If you are going to be learning touch typing online then your first responsibility is going to be spending time researching and identifying the best website to learn it from. By managing to find the right website where you could learn something from, it would be easier for you to stick to your routine and maintain an appropriate schedule.
If English is not your first language and you are not even comfortable with this language then it may well be a good idea for you to look for a website in your local language that would allow you to learn touch typing. Touch typing is easy to learn but you will need to understand the basic tricks that are associated with it.
You will want to know which finger should be used to type which letters so that you can practice it. It is important that you stick to what you learn instead of ignoring it at times just to quicken the process as this could backfire and make it even longer the process of mastering touch typing for you.
When looking for a website to learn touch typing from in your local language make sure the website can be trusted and that it is managed by an established institution that may be offering tuition based on an established touchmetoden system.