Japanese SEO keyword suggestion tool.

seo_keywords.rb

require 'json'
require 'open-uri'

def complete(query)
  q = URI.escape(query)
  url = "http://suggestqueries.google.com/complete/search?q=#{q}&client=firefox&hl=ja"
  json = open(url).read
  JSON.parse(json).last
end

keywords = ARGV.join(' ')
abort("Usage: ruby #{$0} keyword ...") if keywords.empty?

chars = (?a..?z).to_a + (?ァ..?ヶ).to_a
puts chars.map { |char| complete("#{keywords} #{char}") }
          .flatten.uniq.sort