Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
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.
Website using the € symbol on their website - meaning it may accept payment in Euros.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.