Websites using some form of Captcha technology on them.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
Proofpoint provides companies protection and visibility for their employees.
Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
A rich hosted Exchange environment for every user without having to manage a server.
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.
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.
Open graph description entity tag
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook