Audio & Video

Commonly supported formats on the Web

MP3

In HTML: type="Audio/MP3"
Pros: Reduced file size, supports bit rates ranging from 32 to 320 kbps
Cons: Low audio quality

OGG

In HTML: type="Audio/OGG"
Pros: Superior audio quality with small file size
Cons: some audio players do not play OGG, Windows 10 cannot play .ogg audio

WAV

In HTML: type="Audio/Wav"
Pros: Supported on both Mac and Windows
Cons: Large size file

MP4

In HTML: type="Video/MP4"
Pros: Used on many platforms, allows to attach metadata to your files
Cons: Use lots of computing power

WebM

In HTML: type="Video/WebM"
Pros: High-Quality and available on many sites such as Youtube, Vimeo
Cons: Can't play on most mobile devices

OGG

In HTML: type="Video/OGG"
Pros: Supported by majority of websites
Cons: Safari and Internet explore partially supports it

Media sources: