>I have been using ADO to connect web apps to my VFP database since a few years. I guess that web services are a best way to do the same. Is this correct?.

No, not exactly.

Web Services are web pages that return data, not a web page. That means, that instead of getting some HTML which is only useful to a Web Browser application, your web page returns just data, either raw, or in XML that any application can call and use programmtically using HTTP.

If you need HTML apps, just keep doing what you're doing.