GB/T 37668-2019Information technology—Internet content accessibility technical requirements and conformance testing (English PDF)

2.1 Webpage

A plain text file containing a Hypertext Markup Language tag.

Note. A web page is an essential element of a website.

2.2 Mobile app

Application software running on mobile devices.

2.3 Assistive technology

Hardware or software that acts as a user agent or works with mainstream user agents.

Note. Provides the ability to meet the needs of people with different body functions, which often exceed the functional requirements provided by mainstream user agents.

2.4 User agent

Any software that retrieves and renders web content for users.

2.5 Accessibility

Internet content is perceptible to specific users (including disabled, elderly, and other users), and the interface group in the content

The pieces are operational, the content and control definitions are understandable, and the content should be well compatible.

2.6 Non-text content

The content of any non-character sequence.

Note. This sequence of characters is programmable or used in places where the sequence does not express the meaning of human language.

2.7 Alternative text

Can be programmatically determined, used to replace text in non-text content, or used to supplement non-text content and can be determined programmatically

The text that is referenced in the text.

2.8 Navigation structure tag

A label that helps browsers quickly access different page content.