title: How to hide a website from search engines
body: <p>I'm developing a website , and I want to host the development work for the client so he can approve , but I don't want the website to be found by search engines.</p>
  
  <p>How can I hide it ?</p>
  
  <p>I heard about adding robot.txt ?</p>
  
  <p>any advice ?</p>