Accessibility: WCAG 2.0 AA – Lang Attribute Requires Valid Value

The language specified in the HTML document must be one of the valid languages to ensure text is pronounced correctly for screen reader users.

How to Analyse in the SEO Spider

To populate this filter ‘Accessibility’ must be enabled via ‘Config > Spider > Extraction’ and ‘JavaScript rendering’ mode via ‘Config > Spider > Rendering’.

View URLs with this issue in the ‘Accessibility’ tab and ‘Lang Attribute Requires Valid Value’ filter.

Use the lower ‘Accessibility Details’ tab to click on the issue on the left-hand side, and see details of the location on the page of the violation on the right-hand side.

Bulk export the pages and details of the accessibility violations via ‘Bulk Export > Accessibility > All Violations’.

What Triggers This Issue

Please view the Deque University website further reading link below for ruleset triggers.

How To Fix

Ensure lang attributes have valid values.