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 website claims XHTML Transitional status. XHTML 1.0 Transitional is the same as HTML 4.01 Transitional, but follows XML syntax rules. It supports everything found in XHTML 1.0 Strict, but also permits the use of a number of elements and attributes that are judged presentational, in order to ease the transition from HTML 3.2 and earlier. These include center, u, strike, and applet.
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.
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.
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.
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