Audio tag is used to embed sound content in a webpage. It allows you to add audio files such as music, podcasts, or sound effects to your website. By using the audio tag, you can control the playback of the audio file, adjust the volume, and provide a user-friendly interface for your visitors to listen to the audio content. This tag supports various audio formats such as MP3, WAV, and OGG. Add the audio tag to your website to enhance the user experience and engage your audience with audio content.