Standards Ranked #25–#46 on the Web in Denmark in 2026

📈 Standards Ranked #26–#46 in Denmark

Web standards are a set of guidelines and specifications that define and describe various aspects of the World Wide Web.

Denmark is a Northern European country with a population of over 5.9 million people.

The following list shows the standards ranked from 26th to 46th out of 46 used on websites in Denmark.

Rank	Name	Market share
26	Text Cambridge, Massachusetts, United States The plain text document format.	0.4%
27	CGI Wilmington, Delaware, United States An interface specification that enables web servers to execute an external program to process HTTP requests.	0.4%
28	XML Cambridge, Massachusetts, United States A markup language and file format for storing, transmitting, and reconstructing arbitrary data.	0.4%
29	OpenID San Ramon, California, United States A decentralized authentication protocol based on OAuth 2.0 that enables applications to verify a user's identity through an external identity provider instead of managing credentials directly.	0.4%
30	Markdown Philadelphia, Pennsylvania, United States A markup language used to add formatting to plain text documents.	0.3%
31	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.	0.2%
32	Acceptable Ads Berlin, Germany 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.	0.2%
33	Humans.txt A text file that can be created by developers to list the people who have contributed to a website.	0.2%
34	WebAssembly A portable binary code format that can be run in modern web browsers with near-native performance.	0.2%
35	RDF Cambridge, Massachusetts, United States A W3C standard model to describe and exchange graph data on the web.	0.1%
36	Prerender The rel="prerender" attribute on HTML elements.	0.09%
37	JSON Web Token Fremont, California, United States An open standard (RFC 7519) that defines a compact and self-contained way for securely transmitting information between parties as a JSON object.	0.06%
38	OpenTelemetry San Francisco, California, United States A vendor- and tool-agnostic observability framework and toolkit for creating and managing telemetry data such as traces, metrics, and logs.	0.04%
39	Webmention Cambridge, Massachusetts, United States 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.	0.03%
40	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. FreeOpen source	0.03%
41	LLMs.txt A proposed standard that provides structured content and instructions to guide large language models in understanding and summarizing a website's content.	0.03%
42	XRDS An XML-based file format that provides a list of service endpoints (e.g., OpenID) available on a website.	0.02%
43	ESI Cambridge, Massachusetts, United States A simple markup language used to define web page components for dynamic assembly and delivery of web applications at the edge of the Internet.	0.01%
44	XMP San Jose, California, United States An ISO standard for creating, processing, and exchanging metadata for digital documents.	0.01%
45	ActivityPub A decentralized social networking protocol used by various fediverse services such as Mastodon, Pixelfed, and PeerTube.	0.009%
46	OpenPGP A non-proprietary protocol for encrypting email using public key cryptography.	0.005%

👉 See Also

🌎 Standards in other countries

Data is based on the analysis of 23,478 websites from Denmark.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.