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Sa11y

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description Sa11y Overview

Sa11y is an open-source, command-line tool that analyzes website performance by measuring various metrics like First Contentful Paint, Largest Contentful Paint, and Time to Interactive, providing detailed insights into potential optimization opportunities.

help Sa11y FAQ

What is Sa11y actually designed to test?

Sa11y is an open-source accessibility testing library from Salesforce, rather than a standard page-speed meter. Its tools are based on axe-core and can be used in Jest, Vitest, and WebdriverIO test setups.

Can Sa11y be used in automated tests?

Yes. Salesforce documents Sa11y packages for Jest unit tests, Vitest unit tests, and WebdriverIO component or integration tests.

Does Sa11y measure Largest Contentful Paint?

Sa11y is primarily for automated accessibility checks, not Core Web Vitals such as Largest Contentful Paint. A separate performance tool is needed for page-speed metrics.

Is Sa11y open source?

Yes. Salesforce publishes Sa11y as an open-source accessibility testing project. It is intended to help development teams catch accessibility problems during testing.

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