Websites using some form of Captcha technology on them.
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
Websites hosted on Amazon AWS US east 1 region
Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service.
A rich hosted Exchange environment for every user without having to manage a server.
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.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.