Detect or Not Detect Chrome Headless

Yes It's possible. Despite these tips described in this article https://intoli.com/blog/not-possible-to-block-chrome-headless/, it's possible to detect Chrome headless.

For example these 2 sites detect & block Chrome Headless. : - https://programmetv.ouest-france.fr/ - https://www.orexad.com/collier-bande-pleine-largeur-9-mm-w1/p-0445-8013441

To do this, he uses the DataDome Real-Time Bot Protection service https://datadome.co/