title: Facebook is considering our website URL as Invalid
body: <p>When we are trying to add our website URLs
  <a href="https://taiwan.kisan.app" rel="nofollow noreferrer">https://taiwan.kisan.app</a> and <a href="https://taiwan.kisan.in" rel="nofollow noreferrer">https://taiwan.kisan.in</a>
  in the Facebook advertisement.</p>
  <p>We are getting the following error.</p>
  <blockquote>
  <p>Invalid link URL Provided: The link URL <a href="https://taiwan.kisan.app" rel="nofollow noreferrer">https://taiwan.kisan.app</a> used
  in the Ad is invalid. Please use a different URL and try again.
  (#2490193)</p>
  </blockquote>
  <p>We are not able to understand what is causing this error
  as our site has SSL and it can be browsed from the browser
  without error.</p>
  <p>The site is hosted on Apache, AWS EC2 instance and there is a load balancer before EC2.</p>
  <p>How can we fix this?</p>