Fresh content is landing page King, static content kills conversion.
You have have noticed something about the landing page. It is built in Word press which is a blogging system. We did this on purpose. Blogs by definition should be dynamic and have fresh content at least every other week. This draws search engine spiders and brings their robots back, again and again, to index the site and improve organic search results.
We could have used www.Blogger.com but there is greater organic search engine optimisation tools and and plug ins for Word Press.
Static content will kill the success of any organic optimisation efforts and greatly reduce the conversion of your landing page. Use a blog like this for your landing page(s).