Revert "Revert "urls: only create linked-hash if query is f." (#1513)"
Revert "Revert "urls: only create linked-hash if query is f." (#1513)"

This reverts commit 89d4f511f8b32a4d5928125ec6894856d41ded2e.

AlexIljin/factor,bpollack/factor,factor/factor,bpollack/factor,tgunr/factor,tgunr/factor,bpollack/factor,factor/factor,bpollack/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor,factor/factor,bpollack/factor,mrjbq7/factor,factor/factor,AlexIljin/factor,AlexIljin/factor,mrjbq7/factor,tgunr/factor,tgunr/factor,factor/factor,bpollack/factor,bpollack/factor,factor/factor,AlexIljin/factor,AlexIljin/factor,mrjbq7/factor,mrjbq7/factor,AlexIljin/factor,tgunr/factor,AlexIljin/factor