The content.htm should never be edited offline in an editor, because the assignment of the page data, that is stored in the pagedata.php, maybe will be destroyed.
Maybe, that hidden pages are visible, and visible pages are hidden, after editing one of both files manually.
If you want to work offline, you should install a server environment on your PC, such as Xampp. With this server environment, you are able to operate a reflection of your CMSimple installation on your PC.
Please note, that by data transfer between your PC and the Internet server always both files (content.htm and pagedata.php) have to be transfered together.
CMSimple is ready for php 8.5
System Requirements »
2026-08-11
Measures against server-side manipulation of the QUERY_STRING; an update is recommended.
Test CMSimple easily, offline on your PC using USBWebserver.
CMSimple Basic is similar in scope to CMSimple 3.4 from 2012, but features a more modern design and functionality.
Responsive templates are suitable for all visual output devices, from smartphones up to HD screen.
Test the responsive templates of ge-webdesign.de:
With plugins you can extend the functionality of CMSimple. There are Blogs, Comments, Photo Galleries, MultiMedia, MembersArea and much more.
Here you can find demos for most of the available plugins:
This is the place for banners and links to sponsors of CMSimple or any kind of advertising.
Become a CMSimple Sponsor »
You also can support CMSimple by donation: