So saith the website...
As an ISTJ, you are Intraverted, Sensing, Thinking, and Judging.
This makes your primary focus on Introverted Sensing with Extraverted Thinking.
This is defined as a SJ personality, which is part of Carl Jung's Guardian (Security Seeking) type, and more specifically the Inspectors or Duty Fufiller.
As a weblogger, you may will have a dependable form of posting. You may be more likely to be judgementatal toward others who aren't as dependable. You may get taken advantage of in group situations because you are known as not being able to say no. Because of your respect for facts and information, you may need multiple blogs to keep all of the information sorted in your head.
Hmm....