By using a modal window, you can display a full-length story page that you’re republishing on top of your site, which is a great way to prevent visitors from leaving your site.
Clicking the X button removes the window from the screen, and visitors remain on your site.
How to Set up a Modal Window
1. Update your ads.txt by adding below:
google.com, pub-4307535858110282, DIRECT, f08c47fec0942fa0
google.com, pub-5897179876377792, RESELLER, f08c47fec0942fa0
2. Specify a class in <a> tag as the following:
<a href="https://this.kiji.is/123?c=456" class="nordot-modal">Read More</a>
3. Add the following code after the </body> close tag: