See the secrets below:

1. ​A good website or blog with 100% responsiveness. If you don't have you can contact me here http://naijacrawl.com/contactus. These contributions 100% for your site to be approved by Google.
2. A good site with navigation, which allows your user to work through your site , irrespective of which page they are. These contributions 90% for you site to be approved.
3. Ads Space, these help the ads Networks to see truly that your site has space for them . These contributions 40% for your site to be approved.
4. Content , make sure you have enough content before applying for Google adsense.  These contributions 100% for your site to be approved.
5. Traffic , these is where we all fails it. These contributions 8%, but you needs these to monetize your adsense, so you have to work on these later as time goes on.

​if these help you or you find these guide interesting, drop your though in the comment box.

Also see How to Monetize your WEBSITE/BLOG