ok, this is the meaning of readAll(), I did not understand at first, I though it copied the content and not tranfer it.

And for my project, Do I need only one QNetworkAccessManager for the 9 requests ?

It will be a loop, every 9 minutes, 9 differents rss file, and we loop, does it matter ? and what about connecting ? do I need other things then readyRead() ? (it is in silent mode, no printing advancement ect...)