Jekyll is used by github, each gitub project can roll its own jekyll blog, therefore its usage numbers are very high.<p><a href="https:&#x2F;&#x2F;help.github.com&#x2F;articles&#x2F;using-jekyll-with-pages&#x2F;" rel="nofollow">https:&#x2F;&#x2F;help.github.com&#x2F;articles&#x2F;using-jekyll-with-pages&#x2F;</a>