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A continuous integration service using pa11y, a web accessibility tool. It provides a script for generating accessibility statistics for all pages on a site, which is designed to run within a testing environment like Travis CI (though it can run anywhere). It then stores the results of scans in a Postgres database and produces a badge with the result that can be used as an image on any website.


See CONTRIBUTING for additional information.

Branch flow

  • Main branch: release
  • Development branch: develop


Run as part of your Travis CI suite of tests.

  1. Copy the script to your repo and add after_script: ./path/to/ to your .travis.yml file.

  2. Set a few environmental variables:

    • RUN_SCRIPT: The command for serving your site. Necessary if the server shuts down after the tests run in script. Make sure that the server detaches so that the script continues to run.
    • KILL_SCRIPT: The command to stop serving. This is optional, and more useful for local development.
    • USE_SITEMAP: If your site has a sitemap.xml file, set to true to use that instead of the spider.
    • PORT: The port on localhost where your served site is found.
    • STANDARD: The accessibility standard used for testing. Defaults to WCAG2AAA, but can also be Section508, WCAG2A, or WCAG2AA.
    • CONTINUA11Y: The location where continua11y is running. The main site is, but you can change this for testing purposes or whatever.


cp .env.sample .env
npm install
node app.js # or foreman start

You may run into trouble installing the gh-badges package. Check that project for more in-depth information.

Docker setup

Optionally, you can use Docker (and docker-compose) to run the server locally. Once you have Docker and docker-compose installed, run:

docker-compose up

If you're on a Mac, you can get the IP address of the local server by running docker-machine ip.

Then open http://$(docker-machine ip):3000 (or visit localhost:3000 if you're on Linux.).

Public domain

This project is in the worldwide public domain. As stated in CONTRIBUTING:

This project is in the public domain within the United States, and copyright and related rights in the work worldwide are waived through the CC0 1.0 Universal public domain dedication.

All contributions to this project will be released under the CC0 dedication. By submitting a pull request, you are agreeing to comply with this waiver of copyright interest.