Whether you like it or not, a judgement will be made. In the end, it will be fair for everyone.
It's never easy to begin a fresh challenge. Especially a genuine challenge that will see you testing your knowledge or facing up to something that you have avoided for far too long. Do it the proper way: research and professional advice. That way, you know that you'll be off to a good start, and you'll avoid picking up bad habits or bad information right from the beginning.
Online resume sites where you post information about yourself are not as important to hiring managers or recruiters as you might think. Don't put all of your eggs in the online resume basket.