4 ms·
They seem decently well supported, see e.g. https://nameconstraints.bettertls.com/#!view?results=chrome_63_osx10.13.3 https://nameconstraints.bettertls.com/#!vi
by btown 5y ago
They seem decently well supported, see e.g. https://nameconstraints.bettertls.com/#!view?results=chrome_63_osx10.13.3 https://nameconstraints.bettertls.com/#!view?results=chrome_... and https://nameconstraints.bettertls.com/#!view?results=firefox_50_windows https://nameconstraints.bettertls.com/#!view?results=firefox...
- tialaramex 5y agoHowever, note that some relatively modern versions of Safari (because of course) don't support this constraint. This might be no problem for you, or, it might be a complete showstopper.