What is importance of DA & PA of a site ?

[Linksdepth]

What is importance of DA (domain auth.. & PA (page auth.._ of a site.. guys can you all please tell me what is the is the importance of DA and PA of a site...waiting for your positive and suitable reply soon..

Thanks

Aadi..

 

[steveschmidt85]

DA and PA are the measurement of site and individual pages of site. It's tell the quality of the page and domain. It depends on various things like age of domain, backlinks and many other.