The general rule of thumb from what I've heard is that if you're not getting responses from submissions either something is wrong with your resume, there's some

The general rule of thumb from what I've heard is that if you're not getting responses from submissions either something is wrong with your resume, there's some red flag the first stage of hiring found or you may be under-qualified for positions you've applied to. Of course it is a large black box process so it's hard to say the exact cause of each failed submission. Taking a look at your personal site I think the portfolio section could be enhanced to make it more appealing and FYI it looks like your blog has been partially overwritten by spam.