You are an INTP!
As an INTP, you are Introverted, iNtuitive, Thinking, Perceiving.
This makes your primary focus on Introverted Thinking with an Extraverted Intution.
This is defined as a NT personality, which is part of Carl Jung's Rational (Knowledge Seeking) type, and more specifically the Architect or Thinker.
As a weblogger, you might not be as concerned about popularity, but more with the ideas and theories that you strive to understand. Because routines aren't your strong point, you might be more likely to work on the concept of how to do a blog, but not be as excited to keep it up.