8.20 WCAG 2.1 Success Criterion 3.1.1 − Language of Page
Ensure the primary language of a webpage is defined within the HTML code. The correct speaking language will be loaded by screen readers to read the words in the webpage.
The example above is written in Chinese. When using screen readers, it is important for the tool to know the language of the webpage.
Before Rectification
After Rectification
In order for the screen reader to work correctly, the above language specification must be included in the HTML code.
WCAG 2.1 Reference:
https://www.w3.org/WAI/WCAG21/Understanding/language-of-page
