Sa11y

Spec sheet

Purpose

Sa11y is a collection of automated accessibility testing libraries and tools based on axe-core.Read 12 Oct 2026 · opensource.salesforce.com

Browser integrations

A minified bundle can be injected into a browser for integration testing and supports Selenium Java and WebdriverIO patterns.Read 5 Oct 2026 · opensource.salesforce.com

Browser testing

The WebdriverIO package checks browser-rendered pages with `assertAccessible()` or `assertAccessibleSync()`.Read 12 Oct 2026 · opensource.salesforce.com

Custom runners

The framework-agnostic matcher package exposes programmatic accessibility checks for custom test runners and integrations.Read 12 Oct 2026 · opensource.salesforce.com

Distribution

The project documents installation of its packages using npm or Yarn.Read 12 Oct 2026 · opensource.salesforce.com

DOM requirement

Accessibility checks require a rendered DOM, and template elements cannot be checked directly unless rendered.Read 12 Oct 2026 · opensource.salesforce.com

Frameworks

The project provides integrations for Jest unit tests, Vitest unit tests, and WebdriverIO component and integration tests.Read 5 Oct 2026 · opensource.salesforce.com

Intended audience

The project describes its libraries as tools for teams adding automated accessibility testing from unit tests through integration tests.Read 5 Oct 2026 · opensource.salesforce.com

Jest

The Jest package provides a `toBeAccessible()` matcher and can run accessibility checks automatically at the end of each test.Read 12 Oct 2026 · opensource.salesforce.com

Jest matcher

The Jest package provides a toBeAccessible() matcher and can run accessibility checks automatically after each test.Read 5 Oct 2026 · opensource.salesforce.com

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.Read 5 Oct 2026 · opensource.salesforce.com

Maker headquarters

Salesforce identifies San Francisco as its home and headquarters.Read 12 Oct 2026 · careers.salesforce.com

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.Read 5 Oct 2026 · opensource.salesforce.com

Other integrations

A browser bundle supports Selenium Java and WebdriverIO integration patterns.Read 12 Oct 2026 · opensource.salesforce.com

Rendered DOM required

The Jest documentation says checks run against a rendered DOM and cannot be run on static HTML markup.Read 5 Oct 2026 · opensource.salesforce.com

Reporting

The results formatter can filter exceptions and add WCAG metadata to accessibility results.Read 12 Oct 2026 · opensource.salesforce.com

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.Read 5 Oct 2026 · opensource.salesforce.com

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.Read 12 Oct 2026 · opensource.salesforce.com

Supported users

The libraries can test any user interface supported by axe-core and are not specific to Salesforce.Read 12 Oct 2026 · opensource.salesforce.com

Testing caveat

The WebdriverIO documentation cautions that color-contrast checks do not work in headless mode and recommends windowed mode when possible.Read 12 Oct 2026 · opensource.salesforce.com

Vitest

The Vitest package provides a `toBeAccessible()` matcher and supports automatic checks and custom results processing.Read 12 Oct 2026 · opensource.salesforce.com

Vitest matcher

The Vitest package provides a toBeAccessible() matcher for checking HTML elements or the DOM in unit tests.Read 5 Oct 2026 · opensource.salesforce.com

Plans and prices

Every Sa11y plan and price →

Where Specifiction places it

• Accessibility Testing Software#74 of 1698.1