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.

GraphQL

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

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.

Sitemap

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

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.

Text

The plain text document format.

IDN

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

XMP

An ISO standard for creating, processing, and exchanging metadata for digital documents.

LLMs.txt

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

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.

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.

Onion

Sites are websites that use the .onion top-level domain and are only accessible through Tor, a decentralized anonymity network that relays traffic to hide the IP addresses of both visitors and hosts.

ESI

A simple markup language used to define web page components for dynamic assembly and delivery of web applications at the edge of the internet.

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.