How to send data to a webserver w/o uing the "client.print" command?

Below is a short example of the F() progmem macro.

          client.println(F("<HTML>"));
          client.println(F("<HEAD>"));
          client.println(F("<TITLE>Arduino GET test page</TITLE>"));
          client.println(F("</HEAD>"));
          client.println(F("<BODY>"));

          client.println(F("<H1>Zoomkat's simple Arduino button</H1>"));
          
          client.println(F("<a href='/?on''>ON</a>")); 
          client.println(F("<a href='/?off''>OFF</a>")); 

          client.println(F("</BODY>"));
          client.println(F("</HTML>"));