Help via Forum
Forum is a good place to go when you get lost. The king of forums is StackOverflow. But they are sometimes not as friendly to newbies. Go questions are down voted repeatedly with no further explanation. You can ask a wide range of questions on SO, but you have to ask in the correct way. And never, ever ask for any opinions.
Questions about HTML, CSS and Javascript
There are many forums out there where you can ask questions about this. Here is some:
Questions about Golang
There are few forums out there where you can ask questions about Go. Here is a couple: