Windows 8 pinning functionality for websites.
The description attribute provides a concise explanation of the page content.
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.
JavaScript is a scripting language most often used for client-side web development.
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
The Speculation Rules API enhances performance for future navigations by targeting document URLs, making it ideal for multi-page applications (MPAs) rather than single-page applications (SPAs).
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
[url] uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.
Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.
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.
This page contains tags that are specific to an HTML 5 implementation.
A mechanism for developers to signal a relative priority for browsers to consider when fetching resources.