⚡ Standards in Uruguay

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

Uruguay is a South American country with a population of over 3.4 million people.

According to our statistics, standards are used on 91.5% of websites from Uruguay.

⭐ Most Popular in 2026

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

The most popular is CSS with an impressive share of 97.5%, followed by HTML with 95% and Open Graph with 57%.

CSS 97.5%
HTML 95%
Open Graph 57%
JSON 39.7%
DNS Prefetch 38%
RSD 34.9%
Preconnect 27.6%
XFN 22.2%
SearchAction 22.2%
Preload 19.2%
Speculation Rules 17.5%
Pingback 16.3%
OAuth 4.5%
XHTML 3.8%
OpenID 3.1%

🚀 Highlights

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

5. DNS Prefetch ^(-1)
7. Preconnect ^(-1)
8. XFN ^(-2)
13. OAuth ^(-3)
15. OpenID ^(-9)
16. Prefetch ^(-1)
17. OpenSearch ^(-2)
18. CGI ^(-5)
19. GraphQL ^(-1)
24. Less ^(-1)

✨ Top Web Standards

Below is a more detailed list of the top 25 of the 38 standards used on sites from Uruguay, 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.	97.5%
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.	95%
3	Open Graph Menlo Park, California, United States Enables any web page to become a rich object in a social graph.	57%
4	JSON A lightweight, language-independent data exchange format derived from JavaScript and used to structure and transmit data between systems.	39.7%
5	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements.	38%
6	RSD An XML format that helps client software find the services needed to read, edit, or "work with" weblogging software.	34.9%
7	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements.	27.6%
8	XFN An HTML microformat that provides a simple way to represent human relationships using links.	22.2%
9	SearchAction Cambridge, Massachusetts, United States A structured data type from Schema.org that describes a website's search capability.	22.2%
10	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements.	19.2%
11	Speculation Rules Mountain View, California, United States API is used to improve navigation performance by prefetching or even prerendering future navigations.	17.5%
12	Pingback A method for web authors to request notification when somebody links to one of their documents.	16.3%
13	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.	4.5%
14	XHTML Cambridge, Massachusetts, United States An XML-based markup language that extends HTML 4.	3.8%
15	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.	3.1%
16	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements.	1.7%
17	OpenSearch Seattle, Washington, United States A specification that describes a website's search engine, enabling browsers, apps, and services to discover and integrate it.	1.6%
18	CGI Wilmington, Delaware, United States An interface specification that enables web servers to execute an external program to process HTTP requests.	1.4%
19	GraphQL Menlo Park, California, United States A data query and manipulation language for APIs typically used for remote client-server communications.	1.4%
20	YAML A data serialization language designed to be human friendly and work well with modern programming languages for common everyday tasks.	1.3%
21	Trace Context Cambridge, Massachusetts, United States Defines standard HTTP headers and a value format for propagating context information that enables distributed tracing.	1.3%
22	Sass A stylesheet language that compiles to CSS and allows developers to use variables, nested rules, mixins, and functions.	0.6%
23	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.	0.4%
24	Less A backward-compatible CSS language extension inspired by Sass that supports variables, mixins, operations, and functions.	0.4%
25	OpenAPI San Francisco, California, United States A specification language for defining HTTP APIs, typically written in YAML or JSON.	0.4%

👉 See Also

🌎 Standards in other countries

Data is based on the analysis of 1,818 websites from Uruguay.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.