safe AdSense traffic and clicks:

Many services, such as pay-per-click solutions that connect advertisers and publishers, as well as search engines and directory sites, can help you improve traffic to your site. Despite their look, we've discovered that some of these services really deliver fake traffic to websites. These services frequently deploy click bots or provide people with incentives to visit websites or click on advertising to produce the traffic levels that their customers want.

• The greater the quality and more targeted your traffic, the more likely your visitors will see and click on Google's relevant adverts.
• You can try a few paid traffic sources, such as Facebook, Pinterest, Twitter, YouTube, and others. These sites are well-established, so you shouldn't have any problems with erroneous traffic if you use them.

Read More : How long does Google Adsense take to automatically monetize a Blogspot blog?