Websites using some form of Captcha technology on them.
FancyBox is a tool for displaying images, html content and multi-media in a Mac-style "lightbox" that floats overtop of web page.
Let visitors recommend your content on Google Search and share it on Google+.
Google+ platform websites integration using the Google+ platform tag.
jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you're building highly interactive web applications or you just need to add a date picker to a form control.
Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.
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.
Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook