Stick to your niche
Plain and simply effective words – Stick to your niche. Or choose a niche where you can stick too. Don’t choose niche simply seeing the amount of money or renumeration or compensation it has. I did that and am repenting (yes parminder 
). Its you who will create a niche. So if you are blogging on a specific topic or working online on some field which is not as popular field as technology is, dont ever try to turn to technology simply because there are lost of scopes and other things. If you excel in your niche, its best. Better than going to other field. You will see growth soon, but you need to have patience a lot. Maybe few years ?
If you keep changing your niches, you will soon get worn out. I dont mean to say here that you stop discovering new horizons. But i mean to say something related top this proverb ” A rolling stone gathers no moss ” . But do quit or implement a change if you see that you are going no where.