http://tt5.org/google-fonts-%E6%8F%90%E4%BE%9B%E4%BA%94%E7%A8%AE%E4%B8%AD%E6%96%87-wenfont%EF%BC%8C%E6%97%A9%E8%B5%B7%E7%9A%84%E9%B3%A5%E5%85%92%E6%9C%89%E7%9A%84%E7%8E%A9/

https://www.google.com/fonts/earlyaccess

Google 黑體字測試
http://tt5.org/test/google-webfonts-hei.htm