When it comes to applying for jobs, you have to assume the following.
It's a generalisation and may not always be true, but in most cases it will be.
Every time you apply for a role and your resume sits in front of a hiring manager, if your application is being seriously considered, she will turn to her computer and google your name.
What will she find?
Will it be a blog that catalogues your expertise in your chosen field of endeavour?
Will it be the list of industry related journals that you've been published in?