diff --git a/Gemfile b/Gemfile
index 2a869a6..220eae3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,4 +10,4 @@ end
 
 gem 'asciidoctor', '~> 1.5.4'
 gem 'coderay', '1.1.1'
-
+gem 'html-proofer'
diff --git a/Gemfile.lock b/Gemfile.lock
index e5e2f19..b3ebcda 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,6 +86,15 @@ GEM
     html-pipeline (2.12.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
+    html-proofer (3.12.0)
+      addressable (~> 2.3)
+      mercenary (~> 0.3)
+      nokogiri (~> 1.10)
+      parallel (~> 1.3)
+      rainbow (~> 3.0)
+      timerizer (~> 0.3)
+      typhoeus (~> 1.3)
+      yell (~> 2.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
@@ -214,9 +223,11 @@ GEM
       mini_portile2 (~> 2.4.0)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
+    parallel (1.17.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (3.1.1)
+    rainbow (3.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -237,11 +248,13 @@ GEM
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
+    timerizer (0.3.2)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unicode-display_width (1.6.0)
+    yell (2.2.0)
 
 PLATFORMS
   ruby
@@ -250,6 +263,7 @@ DEPENDENCIES
   asciidoctor (~> 1.5.4)
   coderay (= 1.1.1)
   github-pages
+  html-proofer
   jekyll-asciidoc
   jekyll-gist
   jekyll-paginate
diff --git a/_config_local.yml b/_config_local.yml
new file mode 100644
index 0000000..f2b761f
--- /dev/null
+++ b/_config_local.yml
@@ -0,0 +1,2 @@
+url: ""
+baseurl: ""
\ No newline at end of file