navigator.webdriver

The Webdriver specification defines a `navigator.webdriver` property to indicate if UA is controlled by automation. This property is defined and returns `true` when running Chrome with the `--headless` flag.

Documentation

• Intent thread: https://groups.google.com/a/chromium.org/forum/#!msg/blink-dev/6GysDZCWwB8/rXbGoRohBgAJ

Specification

Working draft or equivalent

Status in Chromium

Blink components: Internals>Headless

Enabled by default (tracking bug) in:

• Chrome for desktop release 63

Consensus & Standardization

• Firefox: No signal
• Edge: No signal
• Safari: No signal
• Web Developers: No signals

Owner

• shekyan@chromium.org

Search tags

Last updated on 2018-01-19