What languages do you I need to learn to build a website that has a crowd funding platform, live records of money collected and

Question

transactions (the money is added and deducted in real time), a poll and a blog, user's feed (they can follow each other like on social media) and a dashboard? They can also retweet posts and comments like on Twitter and moderators moderate what is posted.

Answer 1

html, css, jQuery/JavaScript and one of the following:
- PHP
- python
- java
- c# I think
- more JavaScript
there's more but these are the most common I think. for a beginner I recommend php >= python > java.
also some sql won't hurt since you'll need a database.