
Passion
Until and unless you are passionate about what you write you cannot be successful with your blog. How can one expect to be people to be interested in reading something, they themselves are not interested in writing. Readers always want to read content that can impart some knowledge and is written by someone who actually knows what they are writing. The topic of your blog can be anything. You can find blogs even on many obscure topics too.
You cannot fool the readers
One cannot fake to be passionate about something. Passion is something that one feels from within. However, each one of us is passionate about one thing or the other. It can be anything a hobby, some technology, or some issue. So, introspect and find the niche you have the passion for. One you find it, pour out your heart out in your posts and it is guaranteed that that readers will love your blogs.
Do not hesitate even if your passion is obscure
It does not matter if you want to start you blog on an obscure topic. There will be many out there who think just like you and will share the same interests like you. So, irrespective of the fact you are interested in writing on something obscure, your blog will still find readers for itself. You may not become successful overnight but if you are posts are interesting; success will pave its own path.
Make your posts personal
Whenever you post something on your blog, it does not have to be necessarily informative and formal. Instead, you can add a personal touch to all your posts and share your personal experiences with your readers. You can Share your triumphs, your joys, your hates and your loves on the topic. Not all readers are interested in platonic reading. If feelings are attached to the posts, it arouses their interests in the post.