✨ improve load speed

[joocer]

trafficstars

Benchmarks show the first query usually takes about a second, this is probably because of IPL activity. Find ways to minimise this without significantly affecting individual query speed.

[joocer]

See https://dev.to/methane/how-to-speed-up-python-application-startup-time-nkf

This may be a way to measure and identify slow components

[joocer]

moved conditional imports to closer to where they are needed and out of the start-up space