Websites using some form of Captcha technology on them.
A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.
CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.
Constant Contact's Small Business Marketing suite of tools help you reach, engage, and acquire new customers through email, events, and social media
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.
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.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".