BuddyPress.org

Hi !

I’m looking from a week for change login et connection link in the admin bar for only frontend pages.
And I see when user is conected they have link to backend in the wpadminbar and link to seo by yoast for exemple and I want to disable thats for only user.
Also when it’s visitor whith smartphone or tablet they dont have the login and create account link show in the wpadminbar.

My website is voyagepratique . fr

I use the last version of WP and Buddypress.

If someone can help me with easy thing to do or explications with details.

WP 4.7.2–fr_FR
BuddyPress 2.7.4

Thanks for your help and read me !