The beginner tag on a blog post means the text is suitable for beginners in that specific field. Posts that are under beginner tag are easy to read for everybody with intermediate English knowledge. You should also have some basic IT knowledge, but it is not necessary.
Academic / school year is almost over, and while some of you may have a few more subjects to finish, summer vacation is starting. Having fun and getting your mind off the school is expected, but we believe that you should spend, at least a part of, your free time expanding your knowledge.