> Censors tend to leave content delivery networks alone because their servers host many different sites, most of which they don’t want to block, says Houmansadr

> Censors tend to leave content delivery networks alone because their servers host many different sites, most of which they don’t want to block, says Houmansadr. That has changed since last year. Many CDNs are now indeed blocked, or at least interfered with by the GFW within China.