If you’re not seeing the level of revenue you expect:
Check the Audience Overview report to see whether you’re getting a volume of traffic that would support your revenue expectations.
Check your page layout to be sure the ad placements are properly situated and sized given your content.
When you link your AdSense and Analytics accounts you can see how well Adsense performing on your website.
How To Link AdSense and Analytics accounts
1. Firstly login your Google Analytics account and click on Admin option on the top.
2. Now choose your property which you want to link with Adsense account after that go to Product Linking click on Adsense Linking.
3. Select AdSense for content and click on continue after that select all website data of property which you link with AdSense and click on Enable link.
4. Now you are done your property link with AdSense this process may take 24 hours.