Which programming languages using tech giant companies like Google 😋😁

Question

do you know about guys??😅

Answer 1

Facebook uses php.
Youtube uses Flash, Python and Java.
google uses Java and C++.
yahoo uses .NET.
quora uses Python.
twitter uses Ruby on Rails, Scala and Java.

http://thevividworld.com/programming-language-used-by-famous-companies/

Answer 2

https://en.m.wikipedia.org/wiki/Programming_languages_used_in_most_popular_websites