The DEMO version only includes 10 pages:
http://odoo.com
http://odoo.com/about-us.html
http://odoo.com/our-services.html
http://odoo.com/blog/2.html
http://odoo.com/blog/3.html
http://odoo.com/contactus.html
http://odoo.com/web/login.html
http://odoo.com/website/social/facebook.html
http://odoo.com/website/social/linkedin.html
http://odoo.com/website/social/instagram.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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