Take Chinese language for example, it's not practical to use a Web Font in a web application, because the Chinese fonts are huge. Better to use the common fonts available in the user's system.

Found two articles that may help you out:

http://webdesign.tutsplus.com/articles/the-complete-beginners-guide-to-chinese-fonts--cms-23444

http://daoinsights.com/chinese-web-fonts-part-1/

The website looks good. But I think it is not as simple as Jekyll.