Here are a couple of other sites you can check out too!!!
www.codeacademy.com
www.coursera.org
www.codeschool.com
www.khanacademy.org
I hope this helps you!!
I personally like the site "codeacademy" this site walks you through each
task that goes into writing and learning HTML coding in detail step by step instructions.
This site is free no monthly fees!! All of the courses on this site is completely
free to use at your own pace.