How to unblock website on facebook

Hello Sir,
Sir aap mujhe pls ye bta skte h kya ki apni website ko facebook se unblock kaise kre ya kaise facebook pr meta tag ka use kiya jata hai, sir aap isme pls meri help kre.
My website URL - www.samryadiary.in

facebook se website unlock , facebook pr meta tag ka use
krna kiya chahte ho aap