How to Implement a Paywall on Your WordPress Site
There are various ways you can monetize your WordPress site – affiliate links, banner advertising, and contextual ads are just some of the ways you can make money from people visiting your site. A paid content model is a less popular option, but one that can work quite well if you publish high quality content and think that people will be willing to pay for it. Rather than hiding all your content away behind a login like a membership site, a paywall blocks individual pieces of content, often allowing a little preview of what’s inside.
Payment for the content can be in the traditional monetary sense, or you can also setup a paywall that requires “payment” in the form of social sharing – more on that later.
What is a Paywall?
If you read online newspapers or visit big media sites, you’re sure to have come across a paywall before. The New York Times website is one example – you can access up to 10 articles a month for free, but after that they’ll be blocked with a large pop-up prompting you to subscribe.
Most paywalls are designed so that you can view a little of the content before the pop-up kicks in or the article is obscured in some other
Source: https://managewp.org/articles/16950/how-to-implement-a-paywall-on-your-wordpress-site
source https://williechiu40.wordpress.com/2018/01/16/how-to-implement-a-paywall-on-your-wordpress-site/