keyword density for SEO- how what and why

Keyword density for SEO: really?

Yes, you are right, it is keyword density we are discussing here. This is in the face of perennial discussions around “SEO is dead”, “Keywords are dead” and “Links are dead”. But we are in 2015, not 1995 – do we need to worry about keywords now? Google released a hummingbird update a couple of[…]