Reading Web Docs

https://developer.mozilla.org/ja/docs/Web/HTTP/Caching

https://developer.mozilla.org/ja/docs/Web/HTTP/Overview

https://developer.mozilla.org/ja/docs/Web/HTTP

http://ja.phptherightway.com/#documenting

http://ja.phptherightway.com/#security

http://ja.phptherightway.com/#caching

http://ja.phptherightway.com/#virtualization

http://ja.phptherightway.com/#servers_and_deployment

http://ja.phptherightway.com/#testing

http://ja.phptherightway.com/#errors_and_exceptions