I think you need to consider what feel you want the site to have. Your visitors will often be technical people, but they are also basic human beings. The colour

I think you need to consider what feel you want the site to have. Your visitors will often be technical people, but they are also basic human beings. The colour, the fonts you use, the layout can all have a subtle effect in weighing up what you are like. The thing that most stands out to me is the variability of font size (on my phone) which I am not sure is deliberate.