0
votes
2answers
62 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 ...
10
votes
2answers
463 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.
6
votes
5answers
7k 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 ...