UOL Blogs (also "UOL Blogosfera") is UOL's blog platform.
A notice was placed on the website end of April:
A CRIAÇÃO DE NOVOS BLOGS ESTÁ DESATIVADA.
O UOL BLOG SERÁ DESLIGADO
NO DIA 01/07/2018.
[Rough translation: The creation of new blogs is disabled. UOL Blogs will be shut down on 1 July 2018.]