You need to write a script that will go to a third-party site and fill in the fields in it. In what language would it be easier to implement this?

Question

Parsing

To what extent is it possible and difficult?

Answer 1

Python + Selenium. There is nothing complicated, you can see it here .
Python is not required, you can use JavaScript and C # and C ++, everything is from personal preference.

Answer 2

https://github.com/GoogleChrome/puppeteer