Need a font? Google fonts? Blocked.
Need a picture? Instagram? Blocked.
Need a video? Youtube? Blocked.
Need a CSS sheet? Use a CDN? Blocked or really slow.
Visiting a text-based website hosted outside of China [from within China] is usually pretty good. No VPN necessary.
CDNs are a Firewall quick-kill, a lazy-kill. If you host a site outside China, that you'd like to be visible within China, self-host anything you'd otherwise think about off-loading to a CDN. That makes the need for a VPN for your audience redundant.