⚡ Standards in Hong Kong

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

Hong Kong is an East Asian special administrative region of China with a population of around 7.5 million people.

According to our statistics, standards are used on 94.2% of websites from Hong Kong.

Statistics based on 16K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is CSS with an impressive share of 92.4%, followed by HTML with 90.3% and Open Graph with 36.7%.

CSS 92.4%
HTML 90.3%
Open Graph 36.7%
JSON 21%
DNS Prefetch 19.8%
Preconnect 16.5%
Preload 15.7%
SearchAction 14.1%
RSD 13%
Speculation Rules 12.3%
XFN 8.9%
XHTML 8.9%
YAML 6.5%
Pingback 5.7%
Prefetch 1.9%

🚀 Highlights

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

6. Preconnect ^(-3)
7. Preload ^(-3)
12. XHTML ^(-1)
13. YAML ^(-1)
16. RDF ^(-6)
18. Sass ^(-5)
20. WCAG ^(-25)
21. OpenID ^(-3)
23. Sitemap ^(-5)
25. Markdown ^(-2)

✨ Top Web Standards

Below is a more detailed list of the top 25 of the 48 standards used on sites from Hong Kong, 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.	92.4%
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.	90.3%
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.	36.7%
4	JSON A lightweight, language-independent data exchange format derived from JavaScript and used to structure and transmit data between systems.	21%
5	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML <link> elements instructs web browsers to resolve domain names for external resources before those resources are requested.	19.8%
6	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML <link> elements instructs browsers to establish early connections to external origins before resources are requested.	16.5%
7	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML <link> elements instructs web browsers to fetch important resources early before they are requested during page rendering.	15.7%
8	SearchAction Cambridge, Massachusetts, United States A structured data type from Schema.org that describes a website's search capability.	14.1%
9	RSD Wesley Hills, New York, United States An XML format that allows client software to discover services provided by web publishing systems.	13%
10	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.	12.3%
11	XFN United States An HTML microformat that represents human relationships by adding metadata to hyperlinks between websites and profiles.	8.9%
12	XHTML Cambridge, Massachusetts, United States An XML-based markup language that extends HTML 4.	8.9%
13	YAML Seattle, Washington, United States A human-readable data serialization language designed for representing structured data and exchanging it between systems and programming languages.	6.5%
14	Pingback An XML-RPC-based protocol that allows websites to notify each other when one links to another.	5.7%
15	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML <link> elements tells the browser to download resources that are likely to be needed for future navigation when the current page is idle.	1.9%
16	RDF Cambridge, Massachusetts, United States A W3C standard model for describing and exchanging graph-based data on the web.	1.5%
17	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%
18	Sass A stylesheet language that compiles to CSS and allows developers to use variables, nested rules, mixins, and functions.	0.9%
19	GraphQL Menlo Park, California, United States A data query and manipulation language for APIs typically used for remote client-server communications.	0.8%
20	WCAG Cambridge, Massachusetts, United States The Web Content Accessibility Guidelines are an international standard developed by the W3C that defines how to make web content, including text and media, accessible to people with disabilities.	0.6%
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.	0.6%
22	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.	0.6%
23	Sitemap A specialized XML file that lists a website's URLs and helps search engines discover pages available for crawling and indexing.	0.5%
24	Trace Context Cambridge, Massachusetts, United States Defines standard HTTP headers and a value format for propagating context information that enables distributed tracing.	0.5%
25	Markdown Philadelphia, Pennsylvania, United States A lightweight markup language used to add formatting to plain text documents using simple, human-readable syntax.	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 16,357 websites from Hong Kong.
We currently track the presence of 54 standards across the web.
Of these, 48 were detected on websites from Hong Kong.
Statistics were last calculated on September 27, 2026.
For more details, see our methodology and disclaimer.