Defines how a page looks based on the color scheme choosen by the user for their desktop.
Apps that link to your content can then use this metadata to deep-link into your app, take users to an app store to download the app, or take them directly to the web to view the content.
Windows 8 pinning functionality for websites.
Frames Google Chrome window into Internet Explorer for HTML 5 compatibility.
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
Page contains links to disable or enable DNS prefetching of links in the page.
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.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.
Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.
The DOCTYPE is a required preamble for HTML5 websites.
Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.
The @font-face rule allows for linking to fonts that are automatically activated when needed.
A way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.
This page contains tags that are specific to an HTML 5 implementation.
Adapting images for high-resolution and low-resolution displays.
The picture element provides images for different devices and is part of the HTML 5.1 specification.
This page contains HTML5 style media tags. HTML5 is the proposed next standard for HTML 4.01, XHTML 1.0 and DOM Level 2 HTML.
JavaScript is a scripting language most often used for client-side web development.
The description attribute provides a concise explanation of the page content.
Meta tag containing keywords related to the page.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML