program where mailing list pops up on landing on the homepage

[Guest]

I have noticed a few websites popping their mailing lists as soon as you
enter the homepage, is there a particulat script that they use via cpanel or
website complete that does this?

 

[Travis Newbury]

I have noticed a few websites popping their mailing lists as soon as you
enter the homepage, is there a particulat script that they use via cpanel or
website complete that does this?

Who knows for sure without an example URL.