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.
Page contains links to disable or enable DNS prefetching of links in the page.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
The DOCTYPE is a required preamble for HTML5 websites.
Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.
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.
Adapting images for high-resolution and low-resolution displays.
The page shows content with an iframe; an embedded frame that loads another webpage.
JavaScript is a scripting language most often used for client-side web development.
The description attribute provides a concise explanation of the page content.
Meta tag containing keywords related to the page.
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.
JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.