Does traffic show in similarweb?

Hello, I want to ask,

does your traffic will show in similarweb.com or alexa only?

Of course, you just need to connect your Google Analytics to Similarweb, here’s some more information on that: https://support.similarweb.com/hc/en-us/articles/208420125-What-does-connecting-my-Google-Analytics-account-with-SimilarWeb-mean-