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13.5Key Takeaways
- AI-powered visual testing eliminates the false positive problem that killed pixel-diff adoption. Vision models can distinguish meaningful changes from rendering noise.
- axe-core catches 30-40% of accessibility issues automatically -- run it on every page on every PR. The remaining 60-70% requires human judgment and AI-assisted auditing.
- Color contrast is the most commonly violated WCAG criterion and the easiest to test automatically. Encode the 4.5:1 and 3:1 ratios into your CI pipeline.
- Keyboard navigation testing catches real user pain -- if your checkout flow is not completable via keyboard only, you are excluding users and inviting lawsuits.
- The European Accessibility Act is now in effect -- if your product is sold in the EU, WCAG 2.1 AA compliance is legally mandatory, not optional.
- Design token verification prevents design drift -- automated comparison between Figma specs and computed CSS styles catches the gradual divergence that manual review misses.
- Component-level visual testing in Storybook catches issues earlier than page-level screenshots, at a fraction of the cost.