Markdown

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

Trace Context

Defines standard HTTP headers and a value format for propagating context information that enables distributed tracing.

OpenAPI

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

Humans.txt

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

A non-proprietary protocol for encrypting email using public key cryptography.

Prerender

A deprecated browser hint that instructed web browsers to preload and render a web page in the background before navigation occurred.

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.

XML

A markup language and file format for storing, transmitting, and reconstructing structured data in a platform-independent way.

Sitemap

A specialized XML file that lists a website's URLs and helps search engines discover pages available for crawling and indexing.

GraphQL

A data query and manipulation language for APIs typically used for remote client-server communications.

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.