Web pages and advertising on the web only work one way: you have to know what you want before you see web pages and adverts for it.
This problem is maybe the biggest elephant in the room with regard to the web.
If you don’t know something exists, you won’t search for it and you won’t see adverts or web pages for it.
It could be the biggest thing since sliced bread but you’re blissfully unaware of it.
There’s no easy answer that I’m aware of but let’s at least examine the problem: