http://username.github.io/pages.html http://username.github.io/archive.html http://username.github.io/index.html http://username.github.io/sitemap.txt http://username.github.io/rss.xml http://username.github.io/tags.html http://username.github.io/atom.xml http://username.github.io/categories.html http://username.github.io/lessons/2011/12/29/jekyll-introduction