OpenAPI

A specification language for defining HTTP APIs, typically written in YAML or JSON.

Humans.txt

A text file that can be created by developers to list the people who have contributed to a website.

Sass

A stylesheet language that compiles to CSS and allows developers to use variables, nested rules, mixins, and functions.

RDF

A W3C standard model to describe and exchange graph data on the web.

Sitemap

A file in XML format that allows webmasters to inform search engines about URLs on a website that are available for web crawling.

A proposed open standard for using rel-me links to profiles on OAuth supporting services to authenticate via either those profiles or your own site.

XML

A markup language and file format for storing, transmitting, and reconstructing arbitrary data.

IDN

Internationalized Domain Names allow people around the world to use domain names in local languages, such as Arabic, Chinese, or Cyrillic.

JSON Web Token

An open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object.

Markdown

A markup language used to add formatting to plain text documents.

Prerender

The rel="prerender" attribute on HTML elements.

Rack

A minimal, modular interface and invocation convention that operates between Ruby web servers and web applications to standardize how HTTP requests and responses are exchanged.

LLMs.txt

A proposed standard that provides structured content and instructions to guide large language models in understanding and summarizing a website's content.

Webmention

A simple protocol to notify any URL when a website links to it, and for web pages to request notifications when somebody links to them.

OpenTelemetry

A vendor- and tool-agnostic observability framework and toolkit for creating and managing telemetry data such as traces, metrics, and logs.

WCAG

The Web Content Accessibility Guidelines are a set of recommendations for making web content more accessible, developed by W3C.

WebAssembly

A portable binary code format that can be run in modern web browsers with near-native performance.

AdChoices

A self-regulatory standard for online interest-based advertising that gives consumers enhanced control over the collection and use of their data to deliver relevant ads.

A peer-to-peer protocol for storing and accessing files and websites in a decentralized file system.