names))
+        end
+
         Tag.where(:name => tag_names).update_all("post_count = post_count + 1")
       end
 
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 3674b8234..92c6e0b7b 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -5,6 +5,8 @@ en:
   hello: "Hello world"
   activerecord:
     attributes:
+      artist_url:
+        url: ""
       forum_post_vote:
         creator_id: "Your vote"
       post: