scraper.rb

require 'capybara'
require 'capybara/poltergeist'
require 'awesome_print'

Capybara.app_host = 'http://alexb.ninja/blog'
Capybara.current_driver = :poltergeist
Capybara.run_server = false

module API
  class << self
    include Capybara::DSL

    def posts
      visit '/'
      posts = []

      all('.posts li').each_with_index do |post,i|
        posts[i] = {
          :title => post.find('p[itemprop]').text,
          :url => post.find('a')['href'],
          :time => post.find('time').text,
          :datetime => post.find('time')['datetime']
        }
      end

      posts.each do |post|
        visit post[:url][5..post[:url].length]
        post[:body] = find('div[itemprop=articleBody]').text
        post[:wordcount] = post[:body].split.size
        post[:readingtime] = (post[:wordcount] / 180).ceil
      end
    end
  end
end

ap API::posts, options = {:indent => 2}