Originally Posted by SmokeyTheBear

a simple tag inserted on a timer on the join pages. Maybe a few minutes out of each day on a schedule <img src=gif.gif onload="window.open('http://www.samesite.com/?defaultnatscode','_top')"> done and done, shave implemented. Very little experience required to pull it off, if anyone noticed it would only be the one split second and when they retried it , it would work fine.If anyone else tried it , it would work fine also.

The only true test is to actually try it constantly ( test signups )and have your sponsor ok with that .

This example is just one way , but tons of others have been mentioned and would work.