XHTML Friends Network is a simple way to represent human relationships using hyperlinks.
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).
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
Openid single digital identity via the use of OpenID.
The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.
Tags that webmasters can use to markup their pages in ways recognized by major search providers.
The DOCTYPE is a required preamble for HTML5 websites.
Adapting images for high-resolution and low-resolution displays.
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.
The page shows content with an iframe; an embedded frame that loads another webpage.
The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script. This can improve performance by delaying execution of scripts until after the body content is parsed and rendered.
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.
JavaScript is a scripting language most often used for client-side web development.
The description attribute provides a concise explanation of the page content.