i am facing strange issue
when i shift to new hosting site work fast 2-3 sec load time but after 5-8 days site getting slow 10-15 sec load time
and all files and database same if i copy to new domain and sub domain on same server site start working normal load fast.. but not load in main place..
like site name : google.com its work slow and i copy all files and database to new place in same server
new.google.com then its start work fast.
no idea why its happen

admin panel work fast. only site getting slow...
i am also using cloudflare on my site but its not help to fast...
right now site take 10-15 sec to load.