Hi, in my opinion the link in the logo is something hard to understand. If I click on the upper left logo, where I read "Arduino Forum" with a nice draw of the arduino UNO, I want to go on the first page of the forum.
It took me a while to understand that the word Arduino and the logo points to the main site, and just the word Forum points to the forum. That sounds illogic!
I got a bit confused to start with too.
You'll get used to it. I just think the forum home icon needs to be bigger.