⚡ Semantic Markup in American Samoa

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.

American Samoa is a Polynesian unincorporated territory of the United States with a population of around 45 thousand people.

According to our research, semantic markup technologies are used on 70.3% of websites from American Samoa.

Statistics based on 195 analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is Open Graph with an impressive share of 80.3%, followed by ARIA with 73.7% and Twitter Cards with 46.7%.

Open Graph 80.3%
ARIA 73.7%
Twitter Cards 46.7%
JSON-LD 39.4%
SearchAction 35%
oEmbed 33.6%
Microdata 19%
RDFa 1.5%
Microformats 1.5%
Dublin Core 1.5%

🚀 Highlights

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

1. Open Graph ^(-1)
5. SearchAction ^(-1)
8. RDFa ^(-2)

✨ Best Semantic Markup Technologies

Below is a more detailed list of 10 semantic markup technologies used on sites from American Samoa, ranked by their market share.

Rank	Name	Market 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.	80.3%
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.	73.7%
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.	46.7%
4	JSON-LD Cambridge, Massachusetts, United States A lightweight linked data format used to embed structured data into web pages in a machine-readable form.	39.4%
5	SearchAction Cambridge, Massachusetts, United States A structured data type from Schema.org that describes a website's search capability.	35%
6	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.	33.6%
7	Microdata Cambridge, Massachusetts, United States An HTML specification used to embed structured metadata within web page content by annotating elements with machine-readable attributes.	19%
8	RDFa Cambridge, Massachusetts, United States An extension to HTML5 that embeds structured metadata within page content by adding attributes based on the RDF data model.	1.5%
9	Microformats San Francisco, California, United States Microformats (μF) are a set of standardized HTML class names and attributes used to embed descriptive metadata within existing page content for entities such as people, events, reviews, and blog posts.	1.5%
10	Dublin Core Roseville, Minnesota, United States A metadata element set used to describe documents and other digital or physical resources in a standardized way.	1.5%

🗃️ 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 195 websites from American Samoa.
We currently track the presence of 14 semantic markup technologies across the web.
Of these, 10 were detected on websites from American Samoa.
Statistics were last calculated on June 16, 2026.
For more details, see our methodology and disclaimer.