diff --git a/app/controllers/admin/dashboards_controller.rb b/app/controllers/admin/dashboards_controller.rb
index 321a637..fec9da1 100644
--- a/app/controllers/admin/dashboards_controller.rb
+++ b/app/controllers/admin/dashboards_controller.rb
@@ -4,33 +4,12 @@ class Admin::DashboardsController < ApplicationController
   layout "basic_back_end"
 
   def index
-    apps = ['bulletin', 'page', 'web_link']
+    apps = ['bulletin', 'page_context', 'web_link']
     @module_app_contents, @module_app_contents_total = get_module_app_count(apps)
     @recent_updated = get_recently_updated(apps)
     @most_visited = get_most_visited(apps)
   end
 
-  def reload_all_content
-    @module_app_contents, @module_app_contents_total = get_module_app_count('bulletin', 'page_context', 'web_link')
-    respond_to do |format|
-      format.js { render 'reload', locals: {div_id: 'all_content'} }
-    end
-  end
-
-  def reload_most_visited
-    @most_visited = get_most_visited('bulletin', 'page_context','page')
-    respond_to do |format|
-      format.js { render 'reload', locals: {div_id: 'most_visited'} }
-    end
-  end
-
-  def reload_recent_update
-    @recent_updated = get_recently_updated('bulletin', 'page_context', 'web_link')
-    respond_to do |format|
-      format.js { render 'reload', locals: {div_id: 'recent_update'} }
-    end
-  end
-
   def get_cpu_usage
     @usw = Usagewatch
     render :js => @usw.uw_cpuused.to_s
diff --git a/app/helpers/orbit_backend_helper.rb b/app/helpers/orbit_backend_helper.rb
index 1a30483..e2cb266 100644
--- a/app/helpers/orbit_backend_helper.rb
+++ b/app/helpers/orbit_backend_helper.rb
@@ -117,16 +117,24 @@ module OrbitBackendHelper
   end
 
   def get_month_traffic
-    result = []
-    (0..30).each do |i|
-      visits = Impression.where( created_at: {
-        '$gte' => Time.now.beginning_of_day-i.days, 
-        '$lte' => Time.now.end_of_day-i.days}
-        ).distinct(:request_hash).count
-      result.push([ Time.now.beginning_of_day-i.days, visits])
-    end
+    site = Site.first
+    if site.month_traffic_cache.blank? or (site.month_traffic_cache['updated_at'] < (Time.now-1.day) rescue true)
+      site.month_traffic_cache = {}
 
-    [:name=> t(:visitors_count),:data=>result]
+      site.month_traffic_cache['result'] = []
+      (1..30).each do |i|
+        visits = Impression.where( created_at: {
+          '$gte' => Time.now.beginning_of_day-i.days, 
+          '$lte' => Time.now.end_of_day-i.days}
+          ).distinct(:request_hash).count
+        site.month_traffic_cache['result'].push([ Time.now.beginning_of_day-i.days, visits])
+      end
+
+      site.month_traffic_cache['updated_at'] = Time.now
+      site.save
+    end
+    
+    [:name=> t(:visitors_count),:data=>site.month_traffic_cache['result']]
   end
 
   def can_edit_or_delete?(obj)
diff --git a/app/models/site.rb b/app/models/site.rb
index 6c56469..a35518d 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -33,6 +33,8 @@ class Site
   field :template, type: String
   field :site_token
   field :store_confirmation, type: Boolean, default: false
+  
+  field :month_traffic_cache
 
   mount_uploader :default_image, ImageUploader
   mount_uploader :site_logo, ImageUploader
diff --git a/app/views/admin/dashboards/_server_loading.erb b/app/views/admin/dashboards/_server_loading.erb
index 2f39542..723b43e 100644
--- a/app/views/admin/dashboards/_server_loading.erb
+++ b/app/views/admin/dashboards/_server_loading.erb
@@ -18,7 +18,7 @@ var Gages = { 'CPU':{
               'container': 'cpu_usage',
               'title': 'CPU Usage',
               'fn': 'get_cpu_usage',
-              'update_interval': 2000,
+              'update_interval': 3000,
               'initialized': false
             },
             'Mem':{
diff --git a/app/views/admin/dashboards/_traffic_loading.erb b/app/views/admin/dashboards/_traffic_loading.erb
index e7f8a99..8040cfc 100644
--- a/app/views/admin/dashboards/_traffic_loading.erb
+++ b/app/views/admin/dashboards/_traffic_loading.erb
@@ -12,7 +12,7 @@
                         legend: 'none',
                         chartArea:{ width: '95%', left: 50, right: 0},
                         hAxis:{format:'MMM-d',gridlines:{color: '#CCC', count: 31}},
-                        vAxis:{minValue:-100,viewWindowMode: 'maximized'}
+                        vAxis:{minValue:-20,viewWindowMode: 'maximized'}
                      } %>
     </div>
 </div>
\ No newline at end of file