It probably depends on the subject of the site, but I can say that I used this kind of contextual advertising order to promote myself. The truth is that it didn't start working for me right away, I didn't know how to set it up properly. And then I turned to these guys, who set up my contextual advertising in https://ppcorder.com/en/contextual-advertising/
did, so that it turned out to be the maximum return. So I advise these same experts to contact, there are competent guys, be sure to help you promote your site.