The DEMO version only includes 4 pages:
http://sgline.org
http://sgline.org/embed/dd14630d-1c21-48e8-b881-8ac3e0d2064e_ext_iframe.html
http://sgline.org/cat/47.html
http://sgline.org/cat/4.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://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
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