This may seem a strange post, a SEO blog promoting other SEO blogs… but from my experience reading blogs is a fantastic way to learn! In the early days of my SEO career I tried to read a few blogs every day when I had chance and just for picking up the basics can be done very quickly (and hopefully this blog will help you pick up the basics too!).
There are a lot of great blogs out there but here are 5 to get you started