The page cache feature is provided to ensure your Site Navigation changes are updated in the cache.
From the Left Navigation Bar, you need to select the page you want to add to the Navigation. Once you have clicked it, you need to select the Site Navigation tab.
After selecting the Site Navigation, the Navigation Manager page will appear.
Whether you have Added Navigation Item or Removed Navigation Item , you are now ready to click on the Resert Cache button. Please click the button, and the Navigation will be updated.