what exactly is the difference between a contextual and a non-contextual link ?
1. does it only mean that a link is surrounded by relevant article/text ? in that case a profile link with an article in the description will be considered contextual ?
2. does a link have to be on a page that is internally linked ? will it then be called contextual ?
3. or does the link have to be on a page that has a keyword rich title tag, to be considered contextual ?
is a blog comment contextual ?
is a link from a page that has no internal incoming links, considered contextual ?
what are the essential parameters to count a link as contextual ?