<https://waytomarketing.com/threads/google-xac-nhan-da-update-thuat-toan-goc-cho-viec-xep-hang-tim-kiem.10781/>
<http://schema.org/datePublished>
"2018-03-14"^^<http://schema.org/Date>
<https://waytomarketing.com/threads/google-xac-nhan-da-update-thuat-toan-goc-cho-viec-xep-hang-tim-kiem.10781/>