Contains language specific links.
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.
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.
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.
A mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
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.
JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.
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