Project loading time

*it is intended for mobile and pc.
Hello, i developed a POC for my company in meteor and also used 2 meteor project examples (meteor-ionic components and a meteor formal example with a sign in page).
Debugging in localhost loads the tmpl,js and css files really quick though it comes to 15-20MB(All projects) in the pc.
When i started using our staging and executed “meteor” command on our stage our projects loads quick on mobile and really slow on pc!
For example: 9MB in pc takes 11s and 700KB on mobile takes 1.4s.
The stats are for first load or after clearing cache.
Why is there such a difference between mobile and pc versions (in size especially)?
Maybe i should use deploy , but i need a specific folder in our staging server.