# `mix excessibility.check`
[🔗](https://github.com/lessthanseventy/excessibility/blob/v0.18.1/lib/mix/tasks/excessibility_check.ex#L1)

Runs axe-core accessibility checks against any URL.

This task is a thin wrapper around `Excessibility.Scanner.scan/2`.

## Usage

    # Check a live website
    mix excessibility.check https://example.com

    # Check a local dev server
    mix excessibility.check http://localhost:4000/

    # Check with options
    mix excessibility.check https://example.com --wait-for "#main" --screenshot /tmp/shot.png

## Options

  * `--wait-for` — CSS selector to wait for before checking
  * `--wait-until` — `load` | `domcontentloaded` | `networkidle`
  * `--screenshot` — Path to save a PNG screenshot
  * `--disable-rules` — Comma-separated axe rule IDs to skip
  * `--tags` — Comma-separated axe tags (default: `wcag2a,wcag2aa`)
  * `--timeout` — Navigation timeout in ms (default: `30000`)
  * `--viewport` — Viewport size as `WxH` (default: `1280x720`)
  * `--user-agent` — Override the default Chrome UA

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*Consult [api-reference.md](api-reference.md) for complete listing*