Adsense track users/clicks using following methods
Cookies
IP address(IPv4)
Servers
VPN
Proxy
Mac address
If you don't want to get banned by Adsense do the following things
1.don't click on your ads
Clicking on your ads will instantly banned you so don't click on your ads
2.don't use auto click script
Many people sell auto click script online don't use those scripts
3.don't force people to click on ads
Eg:adding text like "click on ads" adsense will reviews your site if you have lot of clicks then adsense will detected this text and bann you
4.don't tell friends to click on ads
Adsense will banned you if it detect to many clicks from one IP
5.no floating ads
Do not use floating ads or pop up.Adsense don't allow us to use floating ads or pop ups.it will bann your account
6.Do not use bot software
Adsense can view the sorce of traffic to your site.it can early detect the bot
7.one Adsense account fore one user
Adsense only allow one person to use only one Adsense account adsense can detect multiple accounts.thare is no need for multiple accounts 1 account can be used by several gmails.jest add a new admin(gmail Id) in settings
8.no fake traffic
Don't use bot software to add to much fake traffic to blog it will ban your account fore sure
9.don't attract clicks from social media
You can ingress your traffic using social media but don't use groups to get clicks.Adsense can also be in group this will bann your account fore sure
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