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Rack::Cache is a component to enable HTTP caching for Rack-based applications such as Rails.

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

Phusion PassengerT - a.k.a. mod_rails or mod_rack - makes deployment of Ruby web applications, such as those built on the revolutionary Ruby on Rails web framework, a breeze.

This site is hosted on Amazon infrastructure.

DNS services provided by GoDaddy.

SendGrid's cloud-based email infrastructure provides businesses with email delivery management.

Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. Note that Ruby on Rails has two detection techniques and this is one of them.

Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity.

New Relic is a dashboard used to keep an eye on application health and availability while monitoring real user experience.

Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.

CrazyEgg provides visualization of visits to your website.

Less Neglect is web software that takes the job of supporting customers to the next level.

Amazon CloudFront is a web service for content delivery. It integrates with other Amazon Web Services to give developers and businesses an easy way to distribute content to end users with low latency, high data transfer speeds, and no commitments.

Atom Syndication Format is an XML language used for web feeds very similar to RSS.

The DOCTYPE is a required preamble for HTML5 websites.

The website uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.

JavaScript is a scripting language most often used for client-side web development. Its proper name is ECMAScript, though "JavaScript" is much more commonly used. The website uses JavaScript.

This page uses the viewport meta tag which means the content may be optimized for mobile content.

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

The Google Font API helps you add web fonts to any web page.

This page contains tags that are specific to an HTML 5 implementation.

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

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