SiteSupra is built on a unique modular architecture that allows maintaining content-rich, multi-purpose web systems. The core of the system is SiteSupra Engine is encrypted PHP code that acts as an application server, renders pages for the Public Site (front-end) and provides SiteSupra Visual Content Management Environment for the Edit Site (back-end). SiteSupra Engine functionality could be extended with the Modules, which could be both encrypted and open PHP code.

Page-related features as navigation or content are delivered with the Blocks, open custom PHP code, which could be contributed by any web developer. The blocks output is delivered to website with Page Templates that allow controlling multiple pages from a single source. The Page Templates could deploy External or Internal HTML Layout.