LinkedIn Plugins are a way to drop LinkedIn functionality into websites.
Google+ platform websites integration using the Google+ platform tag.
Let visitors recommend your content on Google Search and share it on Google+.
Dynamic tag management gives marketers intuitive tools to quickly and easily manage an unlimited number of Adobe and third-party tags. You'll have more control and flexibility to optimize virtually anything online, all while reducing the dependence on IT resources.
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.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
Open graph description entity tag
Sites who has this tag are verfied by google to use WebMaster tools
A scheme.org entity that represents entities that have a somewhat fixed, physical extension.
A scheme.org entity that represents a blog post.