a11y Viewer

Simulate vision loss, color blindness or inability to use a pointer.

Demo

Checkout the live demo!

Note: The online demo is restricted to HTTPS and web pages allowed inside an iframe.
If you install the a11y-viewer locally, you don't have these restrictions.

Install

The a11y-viewer is written in Node.js and can be installed via npm:

npm install -g a11y-viewer

Command Line usage

You can start the a11y-viewer directly from the command line:

a11y-viewer [url] [--port number] [--open]

Options

All options are optional.

url

If you provide a URL for a specific web page (e.g. https://www.voorhoede.nl), the a11y-viewer will start on this page.

--port number

Port number to start a11y-viewer on (e.g. --port 3000). Defaults to 1119 ("a11y" in T9).

--open

If you pass this option, the a11y-viewer will start and open in your default browser.

Help

You can view all options at any time using --help:

a11y-viewer --help

Examples

Start a11y-viewer with default index:

a11y-viewer

Start a11y-viewer for specific web page:

a11y-viewer https://www.voorhoede.nl

Start a11y-viewer on specific port:

a11y-viewer https://www.voorhoede.nl --port 3000

Start a11y-viewer and open in browser:

a11y-viewer https://www.voorhoede.nl --port 3000 --open

Contributing

See CONTRIBUTING.md for guidelines and development scripts.

License

MIT licensed © De Voorhoede