title: zencart getting async=true in html product page url, how to remove async=true
body: <p>I am getting async=true in product page url of an zencart website.</p>
  
  <p>Like this  dangling-c-1427_1431/np3d02-p-27633.html?async=true </p>
  
  <p>Please tell me how to remove this from url.</p>
  
  <p>Thanks</p>