Which means that nofollow links aren’t purported to pass PageRank, hence, they ought to not effects online search engine rankings.Khi chu?n b? Web optimization cho t? khóa m?i ho?c trang World wide web m?i, vi?c s? d?ng d?ch v? Entity Social ?óng vai trò quan tr?ng trong vi?c xây d?ng n?n t?ng v?ng ch?c cho trang World wide web và ??a nó l�