I was never thinking that my blog is a source of job leads. Just because nobody told me that.
No, I’m not so naive. I know it could be and it is in my case.
But I was always writing because I found something interesting I wanted to share it with the world. But most of potential employees are going to google, writing your name and, if you have any blog, carefully read it.
Most of them will never tell you what they did, so don’t expect any feedback. But use your blog as a really good job looking source.