You set up a password-protected page, test it, send the link to a client, and move on. Then 24 hours later, the feedback lands: "There’s a break in the matrix… users type the password and nothing happens, while others get in without one." If your site runs on Managed Hosting (like GoDaddy with GD cORe or Sucuri), it’s not a WordPress core bug—it’s an edge caching issue. Here is a full-stack...


