Need some help of page width and height for all user

Hi everyone, may i ask for some help…

Is it possible to use coding to control our site width and height, because my site i am not going to use mobile friendly, so become my site will be in small size, and there is lots of empty section i need to force my site become small and show to both mobile and pc user can be same size

To have a responsive site, that fits to different screen sizes, you should use Editor X.

is it possible to convert my site to editor x ?

@sitesmanagementxy No. It’s not possible to convert an exiting site.
If you need full responsiveness, you’ll have to create it from scratch on Editor X