Hacker News Reader

>By making sites request this information rather than simply always sending it like the User-Agent header currently does, browsers gain the ability to deny excessively intrusive requests when they occur.

Browsers can just not send a UA header

View on HN

I tried this. It breaks a surprisingly large number of sites (or perhaps not-so-surprisingly), and good luck trying to beat Google's captcha without a User-Agent header.

Good luck trying to beat ReCaptcha if you're doing anything that puts you outside of the normal web browser behavior as imagined by Google's Algorithm.

If User Agent Client Hints become the new normal, I'm sure anyone excessively denying requests will be flagged in the same way.

Reply on news.ycombinator.com