diff --git a/app/models/redirect.rb b/app/models/redirect.rb
index edd0f488..d59041ea 100644
--- a/app/models/redirect.rb
+++ b/app/models/redirect.rb
@@ -31,10 +31,6 @@ def shorten
     end
   end
 
-  def to_url
-    raise "Use #from_url"
-  end
-
   def from_url
     File.join(blog.shortener_url, from_path)
   end
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 25233393..71bf9a5b 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -19,11 +19,9 @@ def self.create_from_article!(article)
 
     tags = []
     Tag.transaction do
-      tagwords = article.keywords.to_s.scan(/((['"]).*?\2|[.:[[:alnum:]]]+)/).map do |x|
-        x.first.tr("\"'", "")
-      end
+      tagwords = article.keywords.to_s.scan(/((['"]).*?\2|[.:[[:alnum:]]]+)/).map(&:first)
       tagwords.uniq.each do |tagword|
-        tagname = tagword.to_url
+        tagname = tagword.to_permalink
         tags << article.blog.tags.find_or_create_by(name: tagname) do |tag|
           tag.display_name = tagword
         end
@@ -35,7 +33,7 @@ def self.create_from_article!(article)
 
   def ensure_naming_conventions
     self.display_name = name if display_name.blank?
-    self.name = display_name.to_url if display_name.present?
+    self.name = display_name.to_permalink if display_name.present?
   end
 
   def self.find_all_with_content_counters
diff --git a/lib/publify_core/string_ext.rb b/lib/publify_core/string_ext.rb
index e5042c7f..bccb2c1a 100644
--- a/lib/publify_core/string_ext.rb
+++ b/lib/publify_core/string_ext.rb
@@ -21,6 +21,12 @@ def to_permalink
       string.gsub(/<[^>]*>/, "").to_url
     end
 
+    def to_title(item, settings, params)
+      TitleBuilder.new(self).build(item, settings, params)
+    end
+
+    protected
+
     # Returns a-string-with-dashes when passed 'a string with dashes'.
     # All special chars are stripped in the process
     def to_url
@@ -30,10 +36,6 @@ def to_url
       s = s.gsub(/\P{Word}/, " ")
       s.strip.tr_s(" ", "-").tr(" ", "-").sub(/^$/, "-")
     end
-
-    def to_title(item, settings, params)
-      TitleBuilder.new(self).build(item, settings, params)
-    end
   end
 end
 
diff --git a/spec/models/article_spec.rb b/spec/models/article_spec.rb
index 57839f04..ec278893 100644
--- a/spec/models/article_spec.rb
+++ b/spec/models/article_spec.rb
@@ -132,16 +132,6 @@
     expect(not_found).to be_nil
   end
 
-  it "test_strip_title" do
-    expect("Article-3".to_url).to eq "article-3"
-    expect("Article 3!?#".to_url).to eq "article-3"
-    expect("There is Sex in my Violence!".to_url).to eq "there-is-sex-in-my-violence"
-    expect("-article-".to_url).to eq "article"
-    expect("Lorem ipsum dolor sit amet, consectetaur adipisicing elit".to_url)
-      .to eq "lorem-ipsum-dolor-sit-amet-consectetaur-adipisicing-elit"
-    expect("My Cat's Best Friend".to_url).to eq "my-cats-best-friend"
-  end
-
   describe "#set_permalink" do
     it "works for simple cases" do
       a = blog.articles.build(title: "Article 3!", state: :published)
diff --git a/spec/publify_core/string_ext_spec.rb b/spec/publify_core/string_ext_spec.rb
index 4e9b40c4..51493b1c 100644
--- a/spec/publify_core/string_ext_spec.rb
+++ b/spec/publify_core/string_ext_spec.rb
@@ -8,11 +8,52 @@
       expect("L'été s'ra chaud, l'été s'ra chaud".to_permalink)
         .to eq("l-ete-s-ra-chaud-l-ete-s-ra-chaud")
     end
-  end
 
-  describe "to_url" do
-    it "gives a proper space-less, trimmed URL" do
-      expect(" this is  a sentence ".to_url).to eq("this-is-a-sentence")
+    it "strips html" do
+      expect("This <i>is</i> a <b>test</b>".to_permalink)
+        .to eq "this-is-a-test"
+    end
+
+    it "downcases the string" do
+      expect("Article-3".to_permalink).to eq "article-3"
+    end
+
+    it "strips trailing special characters" do
+      expect("Article 3!?#".to_permalink).to eq "article-3"
+    end
+
+    it "replaces special characters with a dash" do
+      expect("foo@bar".to_permalink).to eq "foo-bar"
+    end
+
+    it "handles more than two words" do
+      expect("There is Sex in my Violence!".to_permalink)
+        .to eq "there-is-sex-in-my-violence"
+    end
+
+    it "strips leading and trailing dashes" do
+      expect("-article-".to_permalink).to eq "article"
+    end
+
+    it "handles punctuation in the middle of th string" do
+      expect("Lorem ipsum dolor sit amet, consectetaur adipisicing elit".to_permalink)
+        .to eq "lorem-ipsum-dolor-sit-amet-consectetaur-adipisicing-elit"
+    end
+
+    it "drops leading and trailing spaces" do
+      expect(" this is a sentence ".to_permalink).to eq("this-is-a-sentence")
+    end
+
+    it "compresses multiple spaces to a single space" do
+      expect("this is  a sentence".to_permalink).to eq("this-is-a-sentence")
+    end
+
+    it "replaces single quotes with a dash" do
+      expect("My Cat's Best Friend".to_permalink).to eq "my-cat-s-best-friend"
+    end
+
+    it "drops double quotes instead of replacing them with a dash" do
+      expect("bar\"baz".to_permalink).to eq "barbaz"
     end
   end
 end