Expert level Guidance for launching my website

I am a Mechanical Engineering Sophomore. I am working on launching my own (Blogging) website to make good money on the side and to support myself financially. I have studied C++ in my first semester. So I have basic know-how. I have done basic homework and have understood the basic working of website and how to use some of the languages involved. My aim is to develop a

1. Very Secure
2. SEO-Optimized
3. Excellent Quality
4. Fast
5. Having its own integrated Word-pad like one used in wordpress.

Website. Keeping in mind the above requirements, the latest trends and future prospects; which is the best language I should use for Front-end and similarly for Back-end. I am a beginner, So please Ignore any technical mistakes I made. I would highly appreciate if someone could mentor me in this journey.