Which languages must I learn to become a good web developer?
You need to learn the browser languages:
- JavaScript
- HTML
- CSS
You also need to learn how the browsers communicate with the servers.
- HTTP(S)
- TCP/IP
You also need to learn a server-side programming language. Popular ones:
- JavaScript
- Ruby
- Python
- Java
- PHP
You also need to learn a Server-side Web Framework. Popular ones:
- Ruby on Rails
- Django
- Lavarel
- Spring
You also need to learn SQL and what an RDBMS is.
You also need to learn NoSQL technologies, which are becoming very popular.
You need to STUDY, PRACTICE, STUDY, PRACTICE ….
And if you want to accelerate your learning….learn with others. Other students and one or more mentor.
BTW, have a look here: Web Development - WordPress Development Best Analysis 2024 It will give you an idea what a Full-Stack Web Developer curriculum is composed of.
Kind Regards