Open Source Accessibility Testing Library

Introducing Deque’s aXeDeque System’s aXe (The Accessibility Engine) open source library is a lightweight (~100 KB), fast, portable JavaScript library that executes automated accessibility testing inside your testing framework or browser of choice.Re-written from scratch over the last year, leveraging 15 years of accessibility experience, these rules represent the state of the art in automated accessibility testing.

Source: Introducing aXe by Deque!