⚡ Standards in Luxembourg

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

Luxembourg is a Western European country with a population of over 660 thousand people.

According to our statistics, standards are used on 87.2% of websites from Luxembourg.

⭐ Most Popular in 2026

The following chart shows the top standards on websites in Luxembourg in 2026, based on market share.

The most popular is HTML with an impressive share of 94.2%, followed by CSS with 94.2% and Open Graph with 51.1%.

HTML 94.2%
CSS 94.2%
Open Graph 51.1%
JSON 36.6%
RSD 32.6%
DNS Prefetch 30.1%
SearchAction 23.7%
Preconnect 19.9%
Preload 19.4%
XFN 18.8%
Speculation Rules 14.8%
Pingback 14.2%
XHTML 4.5%
GraphQL 1.7%
OAuth 1.5%

🚀 Highlights

Here is a list of the top standards that are more popular in Luxembourg than worldwide.
Differences between global and country rankings are shown in parentheses.

1. HTML ^(-1)
14. GraphQL ^(-6)
15. OAuth ^(-1)
16. Prefetch ^(-1)
19. Less ^(-6)
22. Text ^(-5)
23. OpenID ^(-1)
24. Sitemap ^(-2)
25. RelMeAuth ^(-4)

✨ Top Web Standards

Below is a more detailed list of the top 25 of the 39 standards used on sites from Luxembourg, ranked by their market share.

Rank	Name	Market share
1	HTML Cambridge, Massachusetts, United States A markup language used to create web pages and is the de facto standard for documents displayed in web browsers.	94.2%
2	CSS Cambridge, Massachusetts, United States A stylesheet language used to control the presentation of HTML and XML documents, defining layout, colors, typography, and responsive behavior across different devices.	94.2%
3	Open Graph Menlo Park, California, United States Enables any web page to become a rich object in a social graph.	51.1%
4	JSON A lightweight, language-independent data exchange format derived from JavaScript and used to structure and transmit data between systems.	36.6%
5	RSD An XML format that helps client software find the services needed to read, edit, or "work with" weblogging software.	32.6%
6	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements.	30.1%
7	SearchAction Cambridge, Massachusetts, United States A structured data type from Schema.org that describes a website's search capability.	23.7%
8	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements.	19.9%
9	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements.	19.4%
10	XFN An HTML microformat that provides a simple way to represent human relationships using links.	18.8%
11	Speculation Rules Mountain View, California, United States API is used to improve navigation performance by prefetching or even prerendering future navigations.	14.8%
12	Pingback A method for web authors to request notification when somebody links to one of their documents.	14.2%
13	XHTML Cambridge, Massachusetts, United States An XML-based markup language that extends HTML 4.	4.5%
14	GraphQL Menlo Park, California, United States A data query and manipulation language for APIs typically used for remote client-server communications.	1.7%
15	OAuth Fremont, California, United States An open standard authorization protocol that allows applications to obtain limited access to user accounts without sharing passwords across web, mobile, and desktop environments.	1.5%
16	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements.	1.3%
17	YAML A data serialization language designed to be human friendly and work well with modern programming languages for common everyday tasks.	1.1%
18	IAB TCF Brussels, Belgium 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.	1.1%
19	Less A backward-compatible CSS language extension inspired by Sass that supports variables, mixins, operations, and functions.	1%
20	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.	0.8%
21	OpenSearch Seattle, Washington, United States A specification that describes a website's search engine, enabling browsers, apps, and services to discover and integrate it.	0.8%
22	Text Cambridge, Massachusetts, United States The plain text document format.	0.6%
23	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.	0.6%
24	Sitemap A file in XML format that allows webmasters to inform search engines about URLs on a website that are available for web crawling.	0.6%
25	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.	0.6%

👉 See Also

🌎 Standards in other countries

Data is based on the analysis of 2,705 websites from Luxembourg.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.