So you checked the headline with a few people who are not in your target audience?
You check understanding with the low domain-intelligence end of your target audience. That could cause confusion whether someone is the target or not.
Just don't mention that you're choosing them based on their lesser intelligence.
Low domain-intelligence - probably bet put as low domain-knowledge - in other words does this make sense to people who don't know the jargon and fashions of web developers.