Windows 8 pinning functionality for websites.
Bootstrap is a toolkit from Twitter designed to kickstart development of webapps and sites.
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
oEmbed is a format for allowing an embedded representation of a URL on third party sites.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
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.
SRI is a W3C specification that allows web developers to ensure that resources hosted on third-party servers have not been tampered with.
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.
This page contains tags that are specific to an HTML 5 implementation.
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.
Adapting images for high-resolution and low-resolution displays.
The page shows content with an iframe; an embedded frame that loads another webpage.
JavaScript is a scripting language most often used for client-side web development.
The description attribute provides a concise explanation of the page content.
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
This page contains a meta robots tag which tells search engines and robots to index or not index the page.