The only 3rd party thing we use is Google Analytics and a Google font, but the site still works fine when users block them.
In our case, readers are likely interested in office design/office furniture products because all we do is publish office design project images and information.
I have an idea I'm hoping to work on in the coming years which aims to move the web back in this direction now that I've had some years of experience doing it.
> So all in all, I don't see much benefit from DNS adblocking
The benefit is as a tack-on for a home network for devices and traffic that doesn't go through a web browser. E.g. for mobile apps connected to the network. But once again, as far as privacy is concerned, that won't block e.g. Facebook SDKs embedded in apps unless you block the relevant domain entirely.
I also tried to go one step further and setup mitm-proxy to man in the middle all of my traffic to see if I could do more invasive but thorough ad filtering. Certificate pinning from the likes of instagram, facebook, apple, and google really stymied this approach. So all in all, I don't see much benefit from DNS adblocking instead of ublock origin.
1 - https://github.com/iamadamdev/bypass-paywalls-chrome