In April of 2018, Chrome’s autoplay policies have been changed, that’s why the YouTube videos on DownloadVideoMp3.com are not playing automatically with Google Chrome Browser. But you obviously can enable this feature again by changing Chrome policy settings for both Desktop & Mobile.
Enable Audio & Video Autoplay in Google Chrome
Step-1:
First, type or copy and paste the following address in your chrome address bar and go to that address.
Step-2:
Select “No user gesture is required”.
Step-3:
Click “RELAUNCH NOW” Button to restart your Browser in the bottom right corner.
Your’re done. Now enjoy the Audio and Video autoplay feature with your Google Chrome Browser again.