Looking for someone who can make PageSpeed Insights better

Hello,
As you know Google PageSpeed Insights has the new test and make my site poor score from around 90+
We are looking for a PageSpeed Insights maker to do that speed.
We dont’ want to install more plugin and time to first byte to too high.
Thank you.

Company
SIAM LOTTERY COMPANY LIMITED
Job Type
Project
Location
Nakhon Ratchasima
Budget
300 Baht
How to Apply
Via web form