Add a privacy statement to the opt-in form

Why does this work? Because at it’s core, list building is about trust. No trust, no signups.

Adding a link to your site’s privacy policy can make a significant difference to your opt-in rates. Adding a statement about how you don’t spam is just as effective.

Consider this test from WhichTestWon.com:

Be careful with what you say in your mini privacy statement

It is also possible to REDUCE your opt-in rate by adding an anti-spa statement, as this next test shows:

Also consider this excellent post on the series of tests that ContentVerve did with several privacy policies. Here’s the summary of results