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Lang
Based on 421 audited sites · Updated 2026-04-05
91.7%of audited sites pass this check
95% confidence interval: 88.7%–94%
About This Check
The HTML lang attribute helps AI systems understand the content language for proper localization and response generation.
Status Breakdown
91.7%pass(386)
8.3%warn(35)
0%fail(0)
Compliance Trend
Daily pass rate for this check across benchmark snapshots (up to 90 days).
Pass Rate by Industry
How different industries perform on this specific check.
Industry Context
Average audit scores by industry across all checks.
Technology74.9n=187
Media & Entertainment73.7n=76
Education74.8n=29
E-Commerce70.9n=28
Finance74.9n=21
Automotive73.6n=11
Fintech72.5n=8
Healthcare75.5n=8