aria-live="assertive" used without alert role

Verdict and Severity

Verdict

recommended improvement

Severity

Medium

Confidence

medium

Status

needs_review

Rule

rule:web-live-regions

User Impact

Screen reader users experience disruptive interruptions.

Evidence

Expected Behavior

Use aria-live="polite" for most updates.

Actual Behavior

aria-live="assertive" without role="alert".

Why It Matters

An assertive live region may disrupt screen reader users unnecessarily.

Recommendation

Change to aria-live="polite" unless critically urgent.

Validation Steps

1. Trigger update with screen reader — check urgency level

Standards Mapping

Standards Basis

WCAG fallback

Source Tier

Tier 4: WCAG fallback

Target Standards

TGT-LIVE-001

WCAG Success Criteria

4.1.3

Confidence and Caveats

Heuristic: assertive without alert is often misused.

Caveats

• May be intentional for critical updates