I want to learn all the courses what is the best arrangement to learn?

Question

1.html 2.css 3.javascript 4.. 5.. 6...?

Answer 1

1. HTML
2. CSS
3. JavaScript
4. PHP
5. SQL
or:
1. HTML
2. CSS
3. Python + django (django/flask are python frameworks)
4. SQL

Answer 2

Next SQL 6. ..7. 8.. 9.. 10.. 11. 12 13.?

Answer 3

If you learn that, then you're already a full-stack web developper

Answer 4

Yes
When l want to learn to make application after that what l need to learn?
And are l need to learn c &c++ also?

Answer 5

You're looking way too far, learn these first, they're not easy. It light take you months to learn and master these languages, only then you can move to other fields, like making applications and other.
And no, for web development, C and C++ are NOT required

Answer 6

Also ruby what l need it?