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Lumi vs axe by Deque

Why five engines beat one - even the best one

axe-core by Deque is the industry standard accessibility engine - and it's one of Lumi's five engines. We run axe-core plus four additional engines that catch what it misses. Deque's paid products (axe Monitor, axe DevTools Pro) start at $5K+ for onboarding.

Feature
Lumi
axe by Deque
Scanning engines
5
1
Accessibility rules
350+
84
Custom checks
64
0
Keyboard testing
AI visual analysis
WCAG 2.2 (enabled)
Disabled
Multi-page crawling
Paid
Score tracking
Paid
CI/CD API
Scan comparison
Paid
Starting price
£29/mo
$40/mo+

What Lumi finds that axe by Deque misses

Runs axe-core PLUS four additional engines
64 custom checks catching issues axe misses (alt text quality, CAPTCHA, ARIA live regions)
Keyboard interaction testing (focus traps, focus obscured, tab order)
AI-powered visual analysis (gradient contrast, icon buttons, colour-only indicators)
WCAG 2.2 checks enabled by default
From £29/mo vs $5K+ enterprise onboarding
Dashboard, scan comparison, and regression alerts included at every tier

Where axe by Deque falls short

Single engine - no keyboard interaction testing
No computed visual analysis (gradients, overlap, truncation)
WCAG 2.2 rules disabled by default
Enterprise products are expensive ($5K+ onboarding)
No multi-engine cross-validation

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