Storybook Accessibility Tests

5.3easy start · #24 of 25
in Developer Handoff Software

Free to practise onnot on record
Free trialnot on record
Well documentednot on record
Runs where you worknot on record

Runs on Web. Paid plans from $179/mo.

Storybook Accessibility Tests is ranked #24 of 25 in developer handoff software on The Geeks Club. It runs on Web. There is a free plan. Paid plans start at $179/mo.

Storybook Accessibility Tests plans and pricing

All plans

Storybook Accessibility addon Free Install with `npx storybook add @storybook/addon-a11y`; Storybook docs provide no separate price for the addon storybook.js.org · 4 Oct 2026

Chromatic Starter $179/mo 35,000 billed snapshots Everything in Free · additional billed snapshots $0.008 · Safari, Firefox, and Edge testing chromatic.com · 4 Oct 2026

Chromatic Pro $399/mo 85,000 billed snapshots Everything in Starter · custom domain chromatic.com · 4 Oct 2026

Chromatic Free Not published 5,000 billed snapshots Chrome testing · unlimited projects, users, and collaborators · Git and CI integrations chromatic.com · 4 Oct 2026

Chromatic Enterprise Not published Unlimited snapshots and TurboSnaps · unlimited accessibility usage · SSO and custom Git integrations · priority support and SLA chromatic.com · 4 Oct 2026

Compared on developer handoff software

Free plan: Yes

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The record

Purpose: The Accessibility addon audits a story’s rendered DOM against heuristics based on WCAG rules and other accepted accessibility practices.
Engine: The addon is built on Deque’s axe-core library, which Storybook says automatically catches up to 57% of WCAG issues.
Results: The Accessibility panel separates results into violations, passes, and incomplete checks that need manual confirmation.
Vision simulation: The addon adds a toolbar button to simulate different vision impairments.
Rulesets: By default, checks use rules based on WCAG 2.0 and 2.1 Level A and AA guidelines plus best practices.
Configuration: Users can configure the DOM context, axe settings and options, and individual rules for accessibility checks.
Vitest integration: The Accessibility addon integrates with the Vitest addon so accessibility checks can run alongside component tests in Storybook and CI.
Test behavior: The `a11y.test` setting supports `off`, `todo`, and `error`; CI errors require the setting to be `error`.
Manual review limit: Some checks are incomplete and require manual confirmation, and Storybook describes automated checks as a first line of QA for blatant violations.
Async rendering limitation: For asynchronous components such as those using Suspense or React Server Components, checks can run before final rendering and produce false negatives.
Who it is for: Storybook presents accessibility testing as a way to check the accessibility of UI components in stories.
Addon availability: Storybook lists Accessibility Storybook Addon A11y under popular addons and describes it as testing UI component compliance with WCAG web accessibility standards.
Price from: $179/mo

Where it ranks on The Geeks Club

Best Developer Handoff Software in 2026#24 of 25

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Sources

storybook.js.org/docs/writing-tests/accessibility-testin· checked 4 Oct 2026
storybook.js.org/addons· checked 4 Oct 2026
chromatic.com/pricing· checked 4 Oct 2026