Links to blogs in sigs?

[Marley23]

I’ll ask about point 1 because that may simply be out of date. But this says you can’t link to your blog:

@C_K_Dexter_Haven

Can my signature have links to my blog or website in it?
Provisionally yes. Paid members may have one link in their signatures, which must fit on a single line.

You’re not a paid member.