Thousands of websites are quietly fighting ad blocking
 

Websites aren't always conspicuous in their attempts to combat ad blockers. Researchers from the University of Iowa and UC Riverside have learned that 30.5 percent of the top 10,000 websites have measures to thwart ad blocking, and they're frequentl...

https://www.engadget.com/2017/12/28/...t-ad-blocking/