Alison.com a better way of online learning from home there are lot of courses available online at alison.com. Anyone can learn here easily and lot of knowledge from here. There are all type of courses availabe from the certificate to diploma courses. I was leaent HTML from there, my experiance was great. There where no cost for learning, nothing to pay until you complete the learning.
If you wanna a certificate for your what you learnt, then you need to pay money for certificate you have also two option to taking certificate offline printed certificate and online pdf format of certificate. Online cdrtificate cost easy but I think you must need to print that after you get. So my suggestion to all offline is better option if you have time about a week, because of it may be take some time to reach to your adress.