The DEMO version only includes 10 pages:
http://nutrisystem.com
http://nutrisystem.com/login.html
http://nutrisystem.com/register.html
http://nutrisystem.com/account/profile.html
http://nutrisystem.com/referral/share.html
http://nutrisystem.com/account/manage-next-order.html
http://nutrisystem.com/account/orders.html
http://nutrisystem.com/cart.html
http://nutrisystem.com/about/contact.html
http://nutrisystem.com/diet-plans/men.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www6.waybackmachinedownloader.com/website-downloader-online/scrape-all-files/ to buy a fully functioning site.
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