Sa11y
The facts below are what the maker publishes about Sa11y, checked and dated. Our editors have not written about it yet.
Plans and prices
From Sa11y's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Sa11y | Free | Open-source accessibility testing libraries · packages installable from npm |
The facts
Each one read from Sa11y's own pages, with the date it was checked.
Where it runs
- Browser integrations
- A minified bundle can be injected into a browser for integration testing and supports Selenium Java and WebdriverIO patterns.checked 5 Oct 2026
- Browser testing
- The WebdriverIO package checks browser-rendered pages with `assertAccessible()` or `assertAccessibleSync()`.checked 12 Oct 2026
What it does
- Custom runners
- The framework-agnostic matcher package exposes programmatic accessibility checks for custom test runners and integrations.checked 12 Oct 2026
- Distribution
- The project documents installation of its packages using npm or Yarn.checked 12 Oct 2026
- DOM requirement
- Accessibility checks require a rendered DOM, and template elements cannot be checked directly unless rendered.checked 12 Oct 2026
- Frameworks
- The project provides integrations for Jest unit tests, Vitest unit tests, and WebdriverIO component and integration tests.checked 5 Oct 2026
- Intended audience
- The project describes its libraries as tools for teams adding automated accessibility testing from unit tests through integration tests.checked 5 Oct 2026
- Jest
- The Jest package provides a `toBeAccessible()` matcher and can run accessibility checks automatically at the end of each test.checked 12 Oct 2026
- Jest matcher
- The Jest package provides a toBeAccessible() matcher and can run accessibility checks automatically after each test.checked 5 Oct 2026
- JSDOM limits
- The Jest documentation says color-contrast and audio/video checks are disabled or unavailable in JSDOM and recommends a real browser for checks requiring visual rendering.checked 5 Oct 2026
- Not Salesforce-specific
- The libraries can test any user interface supported by axe-core and are designed to be flexible, customizable, and reusable across testing workflows.checked 5 Oct 2026
- Other integrations
- A browser bundle supports Selenium Java and WebdriverIO integration patterns.checked 12 Oct 2026
- Purpose
- Sa11y is a collection of automated accessibility testing libraries and tools based on axe-core.checked 12 Oct 2026
- Rendered DOM required
- The Jest documentation says checks run against a rendered DOM and cannot be run on static HTML markup.checked 5 Oct 2026
- Reporting
- The results formatter can filter exceptions and add WCAG metadata to accessibility results.checked 12 Oct 2026
- Rule presets
- Sa11y provides Base, Extended, and Full axe rule presets, with Base used by default in the Jest and Vitest matchers and assert APIs.checked 5 Oct 2026
- Rule sets
- Sa11y provides base, extended, and full axe rule sets; base is the default, while extended includes WCAG AAA, experimental, and non-WCAG best-practice rules.checked 12 Oct 2026
- Supported users
- The libraries can test any user interface supported by axe-core and are not specific to Salesforce.checked 12 Oct 2026
- Testing caveat
- The WebdriverIO documentation cautions that color-contrast checks do not work in headless mode and recommends windowed mode when possible.checked 12 Oct 2026
- Vitest
- The Vitest package provides a `toBeAccessible()` matcher and supports automatic checks and custom results processing.checked 12 Oct 2026
- Vitest matcher
- The Vitest package provides a toBeAccessible() matcher for checking HTML elements or the DOM in unit tests.checked 5 Oct 2026
The company
- Maker headquarters
- Salesforce identifies San Francisco as its home and headquarters.checked 12 Oct 2026
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