Ultimate cms is a free and open source PHP website building program that does not require commercial authorization. The call to data output is completely free and open. Webmasters do not need to manually configure pseudo-static, and it also supports configuring custom links in various formats. The webmaster can output any data stored in the database at the front desk. It has its own static data cache. It does not need to update to generate static pages to achieve static access efficiency. Upload image management, cache cleaning, etc. The ultimate cms is convenient for managing server files. It has complete functions and extensions. Convenience is the highlight of the ultimate cms website building system.