CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. It lets you write beautiful code by favoring convention over configuration.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.