⚡ Standards in Slovenia

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

Slovenia is a Southern European country with a population of around 2.1 million people.

According to our statistics, standards are used on 92.4% of websites from Slovenia.

Statistics based on 8K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is CSS with an impressive share of 97.7%, followed by HTML with 93.6% and Open Graph with 58.8%.

CSS 97.7%
HTML 93.6%
Open Graph 58.8%
RSD 40.7%
JSON 39%
DNS Prefetch 36.3%
SearchAction 32.5%
XFN 27%
Preconnect 21.9%
Pingback 20.8%
Preload 18.5%
Speculation Rules 16.2%
XHTML 5.4%
Sitemap 1.8%
Prefetch 1.8%

🚀 Highlights

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

4. RSD ^(-1)
8. XFN ^(-2)
10. Pingback ^(-2)
14. Sitemap ^(-13)
15. Prefetch ^(-2)
17. RDF ^(-5)
20. CGI ^(-4)
21. OpenID ^(-4)
25. Less ^(-1)

✨ Top Web Standards

Below is a more detailed list of the top 25 of the 43 standards used on sites from Slovenia, ranked by their market share.

Rank	Name	Market share
1	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.	97.7%
2	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.	93.6%
3	Open Graph Menlo Park, California, United States A web metadata standard that defines how webpages are described as structured objects for use in social graphs and enables their consistent representation.	58.8%
4	RSD Wesley Hills, New York, United States An XML format that helps client software find the services needed to read, edit, or "work with" weblogging software.	40.7%
5	JSON A lightweight, language-independent data exchange format derived from JavaScript and used to structure and transmit data between systems.	39%
6	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements instructs web browsers to resolve domain names for external resources before those resources are requested.	36.3%
7	SearchAction Cambridge, Massachusetts, United States A structured data type from Schema.org that describes a website's search capability.	32.5%
8	XFN United States An HTML microformat that represents human relationships by adding metadata to hyperlinks between websites and profiles.	27%
9	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements instructs browsers to establish early connections to external origins before resources are requested.	21.9%
10	Pingback A method for web authors to request notification when somebody links to one of their documents.	20.8%
11	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements instructs web browsers to fetch important resources early before they are requested during page rendering.	18.5%
12	Speculation Rules Mountain View, California, United States A browser API that improves navigation performance by prefetching or prerendering pages that users are likely to visit next.	16.2%
13	XHTML Cambridge, Massachusetts, United States An XML-based markup language that extends HTML 4.	5.4%
14	Sitemap A specialized XML file that lists a website's URLs and helps search engines discover pages available for crawling and indexing.	1.8%
15	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements tells the browser to download resources that are likely to be needed for future navigation when the current page is idle.	1.8%
16	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.	1.3%
17	RDF Cambridge, Massachusetts, United States A W3C standard model for describing and exchanging graph-based data on the web.	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%
19	OpenSearch Seattle, Washington, United States A specification that describes a website's search engine, enabling browsers, apps, and services to discover and integrate it.	1%
20	CGI Wilmington, Delaware, United States An interface specification that enables web servers to execute an external program to process HTTP requests.	0.9%
21	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.	0.9%
22	YAML Seattle, Washington, United States A human-readable data serialization language designed for representing structured data and exchanging it between systems and programming languages.	0.8%
23	GraphQL Menlo Park, California, United States A data query and manipulation language for APIs typically used for remote client-server communications.	0.7%
24	Trace Context Cambridge, Massachusetts, United States Defines standard HTTP headers and a value format for propagating context information that enables distributed tracing.	0.6%
25	Less A backward-compatible CSS language extension inspired by Sass that supports variables, mixins, operations, and functions.	0.5%

👉 See Also

🌎 Standards in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 8,442 websites from Slovenia.
We currently track the presence of 54 standards across the web.
Of these, 43 were detected on websites from Slovenia.
Statistics were last calculated on June 19, 2026.
For more details, see our methodology and disclaimer.