This website contains tracking information that allows admins to see Facebook Insights out of Facebook to this domain.
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
Websites using some form of Captcha technology on them.
Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Sleek, intuitive, and powerful mobile first front-end framework for faster and easier web development.
Previously Google Apps for Business. G Suite is a cloud-based productivity suite that helps you and your team connect and get work done from anywhere on any device. It's simple to setup, use and manage, allowing you to work smarter and focus on what really matters.
Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Sites who has this tag are verfied by google to use WebMaster tools
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.