in a nutshell, I believe that currently the only way to subscribe to a channel is from the channel itself. But, if i want to subscribe on a channel from another website, and track it for analytics, could be possible?

for example: if i want to promote my streming from my website, and people want to subscribe from my site (obivious still a normal Twitch subs) and i want to know how many people subs from my site.