General reason why people will subscribe because they found your site is useful and have great content. Others depend on what they liked, it could be your layout, attitude, and so much more. Also they (The subscriber) are more like comment, where it supposed to be the support for your blog. The last question how we can generate these Subscriber is listed down below http://thewirds.com/index.php/2009/01/05/20-way-to-gain-more-subscriber/
You see hundreds of these posts all over the internet and they all say pretty much the same. The number one way to get subscribers is to give them unique and great content that makes them want to subscribe to your blog. It does`nt matter how many fancy subscription options or banners you have, if your content is crap they wont subscribe.
Actually, there are ways to gain subscribers. Hold contests. Once people subscribe, mainly motivated to win the contest prize, they will start reading your content, and if it is quality they will become devoted subscribers and spread the word. Also E-books help a lot too.
Yes, giving readers a reason in joining your feed will give you accountability of getting increased RSS readers as well.
Just ask yourself this question.."why do you want to subscribe to a blog or a website??" That pretty much answers this question...... "how to get more subscribers?" Some times it is better not to think out of the box
Thats a great post. But it surrounds most of the information around RSS. Why is that? Especially being the AVERAGE blog reader will not look in the RSS section at ALL!