WebP is a modern image format that provides superior lossless and lossy compression for images on the web.
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
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
[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.
The DOCTYPE is a required preamble for HTML5 websites.
The @font-face rule allows for linking to fonts that are automatically activated when needed.
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.
The picture element provides images for different devices and is part of the HTML 5.1 specification.
The page shows content with an iframe; an embedded frame that loads another webpage.
A mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
The description attribute provides a concise explanation of the page content.
JavaScript is a scripting language most often used for client-side web development.
JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.