the best website for learnning Graphic Design

hi guys ,
i am pretty sure that some of you are looking where to learn graphic design free, but not able to find a good resource.
here is my best website.
www.dachbest.com
enjoy
regards

thanks mate,I would look it through,because I ma looking something like these

It is a bit ironic because the page with that multicolor bar doesn't look that good

drop down of that website is not working properly then how they are teaching web designing?