Adobe mbox is a "marketing box," a portion of your Web page that can be configured to show different content in different situations.
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
Website using the £ symbol on their website - meaning it may accept payment in this British currency.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
The Platform for Privacy Preferences Project (P3P) enables Websites to express their privacy practices in a standard format that can be retrieved automatically and interpreted easily by user agents. P3P user agents will allow users to be informed of site practices (in both machine- and human-readable formats) and to automate dec...
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.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".