What do you think of my website?

It's a good start,

I would git rid of the (slightly) note because you want to sound confident. You don't have to be an expert on something just confident with the skills you do have. Confidence is a huge thing to employers (It looks like your page is your resume).

Also ditch the (as you see). Let someone ask you 'who designed your website?' and then you can shock them by responding that 'I did it!'

I like the first line, it's repetitive, but funny :)

Hey Alex! Way a good way to start :D! You have your own domain and everything! Keep up the good work! How long have you been programing? Are you self taught?

Hi Alex, I'm no expert but my first and honest opinion is the colours and style hurts my eyes, was that intentional? It looks very 90's, but I saw in the CSS you were using a "Super Mario Font" so I guess it might be what you're looking for ..

The structure of the HTML is good, although an id should only be used once and I would use <br /> instead of <br> ..

Keep on working on it, I would consider going deeper on the design part if I were you (colour schemes, fonts, etc..).