Niche is a term used in number of technologies and other groups to refer to specific topic or subject. In simple we can say niche as Category.
Blogs and websites have based on different niches. When a blogger is doing
blogging on topics like, 'Computers', 'IT', 'Mobiles', 'Games' etc, then that blogger is doing blogging under 'Technology' niche. Because posts related with mobile, games, computers and IT lie in technology category.
Some of Best niches for Blogging are:
1. Weight Loss Tips
2. Mobile phones reviews
3. Technology Updates
4. Computer's/ IT
5. Games