I would also pay for it for nothing extra at all. Give paying members a special icon on the MDN discourse or something. Maybe a "Sponsored By" page you can get

I would also pay for it for nothing extra at all. Give paying members a special icon on the MDN discourse or something. Maybe a "Sponsored By" page you can get your name on if you want it there. I pay for non-profit news that is free to all, I pay for some apps that have basically identical free versions. Please take my money! Offering a free product doesn't mean you're not allowed to ask for support.