ADS301mXuất hiện trong 1 đề thi
What is the primary difference between a "followed" link and a "nofollow" link?
Các lựa chọn
AFollowed links are paid; nofollow links are organic.
BFollowed links pass authority; nofollow links do not.
CFollowed links are internal; nofollow links are external.
DFollowed links use text; nofollow links use images.