Acknowledge and appreciate your readers especially regular readers by replying to comments and visiting their work.
Don't just type, talk to your audience. Blogging is way big a market on internet and people will like you if you do more than just providing information. Suggest, express, appreciate, criticize and have an opinion to build a relativity to a like minded audience. Make them feel that their visit to your blog matters to you.
Variety is the spice of life so spice up your blog now and then.