Keyword density on the root

[advis0r]

Hi everyone,hope someone can answer this.I use the tool : keyworddensity.com to check my %.If i use it with the URL of my HMTL pages, it's working (even the home page)but when I put the URL of the root, it doen't read anything, or so little few...how can it be ?try this one - - -gorank.com