⚡ Semantic Markup in Japan

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.

Japan is an East Asian country with a population of around 125 million people.

According to our research, semantic markup technologies are used on 69.5% of websites from Japan.

Statistics based on 160K+ analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Open Graph with an impressive share of 79.1%, followed by ARIA with 64.3% and Twitter Cards with 57.5%.

🚀 Highlights

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

✨ Best Semantic Markup Technologies

Below is a more detailed list of 12 semantic markup technologies used on sites from Japan, ranked by their market share.

RankNameMarket share
1
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.
2
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.
3
Twitter Cards
Bastrop, Texas, United States

A metadata format used by X, originally Twitter, that enables links in posts to display rich previews with images, videos, and interactive media to increase engagement and traffic.
4
JSON-LD
Cambridge, Massachusetts, United States

A lightweight linked data format used to embed structured data into web pages.
5
oEmbed
San Francisco, California, United States

An open format that allows websites to embed representations of external URLs such as videos, images, and posts from third-party services.
6
SearchAction
Cambridge, Massachusetts, United States

A structured data type from Schema.org that describes a website's search capability.
7
Microdata
Cambridge, Massachusetts, United States

An HTML specification that is used to nest metadata within a document, in parallel with the existing content.
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.
12
Product Ontology

The Product Types Ontology provides 300,000 definitions for types of product or services that extend the schema.org and GoodRelations standards for e-commerce markup.

👉 See Also

🗃️ About This Data