In one stroke refers to a page that is linked to other topic right side. In the simplest case, this is an uncommented list of links. The main difference between ordinary lists of links is that it is a thematic list is focused on a very small part of the topic itself.
The term hub stands for distribution; the site directs users to relevant pages. Probably the biggest hub is DMOZ.
When used in online marketing, the term stroke, but is generally meant a side which is to a particular search term relatively well placed and linked to corresponding pages of this term.
Hubs are particularly interesting in the keyword, which includes the hit situation much by-catch in the form of Non-relevant pages. This is often the case in technical terms, since there are relatively few pages to it. Generalization can be said that the less relevant pages, it can be a term and the greater the catch is the important hubs.
Here their work is not restricted to technical terms, it is also reflected in everyday terms, if, for example relatively appear many pages from blogs, forums, price comparison sites, etc. in the results that a Hub is successful, if it is on the really find pages points.
Since each side at least in theory, a stroke can be, we will take a look in the course where the use is reasonable and how to construct a stroke can be.
Pages which are in turn linked by many hubs were marked as authority.
german original version : Hub