If you want to learn about SEO then the best way to go about it is through actual experience. Like many things on the internet, the process of SEO involves trial and error. The fact is that SEO is not something which can be mastered over night. Even those who can be considered professionals in this line of work are still adapting to challenges posed by SEO.
The reason for this is really quite simple. Just as the internet is dynamic by nature, so too is SEO. Web pages and videos which get the top spot on a certain day will likely lose that popularity in the next. Moreover, videos, articles and pieces of information become viral in almost unpredictable ways.
So if something goes wrong or if you can’t get results on your first try, it’s important not to give up. Even experienced website developers have trouble getting the attention of their audience on the first try. What matters is that you are able to separate those tactics that work from those which do not work.