Level AUnderstandableTested by A11yied
WCAG 3.1.1: Language of Page
3.1 Readable
What Does This Criterion Require?
The default human language of each Web page can be programmatically determined.
Technical Details
| WCAG Level | A |
|---|---|
| WCAG Version | 2.1, 2.2 |
| POUR Principle | Understandable |
| Guideline | 3.1 Readable |
| A11yied Testing | Fully Automated |
How A11yied Tests This Criterion
A11yied automatically validates WCAG 3.1.1 using browser-based testing that analyzes your page in real-time.
Implementation: language.ts
Test This Criterion on Your Site
Use A11yied to scan your website and identify WCAG 3.1.1 violations automatically. Get detailed reports with code examples and fix recommendations.
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Official WCAG Reference
View the official WCAG specification for 3.1.1 Language of Page on the W3C website for complete technical details and implementation guidance.
Read W3C Understanding 3.1.1→