Accessibility Checking for Large Sites

Rocket Validator integrates axe-core version 4.6, into an automated web site scanner.

To guarantee that text is pronounced correctly for screen reader users, the language given in the HTML content must be one of the valid languages.

The default language is chosen by users when setting up a screen reader. The screen reader assumes that a webpage is in the user’s default language when the language is not selected. When visitors access the website in more than one language and speak various languages, choosing a language becomes problematic. To ensure that website text is pronounced accurately, a language must be specified and validated.

Based on the pronunciation and traits of each language, screen readers employ distinct sound libraries for each one. If the papers specify which language(s) to read, screen readers can quickly switch between these language libraries. The screen reader will read the content in the user’s default language if the language is not set, which can be confusing.

What this Accessibility Rule Checks

The value of the lang attribute must be correct.

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