What are the methods and tools for analyzing the effectiveness of advertising campaigns on the Internet?

Question

Internet advertising

Hello! Share your experience, what methods and tools for analyzing the effectiveness of advertising campaigns on the Internet exist? What knowledge is needed for this?
For example, we use Google BQ (data is pulled there every day through Python scripts through the web services API) + Power BI.
What other options are there?

Answer 1

All analytics in Goole Analytics and AdWords. The main indicator is the conversion at each stage. Everything is configurable.