I want include one e-mail link on my website.
And i want ask if i use a href mailto i need use address tag? And i yet want include twitter and facebbok profile link there. I need address tag to be valid?
You do not need to have
<address> to make a valid document, and if you have other links in there besides email, it is not invalid or even necessarily wrong. It's only really "wrong" if you're using
<address> to markup any old address information, regardless of context.
<address> tag is used to indicate contact information for the owner or maintainer of the document/site. For example, if you are using it to indicate the owner of the document/site you might use:
This site is maintained by: <address> <a href="mailto:firstname.lastname@example.org">Miki</a> </address>
If you want to add other information related to contacting the person in the
<address> area, you can:
This site is maintained by: <address> Miki (<a href="mailto:email@example.com">email</a>, <a href="http://twitter.com/someone">twitter</a>, etc) </address>
Here's some straightforward info about the