How can I add audio and video in my code??

Answer 1

For audio:
<audio controls>
<source src="link.mp3" type="audio/mpeg">
<source src="link.ogg" type="audio/ogg">
</audio>

And for video:
<video controls>
<source src=".mp4" type="video/mp4">
<source src="link.ogg" type="video/ogg">
</video>

Answer 2

From YouTube you can easily copy the video link. To copy click share-> and copy->

Answer 3

I know this.
But how can I get the correct URL from Google