► Eligibility to participate in AdSense
https://support.google.com/adsense/answer/9724

► Languages AdSense supports
https://support.google.com/adsense/answer/9727

► AdSense Program Policies
https://support.google.com/adsense/answer/48182

► Google Search Console
https://www.google.com/webmasters/tools/

► Bing Webmaster Tools
https://www.bing.com/toolbox/webmaster

► Yandex webmaster tools
https://webmaster.yandex.com/