https://blog.hubspot.com/marketing/google-tag-manager-guide
https://support.google.com/tagmanager/answer/6103696?hl=en
https://www.analyticsmania.com/post/google-ads-conversion-tracking-with-google-tag-manager/
https://www.searchenginejournal.com/google-tag-manager-ppc-tracking/288027/#close
https://www.adhook.io/en/blog/digital%20advertising/Conversion-Tracking-with-Google-Tag-Manager