The DEMO version only includes 4 pages:
http://academicsequitur.com
http://academicsequitur.com/2020/07/02/who-is-publishing-in-aer-insights-an-update.html
http://academicsequitur.com/author/tatyana.html
http://academicsequitur.com/2019/04/18/how-good-will-aer-insights-be.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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