⚡ Semantic Markup in Hong Kong

Semantic markup is code added to web pages to describe the meaning of content elements and their relationships, giving search engines and other systems clearer context beyond visual layout.

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

According to our research, semantic markup technologies are used on 43.2% of websites from Hong Kong.

⭐ Most Popular in 2026

The following chart shows the top semantic markup technologies in Hong Kong in 2026, based on market share.

The most popular is ARIA with an impressive share of 71.4%, followed by Open Graph with 51.6% and JSON-LD with 41.4%.

🚀 Highlights

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

✨ Best Semantic Markup Technologies

Below is a more detailed list of 11 semantic markup technologies used on sites from Hong Kong, ranked by their market share.

RankNameMarket share
1
ARIA
Cambridge, Massachusetts, United States

A W3C technical specification that defines how to improve the accessibility of web content and applications, particularly those with dynamic interfaces and custom controls.
2
Open Graph
Menlo Park, California, United States

Enables any web page to become a rich object in a social graph.
3
JSON-LD
Cambridge, Massachusetts, United States

A lightweight linked data format used to embed structured data into web pages.
4
Twitter Cards
Bastrop, Texas, United States

With Twitter Cards, you can attach rich photos, videos and media experiences to tweets, helping to drive traffic to your website.
5
Microdata
Cambridge, Massachusetts, United States

An HTML specification that is used to nest metadata within a document, in parallel with the existing content.
6
SearchAction
Cambridge, Massachusetts, United States

A structured data type from Schema.org that describes a website's search capability.
7
oEmbed

A format for allowing an embedded representation of a URL on third party sites.
8
Microformats

A set of defined HTML classes and attributes created to serve as descriptive metadata about an element, representing commonly published things like people, events, blog posts, reviews, and so on.
9
RDFa
Cambridge, Massachusetts, United States

An extension to HTML5 that adds attributes to markup things like people, places, events, recipes, and reviews.
10
Dublin Core

A metadata element set used for documents and other objects.
11
Microformats2

A set of defined HTML classes and attributes created to serve as descriptive metadata about an element, representing commonly published things like people, events, blog posts, reviews, and so on.

👉 See Also

Data is based on the analysis of 17,964 websites from Hong Kong.
Statistics were last calculated on .
For details, see our methodology and disclaimer.