I believe that a multi page app/website would have the data in a database rather than distributed across html files. The server would then populate the html fil

I believe that a multi page app/website would have the data in a database rather than distributed across html files. The server would then populate the html files before serving them up to clients. It sounds like you started by trying to build a static website and then decided you wanted something more dynamic...so shifted to react where you are doing the dynamic data manipulation on the client as opposed to a server..not a like for like comparison