This is a game-changer for caching efficiency. With SSILastModified On , browsers and proxy caches receive accurate timing information. When a user revisits the page, their browser sends an If-Modified-Since header with the cached timestamp. The server compares this with the new composite timestamp:
When you update a shared file (e.g., header.html ), the changes should instantly reflect across all .shtml pages referencing it. If they do not, the old version is likely cached.
: Updating a single included file (e.g., header.shtml ) instantly updates every page on the site that references it. view shtml updated
Here is the standard code snippet used inside an .shtml file:
Are you receiving a on the page right now? Share public link
The client-side fixes are great for you, but they don't solve the problem for your website's visitors. To guarantee that all users see your latest updates, you need to implement solutions on the server side. This is a game-changer for caching efficiency
Could you please clarify:
<FilesMatch "\.shtml$"> Header set Cache-Control "no-cache, no-store, must-revalidate" Header set Pragma "no-cache" Header set Expires 0 </FilesMatch> Are you receiving a on the page right now
To view updated SHTML content, the file must be processed by a web server supporting Server-Side Includes (SSI) and viewed through a browser. Opening the file locally often results in unrendered code, whereas a server renders dynamic includes and displays the final, updated HTML. For a detailed explanation, visit