Google+ platform websites integration using the Google+ platform tag.
A pingback is one of four types of linkback methods for Web authors to request notification when somebody links to one of their documents. This enables authors to keep track of who is linking to, or referring to their articles.
Citrix NetScaler is an all-in-one web application delivery controller that makes applications run five times better, reduces web application ownership costs, and makes sure that applications are always available. It is deployed in thousands of networks around the globe to optimize, secure and control the delivery of all enterpr...
Open graph description entity tag
Sites who has this tag are verfied by google to use WebMaster tools