High severity issue

Fix Missing HTML lang attribute before users hit a dead end

Checker scans every page to catch The <html> tag is missing the lang attribute, which is important for accessibility and SEO and shows you the exact place to fix.

Problem

The <html> tag is missing the lang attribute, which is important for accessibility and SEO. Assistive technology users lose context or control.

Impact

Failed audits, frustrated users, and higher drop-off.

Fix

Checker highlights the exact element and selector to fix.

How Checker fixes Missing HTML lang attribute

  1. 01

    Scan every URL on your site and match against the rule.

  2. 02

    Group similar findings so fixes can be applied in batches.

  3. 03

    Verify the fix with a rescan and track the trend over time.

Example issue

Example: https://example.com/pricing is flagged. The <html> tag is missing the lang attribute, which is important for accessibility and SEO.

Detector: missing_html_lang
Severity: high
Rule: The <html> tag is missing the lang attribute, which is important for accessibility and SEO.

Trust signal

Deterministic rules, clear selectors, and repeatable scans mean every fix can be verified.

Proof

Testimonial placeholder: “Checker flagged our Missing HTML lang attribute issues before a launch.”

Outcome

Clear remediation steps, fewer regressions, and stronger audits.

FAQ

How does Checker detect Missing HTML lang attribute?

The <html> tag is missing the lang attribute, which is important for accessibility and SEO.

Can I fix these issues in bulk?

Yes. Checker groups similar findings so you can resolve patterns instead of one-off fixes.

When should I rescan?

Run a new scan after you deploy fixes to confirm the issue is resolved.

Ready to fix Missing HTML lang attribute?

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