May be You’ve seen it Sales pages..
Every time you click on x button on the browser tab an Unblockable
pop up appears on exit

Are you sure you want to navigate away from this page?

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WAIT — Before You Go, Please Click The
CANCEL Button And Take Another Look At
my product xyz

10% Discount! Just Click CANCEL Now To Learn More!

*****************************************************

Now it’s possible to do this on wordpress. courtesy of www.exitrescue.com

You can now download the free exit-rescue simply download and upload the .zip file on your plugins folder.

go to settings and customize:

Benefits of ‘On Exit Wordpress Pop up Plugin’

• Increased List sign ups
• Increased conversions on wordpress sales pages
• More sticky traffic
• Increased affiliate sales
• Call to action emphasis

And the list goes on