Sitemap

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

OpenSearch

A specification that describes a website's search engine, enabling browsers, apps, and services to discover and integrate it.

IAB TCF

An open-source industry standard developed by IAB Europe that helps companies comply with GDPR and ePrivacy requirements when processing personal data in digital advertising ecosystems.

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.

Text

The plain text document format.

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.

Humans.txt

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

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.

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.

Prerender

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

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.

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.

XML

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

OpenTelemetry

An open-source, vendor-neutral observability framework and toolkit for collecting, processing, and exporting telemetry data such as traces, metrics, and logs.

IDN

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

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.