A set of criteria defined by the independent Acceptable Ads Committee that allows publishers to reach ad-blocking users with respectful, non-intrusive and relevant ads.

A backward-compatible CSS language extension inspired by Sass that supports variables, mixins, operations, and functions.

Markdown

A lightweight markup language used to add formatting to plain text documents using simple, human-readable syntax.

ActivityPub

A decentralized social networking protocol used by various Fediverse services such as Mastodon, Pixelfed, and PeerTube.

Text

The plain text document format.

RelMeAuth

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 structured data in a platform-independent way.

Humans.txt

A plain text file that allows website creators to identify and credit the people involved in developing a website.

OpenAPI

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

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.

WebAssembly

A portable binary instruction format that runs in modern web browsers with near-native performance, enabling frontend coding in languages that were not traditionally used for web interfaces, such as C/C++, C#, and Rust.

IDN

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

XSLT

A language designed for transforming XML documents into other documents.