Firstly, Paul B is spot on (as usual!). The poor quality of the site is completely at odds with the claims in the text. By the way, you have omitted a robots.txt too.
Secondly, you would be better off fixing the
153 HTML errors and the
many CSS errors before getting distracted by the dubious Sitescore test. Check out your meta tag results at
http://www.sitereportcard.com .