0
votes
2answers
58 views

Should or can I set the rel=“publisher” link on all my webpages?

One can establish a link from a website to a Google+ page by adding a rel="publisher" link in the head of the index.html document (for example). But, should or can this link be set on all pages of ...
9
votes
2answers
460 views

meaning of HTML “<a rel=douche” rel Attribute?

I have met the following HTML code: <a rel="douche" href="...">blah</a> And I am wondering what is the effect of the "douche" attribute.
5
votes
5answers
6k views

rel=“nofollow” in img tags?

Does it make sense to have a rel="nofollow" attribute in img tag? Do search engines' crawlers use this attribute in some way for calculating PageRank score? What is the practical sense for using it ...