diff --git a/CNAME b/CNAME
new file mode 100644
index 0000000..1721c5d
--- /dev/null
+++ b/CNAME
@@ -0,0 +1 @@
+notes.quangthang.men
\ No newline at end of file
diff --git a/_config.yml b/_config.yml
index 8647aed..1dacecc 100644
--- a/_config.yml
+++ b/_config.yml
@@ -100,10 +100,9 @@ gh_edit_view_mode: "tree" # "tree" or "edit" if you want the user to jump into t
 # Color scheme currently only supports "dark", "light"/nil (default), or a custom scheme that you define
 color_scheme: nil
 
-# Google Analytics Tracking (optional)
-# e.g, UA-1234567-89
-ga_tracking: UA-2709176-10
-ga_tracking_anonymize_ip: true # Use GDPR compliant Google Analytics settings (true/nil by default)
+# Cloudflare Analytics 
+
+cf_tracking: a3bc8207481e41caad5cb16558187c6b
 
 plugins:
   - jekyll-seo-tag
diff --git a/_includes/footer_custom.html b/_includes/footer_custom.html
index 64e08c2..649f583 100644
--- a/_includes/footer_custom.html
+++ b/_includes/footer_custom.html
@@ -1,3 +1,9 @@
 {%- if site.footer_content -%}
   <p class="text-small text-grey-dk-100 mb-0">{{ site.footer_content }}</p>
+  {% if site.cf_tracking != nil %}
+      <!-- Cloudflare Web Analytics -->
+      <script defer src='https://static.cloudflareinsights.com/beacon.min.js' data-cf-beacon='{"token": "{{ site.cf_tracking }}"}'>
+      </script>
+      <!-- End Cloudflare Web Analytics -->
+  {% endif %}
 {%- endif -%}
diff --git a/just-the-docs.gemspec b/just-the-docs.gemspec
index 6d467e2..21414bd 100644
--- a/just-the-docs.gemspec
+++ b/just-the-docs.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
   spec.files         = `git ls-files -z`.split("\x0").select { |f| f.match(%r{^(assets|bin|_layouts|_includes|lib|Rakefile|_sass|LICENSE|README)}i) }
   spec.executables   << 'just-the-docs'
 
-  spec.add_development_dependency "bundler", "~> 2.1.4"
+  spec.add_development_dependency "bundler", ">= 2.1.4"
   spec.add_runtime_dependency "jekyll", ">= 3.8.5"
   spec.add_runtime_dependency "jekyll-seo-tag", "~> 2.0"
   spec.add_runtime_dependency "rake", ">= 12.3.1", "< 13.1.0"
diff --git a/package-lock.json b/package-lock.json
index ea7a3f8..cfde3b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "just-the-docs",
-  "version": "0.3.2",
+  "version": "0.3.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2309,9 +2309,9 @@
       "dev": true
     },
     "ini": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
-      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew==",
       "dev": true
     },
     "invert-kv": {