title: Youtube video title and duration without api key
body: <p>How can get the youtube video title and duration without using api key ?</p>
  
  <p>I have checked <a href="https://stackoverflow.com/questions/30084140/youtube-video-title-with-api-v3-without-api-key">Youtube Video title with API v3 without API key?</a> link but this only give the title and not the duration.</p>
  
  <p>So how can I get duration also without api key ?</p>