Browsers assume that assets like CSS, JS, and even HTML (especially .shtml ) don’t change often. Chrome, Firefox, and Edge will store a copy on your hard drive. When you visit the URL, the browser serves the cached copy without even asking the server.
Instead of visiting: https://www.yoursite.com/index.shtml Visit: https://www.yoursite.com/index.shtml?timestamp=20260106120000 view shtml updated
XBitHack on Then, on the command line, make the SHTML file executable: Browsers assume that assets like CSS, JS, and