link from thread or signature ?

[bryandinh]

I build up my back link but Im considering should I build up my backlink from thread or signature is better ?

 

[davidweb09]

I think backlinks from signature is best for good SEO ranking.

 

[bryandinh]

thank you so much.

 

[lehongan]

signature is better, and dofollow is better than nofollow.

 

[vikasprinc]

how to add singature in my profile